typealias JSON = [String: Any]

enum ParsingError: Error {
    case invalidInput
    case internalError(Error)
}

func parse(string: String) throws -> JSON {
    guard let data = string.data(using: .utf8) else {
        throw ParsingError.invalidInput
    }
    
    do {
        if let json = try JSONSerialization.jsonObject(with: data, options: []) as? JSON {
            return json
        }
    } catch let error {
        throw ParsingError.internalError(error)
    }
    
    throw ParsingError.internalError(NSError(domain: "", code: -1, userInfo: nil))
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
JSON parser, returns custom error type in case of failures.
### Response:
```swift
typealias JSON = [String: Any]

enum ParsingError: Error {
    case invalidInput
    case internalError(Error)
}

func parse(string: String) throws -> JSON {
    guard let data = string.data(using: .utf8) else {
        throw ParsingError.invalidInput
    }
    
    do {
        if let json = try JSONSerialization.jsonObject(with: data, options: []) as? JSON {
            return json
        }
    } catch let error {
        throw ParsingError.internalError(error)
    }
    
    throw ParsingError.internalError(NSError(domain: "", code: -1, userInfo: nil))
}
```

typealias JSON = [String: Any]

enum ParsingError: Error {
    case invalidInput
    case internalError(Error)
}

func parse(string: String) throws -> JSON {
    guard let data = string.data(using: .utf8) else {
        throw ParsingError.invalidInput
    }
    
    do {
        if let json = try JSONSerialization.jsonObject(with: data, options: []) as? JSON {
            return json
        }
    } catch let error {
        throw ParsingError.internalError(error)
    }
    
    throw ParsingError.internalError(NSError(domain: "", code: -1, userInfo: nil))
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
JSON parser, returns custom error type in case of failures.
### Response:
```swift
typealias JSON = [String: Any]

enum ParsingError: Error {
    case invalidInput
    case internalError(Error)
}

func parse(string: String) throws -> JSON {
    guard let data = string.data(using: .utf8) else {
        throw ParsingError.invalidInput
    }
    
    do {
        if let json = try JSONSerialization.jsonObject(with: data, options: []) as? JSON {
            return json
        }
    } catch let error {
        throw ParsingError.internalError(error)
    }
    
    throw ParsingError.internalError(NSError(domain: "", code: -1, userInfo: nil))
}
```

typealias JSON = [String: Any]

enum ParsingError: Error {
    case invalidInput
    case internalError(Error)
}

func parse(string: String) throws -> JSON {
    guard let data = string.data(using: .utf8) else {
        throw ParsingError.invalidInput
    }
    
    do {
        if let json = try JSONSerialization.jsonObject(with: data, options: []) as? JSON {
            return json
        }
    } catch let error {
        throw ParsingError.internalError(error)
    }
    
    throw ParsingError.internalError(NSError(domain: "", code: -1, userInfo: nil))
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
JSON parser, returns custom error type in case of failures.
### Response:
```swift
typealias JSON = [String: Any]

enum ParsingError: Error {
    case invalidInput
    case internalError(Error)
}

func parse(string: String) throws -> JSON {
    guard let data = string.data(using: .utf8) else {
        throw ParsingError.invalidInput
    }
    
    do {
        if let json = try JSONSerialization.jsonObject(with: data, options: []) as? JSON {
            return json
        }
    } catch let error {
        throw ParsingError.internalError(error)
    }
    
    throw ParsingError.internalError(NSError(domain: "", code: -1, userInfo: nil))
}
```

typealias JSON = [String: Any]

enum ParsingError: Error {
    case invalidInput
    case internalError(Error)
}

func parse(string: String) throws -> JSON {
    guard let data = string.data(using: .utf8) else {
        throw ParsingError.invalidInput
    }
    
    do {
        if let json = try JSONSerialization.jsonObject(with: data, options: []) as? JSON {
            return json
        } else {
            throw ParsingError.invalidInput
        }
    } catch let error {
        throw ParsingError.internalError(error)
    }
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
JSON parser, returns custom error type in case of failures.
### Response:
```swift
typealias JSON = [String: Any]

enum ParsingError: Error {
    case invalidInput
    case internalError(Error)
}

func parse(string: String) throws -> JSON {
    guard let data = string.data(using: .utf8) else {
        throw ParsingError.invalidInput
    }
    
    do {
        if let json = try JSONSerialization.jsonObject(with: data, options: []) as? JSON {
            return json
        } else {
            throw ParsingError.invalidInput
        }
    } catch let error {
        throw ParsingError.internalError(error)
    }
}
```

typealias JSON = [String: Any]

enum ParsingError: Error {
    case invalidInput
    case internalError(Error)
}

func parse(string: String) throws -> JSON {
    guard let data = string.data(using: .utf8) else {
        throw ParsingError.invalidInput
    }
    
    do {
        if let json = try JSONSerialization.jsonObject(with: data, options: []) as? JSON {
            return json
        }
    } catch let error {
        throw ParsingError.internalError(error)
    }
    
    throw ParsingError.internalError(NSError(domain: "", code: -1, userInfo: nil))
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
JSON parser, returns custom error type in case of failures.
### Response:
```swift
typealias JSON = [String: Any]

enum ParsingError: Error {
    case invalidInput
    case internalError(Error)
}

func parse(string: String) throws -> JSON {
    guard let data = string.data(using: .utf8) else {
        throw ParsingError.invalidInput
    }
    
    do {
        if let json = try JSONSerialization.jsonObject(with: data, options: []) as? JSON {
            return json
        }
    } catch let error {
        throw ParsingError.internalError(error)
    }
    
    throw ParsingError.internalError(NSError(domain: "", code: -1, userInfo: nil))
}
```

typealias JSON = [String: Any]

enum ParsingError: Error {
    case invalidInput
    case internalError(Error)
}

func parse(string: String) throws -> JSON {
    guard let data = string.data(using: .utf8) else {
        throw ParsingError.invalidInput
    }
    
    do {
        if let json = try JSONSerialization.jsonObject(with: data, options: []) as? JSON {
            return json
        }
    } catch let error {
        throw ParsingError.internalError(error)
    }
    
    throw ParsingError.internalError(NSError(domain: "", code: -1, userInfo: nil))
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
JSON parser, returns custom error type in case of failures.
### Response:
```swift
typealias JSON = [String: Any]

enum ParsingError: Error {
    case invalidInput
    case internalError(Error)
}

func parse(string: String) throws -> JSON {
    guard let data = string.data(using: .utf8) else {
        throw ParsingError.invalidInput
    }
    
    do {
        if let json = try JSONSerialization.jsonObject(with: data, options: []) as? JSON {
            return json
        }
    } catch let error {
        throw ParsingError.internalError(error)
    }
    
    throw ParsingError.internalError(NSError(domain: "", code: -1, userInfo: nil))
}
```

typealias JSON = [String: Any]

enum ParsingError: Error {
    case invalidInput
    case internalError(Error)
}

func parse(string: String) throws -> JSON {
    guard let data = string.data(using: .utf8) else {
        throw ParsingError.invalidInput
    }
    
    do {
        if let json = try JSONSerialization.jsonObject(with: data, options: []) as? JSON {
            return json
        }
    } catch let error {
        throw ParsingError.internalError(error)
    }
    
    throw ParsingError.internalError(NSError(domain: "", code: 0, userInfo: [NSLocalizedDescriptionKey: "Failed to parse JSON"]))
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
JSON parser, returns custom error type in case of failures.
### Response:
```swift
typealias JSON = [String: Any]

enum ParsingError: Error {
    case invalidInput
    case internalError(Error)
}

func parse(string: String) throws -> JSON {
    guard let data = string.data(using: .utf8) else {
        throw ParsingError.invalidInput
    }
    
    do {
        if let json = try JSONSerialization.jsonObject(with: data, options: []) as? JSON {
            return json
        }
    } catch let error {
        throw ParsingError.internalError(error)
    }
    
    throw ParsingError.internalError(NSError(domain: "", code: 0, userInfo: [NSLocalizedDescriptionKey: "Failed to parse JSON"]))
}
```

typealias JSON = [String: Any]

enum ParsingError: Error {
    case invalidInput
    case internalError(Error)
}

func parse(string: String) throws -> JSON {
    guard let data = string.data(using: .utf8) else {
        throw ParsingError.invalidInput
    }
    
    do {
        if let json = try JSONSerialization.jsonObject(with: data, options: []) as? JSON {
            return json
        }
    } catch let error {
        throw ParsingError.internalError(error)
    }
    
    throw ParsingError.internalError(NSError(domain: "", code: 0, userInfo: [NSLocalizedDescriptionKey: "Unknown error"]))
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
JSON parser, returns custom error type in case of failures.
### Response:
```swift
typealias JSON = [String: Any]

enum ParsingError: Error {
    case invalidInput
    case internalError(Error)
}

func parse(string: String) throws -> JSON {
    guard let data = string.data(using: .utf8) else {
        throw ParsingError.invalidInput
    }
    
    do {
        if let json = try JSONSerialization.jsonObject(with: data, options: []) as? JSON {
            return json
        }
    } catch let error {
        throw ParsingError.internalError(error)
    }
    
    throw ParsingError.internalError(NSError(domain: "", code: 0, userInfo: [NSLocalizedDescriptionKey: "Unknown error"]))
}
```

typealias JSON = [String: Any]

enum ParsingError: Error {
    case invalidInput
    case internalError(Error)
}

func parse(string: String) throws -> JSON {
    guard let data = string.data(using: .utf8) else {
        throw ParsingError.invalidInput
    }
    
    do {
        if let json = try JSONSerialization.jsonObject(with: data, options: []) as? JSON {
            return json
        } else {
            throw ParsingError.invalidInput
        }
    } catch let error {
        throw ParsingError.internalError(error)
    }
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
JSON parser, returns custom error type in case of failures.
### Response:
```swift
typealias JSON = [String: Any]

enum ParsingError: Error {
    case invalidInput
    case internalError(Error)
}

func parse(string: String) throws -> JSON {
    guard let data = string.data(using: .utf8) else {
        throw ParsingError.invalidInput
    }
    
    do {
        if let json = try JSONSerialization.jsonObject(with: data, options: []) as? JSON {
            return json
        } else {
            throw ParsingError.invalidInput
        }
    } catch let error {
        throw ParsingError.internalError(error)
    }
}
```

typealias JSON = [String: Any]

enum ParsingError: Error {
    case invalidInput
    case internalError(Error)
}

func parse(string: String) throws -> JSON {
    guard let data = string.data(using: .utf8) else {
        throw ParsingError.invalidInput
    }
    
    do {
        if let json = try JSONSerialization.jsonObject(with: data, options: []) as? JSON {
            return json
        } else {
            throw ParsingError.invalidInput
        }
    } catch let error {
        throw ParsingError.internalError(error)
    }
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
JSON parser, returns custom error type in case of failures.
### Response:
```swift
typealias JSON = [String: Any]

enum ParsingError: Error {
    case invalidInput
    case internalError(Error)
}

func parse(string: String) throws -> JSON {
    guard let data = string.data(using: .utf8) else {
        throw ParsingError.invalidInput
    }
    
    do {
        if let json = try JSONSerialization.jsonObject(with: data, options: []) as? JSON {
            return json
        } else {
            throw ParsingError.invalidInput
        }
    } catch let error {
        throw ParsingError.internalError(error)
    }
}
```

indirect enum HTMLNode {
    case text(_ content: String)
    case element(_ name: String, attributes: [String : String] = [:], children: [Self] = [])
}

func generate(_ tree: HTMLNode) -> String {
    switch tree {
    case .text(let content):
        return content
    case .element(let name, let attributes, let children):
        var attrs = ""
        for (key, value) in attributes {
            attrs += " \(key)=\"\(value)\""
        }
        let childStrings = children.map { generate($0) }
        let childrenString = childStrings.joined(separator: "")
        return "<\(name)\(attrs)>\(childrenString)</\(name)>"
    }
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
HTML generator from predefined elements tree.
Output with standart HTML like this "<div><a href="swifteval"></a></div>"
### Response:
```swift
indirect enum HTMLNode {
    case text(_ content: String)
    case element(_ name: String, attributes: [String : String] = [:], children: [Self] = [])
}

func generate(_ tree: HTMLNode) -> String {
    switch tree {
    case .text(let content):
        return content
    case .element(let name, let attributes, let children):
        var attrs = ""
        for (key, value) in attributes {
            attrs += " \(key)=\"\(value)\""
        }
        let childStrings = children.map { generate($0) }
        let childrenString = childStrings.joined(separator: "")
        return "<\(name)\(attrs)>\(childrenString)</\(name)>"
    }
}

let tree = HTMLNode.element("div", children: [
    HTMLNode.element("a", attributes: ["href": "swifteval"], children: [
        HTMLNode.text("SwiftEval")
    ])
])

print(generate(tree))
```

indirect enum HTMLNode {
    case text(_ content: String)
    case element(_ name: String, attributes: [String : String] = [:], children: [Self] = [])
}

func generate(_ tree: HTMLNode) -> String {
    switch tree {
    case .text(let content):
        return content
    case .element(let name, let attributes, let children):
        var attrs = ""
        for (key, value) in attributes {
            attrs += " \(key)=\"\(value)\""
        }
        var childs = ""
        for child in children {
            childs += generate(child)
        }
        return "<\(name)\(attrs)>\(childs)</\(name)>"
    }
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
HTML generator from predefined elements tree.
Output with standart HTML like this "<div><a href="swifteval"></a></div>"
### Response:
```swift
indirect enum HTMLNode {
    case text(_ content: String)
    case element(_ name: String, attributes: [String : String] = [:], children: [Self] = [])
}

func generate(_ tree: HTMLNode) -> String {
    switch tree {
    case .text(let content):
        return content
    case .element(let name, let attributes, let children):
        var attrs = ""
        for (key, value) in attributes {
            attrs += " \(key)=\"\(value)\""
        }
        var childs = ""
        for child in children {
            childs += generate(child)
        }
        return "<\(name)\(attrs)>\(childs)</\(name)>"
    }
}

let tree = HTMLNode.element("div", children: [
    HTMLNode.element("a", attributes: ["href": "swifteval"])
])

print(generate(tree))
```

indirect enum HTMLNode {
    case text(_ content: String)
    case element(_ name: String, attributes: [String : String] = [:], children: [Self] = [])
}

func generate(_ tree: HTMLNode) -> String {
    switch tree {
    case .text(let content):
        return content
    case .element(let name, let attributes, let children):
        var attrs = ""
        for (key, value) in attributes {
            attrs += " \(key)=\"\(value)\""
        }
        var childs = ""
        for child in children {
            childs += generate(child)
        }
        return "<\(name)\(attrs)>\(childs)</\(name)>"
    }
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
HTML generator from predefined elements tree.
Output with standart HTML like this "<div><a href="swifteval"></a></div>"
### Response:
```swift
indirect enum HTMLNode {
    case text(_ content: String)
    case element(_ name: String, attributes: [String : String] = [:], children: [Self] = [])
}

func generate(_ tree: HTMLNode) -> String {
    switch tree {
    case .text(let content):
        return content
    case .element(let name, let attributes, let children):
        var attrs = ""
        for (key, value) in attributes {
            attrs += " \(key)=\"\(value)\""
        }
        var childs = ""
        for child in children {
            childs += generate(child)
        }
        return "<\(name)\(attrs)>\(childs)</\(name)>"
    }
}

let tree = HTMLNode.element("div", children: [
    HTMLNode.element("a", attributes: ["href": "swifteval"])
])

print(generate(tree))
```

indirect enum HTMLNode {
    case text(_ content: String)
    case element(_ name: String, attributes: [String : String] = [:], children: [Self] = [])
}

func generate(_ tree: HTMLNode) -> String {
    switch tree {
    case .text(let content):
        return content
    case .element(let name, let attributes, let children):
        var attrs = ""
        for (key, value) in attributes {
            attrs += " \(key)=\"\(value)\""
        }
        let childs = children.map { generate($0) }.joined(separator: "")
        return "<\(name)\(attrs)>\(childs)</\(name)>"
    }
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
HTML generator from predefined elements tree.
Output with standart HTML like this "<div><a href="swifteval"></a></div>"
### Response:
```swift
indirect enum HTMLNode {
    case text(_ content: String)
    case element(_ name: String, attributes: [String : String] = [:], children: [Self] = [])
}

func generate(_ tree: HTMLNode) -> String {
    switch tree {
    case .text(let content):
        return content
    case .element(let name, let attributes, let children):
        var attrs = ""
        for (key, value) in attributes {
            attrs += " \(key)=\"\(value)\""
        }
        let childs = children.map { generate($0) }.joined(separator: "")
        return "<\(name)\(attrs)>\(childs)</\(name)>"
    }
}

let tree = HTMLNode.element("div", children: [
    HTMLNode.element("a", attributes: ["href": "swifteval"])
])

print(generate(tree))
```

indirect enum HTMLNode {
    case text(_ content: String)
    case element(_ name: String, attributes: [String : String] = [:], children: [Self] = [])
}

func generate(_ tree: HTMLNode) -> String {
    switch tree {
    case .text(let content):
        return content
    case .element(let name, let attributes, let children):
        var attributesString = ""
        for (key, value) in attributes {
            attributesString += " \(key)=\"\(value)\""
        }
        var childrenString = ""
        for child in children {
            childrenString += generate(child)
        }
        return "<\(name)\(attributesString)>\(childrenString)</\(name)>"
    }
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
HTML generator from predefined elements tree.
Output with standart HTML like this "<div><a href="swifteval"></a></div>"
### Response:
```swift
indirect enum HTMLNode {
    case text(_ content: String)
    case element(_ name: String, attributes: [String : String] = [:], children: [Self] = [])
}

func generate(_ tree: HTMLNode) -> String {
    switch tree {
    case .text(let content):
        return content
    case .element(let name, let attributes, let children):
        var attributesString = ""
        for (key, value) in attributes {
            attributesString += " \(key)=\"\(value)\""
        }
        var childrenString = ""
        for child in children {
            childrenString += generate(child)
        }
        return "<\(name)\(attributesString)>\(childrenString)</\(name)>"
    }
}

let tree = HTMLNode.element("div", children: [
    HTMLNode.element("a", attributes: ["href": "swifteval"], children: [
        HTMLNode.text("SwiftEval")
    ])
])

print(generate(tree))
```

indirect enum HTMLNode {
    case text(_ content: String)
    case element(_ name: String, attributes: [String : String] = [:], children: [Self] = [])
}

func generate(_ tree: HTMLNode) -> String {
    switch tree {
    case .text(let content):
        return content
    case .element(let name, let attributes, let children):
        var attributesString = ""
        for (key, value) in attributes {
            attributesString += " \(key)=\"\(value)\""
        }
        let childrenString = children.map { generate($0) }.joined(separator: "")
        return "<\(name)\(attributesString)>\(childrenString)</\(name)>"
    }
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
HTML generator from predefined elements tree.
Output with standart HTML like this "<div><a href="swifteval"></a></div>"
### Response:
```swift
indirect enum HTMLNode {
    case text(_ content: String)
    case element(_ name: String, attributes: [String : String] = [:], children: [Self] = [])
}

func generate(_ tree: HTMLNode) -> String {
    switch tree {
    case .text(let content):
        return content
    case .element(let name, let attributes, let children):
        var attributesString = ""
        for (key, value) in attributes {
            attributesString += " \(key)=\"\(value)\""
        }
        let childrenString = children.map { generate($0) }.joined(separator: "")
        return "<\(name)\(attributesString)>\(childrenString)</\(name)>"
    }
}

let tree = HTMLNode.element("div", children: [
    HTMLNode.element("a", attributes: ["href": "swifteval"])
])

print(generate(tree))
```

indirect enum HTMLNode {
    case text(_ content: String)
    case element(_ name: String, attributes: [String : String] = [:], children: [Self] = [])
}

func generate(_ tree: HTMLNode) -> String {
    switch tree {
    case .text(let content):
        return content
    case .element(let name, let attributes, let children):
        var attrs = ""
        for (key, value) in attributes {
            attrs += " \(key)=\"\(value)\""
        }
        var childs = ""
        for child in children {
            childs += generate(child)
        }
        return "<\(name)\(attrs)>\(childs)</\(name)>"
    }
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
HTML generator from predefined elements tree.
Output with standart HTML like this "<div><a href="swifteval"></a></div>"
### Response:
```swift
indirect enum HTMLNode {
    case text(_ content: String)
    case element(_ name: String, attributes: [String : String] = [:], children: [Self] = [])
}

func generate(_ tree: HTMLNode) -> String {
    switch tree {
    case .text(let content):
        return content
    case .element(let name, let attributes, let children):
        var attrs = ""
        for (key, value) in attributes {
            attrs += " \(key)=\"\(value)\""
        }
        var childs = ""
        for child in children {
            childs += generate(child)
        }
        return "<\(name)\(attrs)>\(childs)</\(name)>"
    }
}

let tree = HTMLNode.element("div", children: [
    HTMLNode.element("a", attributes: ["href": "swifteval"])
])

print(generate(tree))
```

indirect enum HTMLNode {
    case text(_ content: String)
    case element(_ name: String, attributes: [String : String] = [:], children: [Self] = [])
}

func generate(_ tree: HTMLNode) -> String {
    switch tree {
    case .text(let content):
        return content
    case .element(let name, let attributes, let children):
        var attributesString = ""
        for (key, value) in attributes {
            attributesString += " \(key)=\"\(value)\""
        }
        let childrenString = children.map { generate($0) }.joined(separator: "")
        return "<\(name)\(attributesString)>\(childrenString)</\(name)>"
    }
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
HTML generator from predefined elements tree.
Output with standart HTML like this "<div><a href="swifteval"></a></div>"
### Response:
```swift
indirect enum HTMLNode {
    case text(_ content: String)
    case element(_ name: String, attributes: [String : String] = [:], children: [Self] = [])
}

func generate(_ tree: HTMLNode) -> String {
    switch tree {
    case .text(let content):
        return content
    case .element(let name, let attributes, let children):
        var attributesString = ""
        for (key, value) in attributes {
            attributesString += " \(key)=\"\(value)\""
        }
        let childrenString = children.map { generate($0) }.joined(separator: "")
        return "<\(name)\(attributesString)>\(childrenString)</\(name)>"
    }
}

let tree = HTMLNode.element("div", children: [
    HTMLNode.element("a", attributes: ["href": "swifteval"])
])

print(generate(tree))
```

indirect enum HTMLNode {
    case text(_ content: String)
    case element(_ name: String, attributes: [String : String] = [:], children: [Self] = [])
}

func generate(_ tree: HTMLNode) -> String {
    switch tree {
    case .text(let content):
        return content
    case .element(let name, let attributes, let children):
        var attrs = ""
        for (key, value) in attributes {
            attrs += " \(key)=\"\(value)\""
        }
        let childStrings = children.map { generate($0) }
        return "<\(name)\(attrs)>\(childStrings.joined(separator: ""))</\(name)>"
    }
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
HTML generator from predefined elements tree.
Output with standart HTML like this "<div><a href="swifteval"></a></div>"
### Response:
```swift
indirect enum HTMLNode {
    case text(_ content: String)
    case element(_ name: String, attributes: [String : String] = [:], children: [Self] = [])
}

func generate(_ tree: HTMLNode) -> String {
    switch tree {
    case .text(let content):
        return content
    case .element(let name, let attributes, let children):
        var attrs = ""
        for (key, value) in attributes {
            attrs += " \(key)=\"\(value)\""
        }
        let childStrings = children.map { generate($0) }
        return "<\(name)\(attrs)>\(childStrings.joined(separator: ""))</\(name)>"
    }
}
```

indirect enum HTMLNode {
    case text(_ content: String)
    case element(_ name: String, attributes: [String : String] = [:], children: [Self] = [])
}

func generate(_ tree: HTMLNode) -> String {
    switch tree {
    case .text(let content):
        return content
    case .element(let name, let attributes, let children):
        var attrs = ""
        for (key, value) in attributes {
            attrs += " \(key)=\"\(value)\""
        }
        let childStrings = children.map { generate($0) }
        let childrenString = childStrings.joined(separator: "")
        return "<\(name)\(attrs)>\(childrenString)</\(name)>"
    }
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
HTML generator from predefined elements tree.
Output with standart HTML like this "<div><a href="swifteval"></a></div>"
### Response:
```swift
indirect enum HTMLNode {
    case text(_ content: String)
    case element(_ name: String, attributes: [String : String] = [:], children: [Self] = [])
}

func generate(_ tree: HTMLNode) -> String {
    switch tree {
    case .text(let content):
        return content
    case .element(let name, let attributes, let children):
        var attrs = ""
        for (key, value) in attributes {
            attrs += " \(key)=\"\(value)\""
        }
        let childStrings = children.map { generate($0) }
        let childrenString = childStrings.joined(separator: "")
        return "<\(name)\(attrs)>\(childrenString)</\(name)>"
    }
}

let tree = HTMLNode.element("div", children: [
    HTMLNode.element("a", attributes: ["href": "swifteval"], children: [
        HTMLNode.text("Swift Eval")
    ])
])

print(generate(tree))
```

enum CalculateError: Error {
    case invalidInput
}

func calculate(_ string: String) throws -> Double {
    let tokens = string.map { String($0) }
    return try calculateTokens(tokens)
}

private func calculateTokens(_ tokens: [String]) throws -> Double {
    var stack: [Double] = []
    var operators: [String] = []
    
    func performOperation(_ operator: String) throws {
        let rhs = stack.removeLast()
        let lhs = stack.removeLast()
        switch operator {
        case "+":
            stack.append(lhs + rhs)
        case "-":
            stack.append(lhs - rhs)
        case "*":
            stack.append(lhs * rhs)
        case "/":
            if rhs == 0 {
                throw CalculateError.invalidInput
            }
            stack.append(lhs / rhs)
        default:
            throw CalculateError.invalidInput
        }
    }
    
    func shouldPerformOperation(_ operator: String) -> Bool {
        guard let lastOperator = operators.last else { return false }
        if lastOperator == "*" || lastOperator == "/" {
            return true
        }
        if operator == "+" || operator == "-" {
            return true
        }
        return false
    }
    
    for token in tokens {
        if let number = Double(token) {
            stack.append(number)
            if let operator = operators.last, shouldPerformOperation(operator) {
                performOperation(operator)
                operators.removeLast()
            }
        } else if let operator = token {
            operators.append(operator)
            if shouldPerformOperation(operator) {
                performOperation(operator)
                operators.removeLast()
            }
        } else {
            throw CalculateError.invalidInput
        }
    }
    
    while !operators.isEmpty {
        performOperation(operators.removeLast())
    }
    
    guard stack.count == 1 else {
        throw CalculateError.invalidInput
    }
    
    return stack[0]
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Calculator which supports operations from readable string format.
Valid tokens is "+-*/()", example input is "2+2*2".
### Response:
```swift
enum CalculateError: Error {
    case invalidInput
}

func calculate(_ string: String) throws -> Double {
    let tokens = string.map { String($0) }
    return try calculateTokens(tokens)
}

private func calculateTokens(_ tokens: [String]) throws -> Double {
    var stack: [Double] = []
    var operators: [String] = []
    
    func performOperation(_ operator: String) throws {
        let rhs = stack.removeLast()
        let lhs = stack.removeLast()
        switch operator {
        case "+":
            stack.append(lhs + rhs)
        case "-":
            stack.append(lhs - rhs)
        case "*":
            stack.append(lhs * rhs)
        case "/":
            if rhs == 0 {
                throw CalculateError.invalidInput
            }
            stack.append(lhs / rhs)
        default:
            throw CalculateError.invalidInput
        }
    }
    
    func shouldPerformOperation(_ operator: String) -> Bool {
        guard let lastOperator = operators.last else { return false }
        if lastOperator == "*" || lastOperator == "/" {
            return true
        }
        if operator == "+" || operator == "-" {
            return true
        }
        return false
    }
    
    for token in tokens {
        if let number = Double(token) {
            stack.append(number)
            if let operator = operators.last, shouldPerformOperation(operator) {
                performOperation(operator)
                operators.removeLast()
            }
        } else if let operator = token {
            operators.append(operator)
            if shouldPerformOperation(operator) {
                performOperation(operator)
                operators.removeLast()
            }
        } else {
            throw CalculateError.invalidInput
        }
    }
    
    while !operators.isEmpty {
        performOperation(operators.removeLast())
    }
    
    guard stack.count == 1 else {
        throw CalculateError.invalidInput
    }
    
    return stack[0]
}
```

enum CalculateError: Error {
    case invalidInput
}

func calculate(_ string: String) throws -> Double {
    var result: Double = 0
    var operation: (Double, Double) -> Double = { _, _ in fatalError("Invalid operation") }
    var number: Double = 0
    var parenthesesCount: Int = 0
    var operationToken: Character = "+"
    
    func calculateOperation() {
        result = operation(result, number)
        number = 0
    }
    
    for char in string {
        switch char {
        case "0"..."9":
            if parenthesesCount > 0 { throw CalculateError.invalidInput }
            number = number * 10 + Double(String(char)) ?? 0
        case "+", "-", "*", "/":
            if parenthesesCount > 0 { throw CalculateError.invalidInput }
            calculateOperation()
            operationToken = char
            operation = { $0, $1 in
                switch operationToken {
                case "+": return $0 + $1
                case "-": return $0 - $1
                case "*": return $0 * $1
                case "/": return $0 / $1
                default: fatalError("Invalid operation")
                }
            }
        case "(":
            if parenthesesCount > 0 { throw CalculateError.invalidInput }
            parenthesesCount += 1
            calculateOperation()
        case ")":
            if parenthesesCount == 0 { throw CalculateError.invalidInput }
            parenthesesCount -= 1
            calculateOperation()
        default:
            throw CalculateError.invalidInput
        }
    }
    
    if parenthesesCount != 0 { throw CalculateError.invalidInput }
    calculateOperation()
    
    return result
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Calculator which supports operations from readable string format.
Valid tokens is "+-*/()", example input is "2+2*2".
### Response:
```swift
enum CalculateError: Error {
    case invalidInput
}

func calculate(_ string: String) throws -> Double {
    var result: Double = 0
    var operation: (Double, Double) -> Double = { _, _ in fatalError("Invalid operation") }
    var number: Double = 0
    var parenthesesCount: Int = 0
    var operationToken: Character = "+"
    
    func calculateOperation() {
        result = operation(result, number)
        number = 0
    }
    
    for char in string {
        switch char {
        case "0"..."9":
            if parenthesesCount > 0 { throw CalculateError.invalidInput }
            number = number * 10 + Double(String(char)) ?? 0
        case "+", "-", "*", "/":
            if parenthesesCount > 0 { throw CalculateError.invalidInput }
            calculateOperation()
            operationToken = char
            operation = { $0, $1 in
                switch operationToken {
                case "+": return $0 + $1
                case "-": return $0 - $1
                case "*": return $0 * $1
                case "/": return $0 / $1
                default: fatalError("Invalid operation")
                }
            }
        case "(":
            if parenthesesCount > 0 { throw CalculateError.invalidInput }
            parenthesesCount += 1
            calculateOperation()
        case ")":
            if parenthesesCount == 0 { throw CalculateError.invalidInput }
            parenthesesCount -= 1
            calculateOperation()
        default:
            throw CalculateError.invalidInput
        }
    }
    
    if parenthesesCount != 0 { throw CalculateError.invalidInput }
    calculateOperation()
    
    return result
}
```

enum CalculateError: Error {
    case invalidInput
}

func calculate(_ string: String) throws -> Double {
    let scanner = Scanner(string: string)
    return try scanner.parseExpression()
}

private struct Scanner {
    private enum Token: Character {
        case numberSign, add, subtract, multiply, divide, openParen, closeParen
        case none
        
        init?(char: Character) {
            switch char {
            case "0"..."9":
                self = .numberSign
            case "+":
                self = .add
            case "-":
                self = .subtract
            case "*":
                self = .multiply
            case "/":
                self = .divide
            case "(":
                self = .openParen
            case ")":
                self = .closeParen
            default:
                return nil
            }
        }
    }
    
    private var string: String
    private var index: String.Index
    
    init(string: String) {
        self.string = string
        self.index = string.startIndex
    }
    
    mutating func parseExpression() throws -> Double {
        return try parseAdditive()
    }
    
    mutating func parseAdditive() throws -> Double {
        let left = try parseMultiplicative()
        loop: while let operator = nextToken() {
            let right = try parseMultiplicative()
            switch operator {
            case .add:
                return left + right
            case .subtract:
                return left - right
            default:
                break loop
            }
        }
        return left
    }
    
    mutating func parseMultiplicative() throws -> Double {
        let left = try parsePrimary()
        loop: while let operator = nextToken() {
            let right = try parsePrimary()
            switch operator {
            case .multiply:
                return left * right
            case .divide:
                return left / right
            default:
                break loop
            }
        }
        return left
    }
    
    mutating func parsePrimary() throws -> Double {
        if let number = nextNumber() {
            return number
        }
        guard nextToken() == .openParen else {
            throw CalculateError.invalidInput
        }
        let value = try parseExpression()
        guard nextToken() == .closeParen else {
            throw CalculateError.invalidInput
        }
        return value
    }
    
    mutating func nextToken() -> Token? {
        let start = index
        guard let char = string.index(after: index) else {
            index = string.endIndex
            return nil
        }
        defer {
            if index == start {
                index = string.index(after: index)
            }
        }
        return Token(char: char)
    }
    
    mutating func nextNumber() -> Double? {
        let start = index
        let decimal = Double(string[index...]) ?? return nil
        index = string.index(after: index)
        return decimal
    }
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Calculator which supports operations from readable string format.
Valid tokens is "+-*/()", example input is "2+2*2".
### Response:
```swift
enum CalculateError: Error {
    case invalidInput
}

func calculate(_ string: String) throws -> Double {
    let scanner = Scanner(string: string)
    return try scanner.parseExpression()
}

private struct Scanner {
    private enum Token: Character {
        case numberSign, add, subtract, multiply, divide, openParen, closeParen
        case none
        
        init?(char: Character) {
            switch char {
            case "0"..."9":
                self = .numberSign
            case "+":
                self = .add
            case "-":
                self = .subtract
            case "*":
                self = .multiply
            case "/":
                self = .divide
            case "(":
                self = .openParen
            case ")":
                self = .closeParen
            default:
                return nil
            }
        }
    }
    
    private var string: String
    private var index: String.Index
    
    init(string: String) {
        self.string = string
        self.index = string.startIndex
    }
    
    mutating func parseExpression() throws -> Double {
        return try parseAdditive()
    }
    
    mutating func parseAdditive() throws -> Double {
        let left = try parseMultiplicative()
        loop: while let operator = nextToken() {
            let right = try parseMultiplicative()
            switch operator {
            case .add:
                return left + right
            case .subtract:
                return left - right
            default:
                break loop
            }
        }
        return left
    }
    
    mutating func parseMultiplicative() throws -> Double {
        let left = try parsePrimary()
        loop: while let operator = nextToken() {
            let right = try parsePrimary()
            switch operator {
            case .multiply:
                return left * right
            case .divide:
                return left / right
            default:
                break loop
            }
        }
        return left
    }
    
    mutating func parsePrimary() throws -> Double {
        if let number = nextNumber() {
            return number
        }
        guard nextToken() == .openParen else {
            throw CalculateError.invalidInput
        }
        let value = try parseExpression()
        guard nextToken() == .closeParen else {
            throw CalculateError.invalidInput
        }
        return value
    }
    
    mutating func nextToken() -> Token? {
        let start = index
        guard let char = string.index(after: index) else {
            index = string.endIndex
            return nil
        }
        defer {
            if index == start {
                index = string.index(after: index)
            }
        }
        return Token(char: char)
    }
    
    mutating func nextNumber() -> Double? {
        let start = index
        let decimal = Double(string[index...]) ?? return nil
        index = string.index(after: index)
        return decimal
    }
}
```

enum CalculateError: Error {
    case invalidInput
}

func calculate(_ string: String) throws -> Double {
    let scanner = NSScanner(string: string)
    scanner.scanLocation = 0
    var stack: [Double] = []
    var operationStack: [String] = []
    
    func performOperation() throws {
        let operation = operationStack.removeLast()
        let right = stack.removeLast()
        let left = stack.removeLast()
        
        switch operation {
        case "+":
            stack.append(left + right)
        case "-":
            stack.append(left - right)
        case "*":
            stack.append(left * right)
        case "/":
            if right == 0 {
                throw CalculateError.invalidInput
            }
            stack.append(left / right)
        default:
            throw CalculateError.invalidInput
        }
    }
    
    var number: Double = 0
    var numberFound = false
    var operation: String = ""
    var operationFound = false
    
    while !scanner.atEnd {
        if let numberScanned = scanner.scanDouble(&number) {
            numberFound = numberScanned
            continue
        }
        
        if let operationScanned = scanner.scanCharacters(from: .whitespaceAndNewlineCharacterSet().inverted) {
            operation = String(operationScanned)
            operationFound = true
            continue
        }
        
        if numberFound {
            stack.append(number)
            numberFound = false
        }
        
        if operationFound {
            while !operationStack.isEmpty && precedence(operation) <= precedence(operationStack.last ?? "") {
                try performOperation()
            }
            operationStack.append(operation)
            operationFound = false
        }
    }
    
    if numberFound {
        stack.append(number)
    }
    
    while !operationStack.isEmpty {
        try performOperation()
    }
    
    if stack.count != 1 {
        throw CalculateError.invalidInput
    }
    
    return stack[0]
}

func precedence(_ operation: String) -> Int {
    switch operation {
    case "+", "-":
        return 1
    case "*", "/":
        return 2
    default:
        return 0
    }
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Calculator which supports operations from readable string format.
Valid tokens is "+-*/()", example input is "2+2*2".
### Response:
```swift
enum CalculateError: Error {
    case invalidInput
}

func calculate(_ string: String) throws -> Double {
    let scanner = NSScanner(string: string)
    scanner.scanLocation = 0
    var stack: [Double] = []
    var operationStack: [String] = []
    
    func performOperation() throws {
        let operation = operationStack.removeLast()
        let right = stack.removeLast()
        let left = stack.removeLast()
        
        switch operation {
        case "+":
            stack.append(left + right)
        case "-":
            stack.append(left - right)
        case "*":
            stack.append(left * right)
        case "/":
            if right == 0 {
                throw CalculateError.invalidInput
            }
            stack.append(left / right)
        default:
            throw CalculateError.invalidInput
        }
    }
    
    var number: Double = 0
    var numberFound = false
    var operation: String = ""
    var operationFound = false
    
    while !scanner.atEnd {
        if let numberScanned = scanner.scanDouble(&number) {
            numberFound = numberScanned
            continue
        }
        
        if let operationScanned = scanner.scanCharacters(from: .whitespaceAndNewlineCharacterSet().inverted) {
            operation = String(operationScanned)
            operationFound = true
            continue
        }
        
        if numberFound {
            stack.append(number)
            numberFound = false
        }
        
        if operationFound {
            while !operationStack.isEmpty && precedence(operation) <= precedence(operationStack.last ?? "") {
                try performOperation()
            }
            operationStack.append(operation)
            operationFound = false
        }
    }
    
    if numberFound {
        stack.append(number)
    }
    
    while !operationStack.isEmpty {
        try performOperation()
    }
    
    if stack.count != 1 {
        throw CalculateError.invalidInput
    }
    
    return stack[0]
}

func precedence(_ operation: String) -> Int {
    switch operation {
    case "+", "-":
        return 1
    case "*", "/":
        return 2
    default:
        return 0
    }
}
```

enum CalculateError: Error {
    case invalidInput
}

func calculate(_ string: String) throws -> Double {
    let scanner = Scanner(string: string)
    return try scanner.parseExpression()
}

private struct Scanner {
    private enum Token: Character {
        case number(Double)
        case plus, minus, times, over, openParen, closeParen
    }

    private var tokens: [Token]
    private var index: Int

    init(string: String) {
        self.tokens = string.compactMap { Token(rawValue: $0) }
        self.index = 0
    }

    mutating func parseExpression() throws -> Double {
        return try parseSum()
    }

    @discardableResult
    mutating func parseSum() throws -> Double {
        let value = try parseProduct()
        while index < tokens.count {
            switch tokens[index] {
            case .plus:
                index += 1
                return value + try parseProduct()
            case .minus:
                index += 1
                return value - try parseProduct()
            default:
                return value
            }
        }
        return value
    }

    @discardableResult
    mutating func parseProduct() throws -> Double {
        let value = try parseAtom()
        while index < tokens.count {
            switch tokens[index] {
            case .times:
                index += 1
                return value * try parseAtom()
            case .over:
                index += 1
                let divisor = try parseAtom()
                if divisor == 0 {
                    throw CalculateError.invalidInput
                }
                return value / divisor
            default:
                return value
            }
        }
        return value
    }

    @discardableResult
    mutating func parseAtom() throws -> Double {
        switch tokens[index] {
        case .number(let value):
            index += 1
            return value
        case .openParen:
            index += 1
            let value = try parseExpression()
            guard tokens[index] == .closeParen else {
                throw CalculateError.invalidInput
            }
            index += 1
            return value
        default:
            throw CalculateError.invalidInput
        }
    }
}

private extension Character {
    init?(rawValue: Double) {
        switch self {
        case "0", "1", "2", "3", "4", "5", "6", "7", "8", "9":
            self = .number(Double(rawValue) ?? 0)
        case "+":
            self = .plus
        case "-":
            self = .minus
        case "*":
            self = .times
        case "/":
            self = .over
        case "(":
            self = .openParen
        case ")":
            self = .closeParen
        default:
            return nil
        }
    }
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Calculator which supports operations from readable string format.
Valid tokens is "+-*/()", example input is "2+2*2".
### Response:
```swift
enum CalculateError: Error {
    case invalidInput
}

func calculate(_ string: String) throws -> Double {
    let scanner = Scanner(string: string)
    return try scanner.parseExpression()
}

private struct Scanner {
    private enum Token: Character {
        case number(Double)
        case plus, minus, times, over, openParen, closeParen
    }

    private var tokens: [Token]
    private var index: Int

    init(string: String) {
        self.tokens = string.compactMap { Token(rawValue: $0) }
        self.index = 0
    }

    mutating func parseExpression() throws -> Double {
        return try parseSum()
    }

    @discardableResult
    mutating func parseSum() throws -> Double {
        let value = try parseProduct()
        while index < tokens.count {
            switch tokens[index] {
            case .plus:
                index += 1
                return value + try parseProduct()
            case .minus:
                index += 1
                return value - try parseProduct()
            default:
                return value
            }
        }
        return value
    }

    @discardableResult
    mutating func parseProduct() throws -> Double {
        let value = try parseAtom()
        while index < tokens.count {
            switch tokens[index] {
            case .times:
                index += 1
                return value * try parseAtom()
            case .over:
                index += 1
                let divisor = try parseAtom()
                if divisor == 0 {
                    throw CalculateError.invalidInput
                }
                return value / divisor
            default:
                return value
            }
        }
        return value
    }

    @discardableResult
    mutating func parseAtom() throws -> Double {
        switch tokens[index] {
        case .number(let value):
            index += 1
            return value
        case .openParen:
            index += 1
            let value = try parseExpression()
            guard tokens[index] == .closeParen else {
                throw CalculateError.invalidInput
            }
            index += 1
            return value
        default:
            throw CalculateError.invalidInput
        }
    }
}

private extension Character {
    init?(rawValue: Double) {
        switch self {
        case "0", "1", "2", "3", "4", "5", "6", "7", "8", "9":
            self = .number(Double(rawValue) ?? 0)
        case "+":
            self = .plus
        case "-":
            self = .minus
        case "*":
            self = .times
        case "/":
            self = .over
        case "(":
            self = .openParen
        case ")":
            self = .closeParen
        default:
            return nil
        }
    }
}
```

enum CalculateError: Error {
    case invalidInput
}

func calculate(_ string: String) throws -> Double {
    let tokens = string.components(separatedBy: CharacterSet.decimalDigits.inverted)
    var stack = [Double]()
    var operators = [Character]()

    func performOperation(_ operator: Character) throws {
        let operand2 = stack.removeLast()
        let operand1 = stack.removeLast()
        switch operator {
        case "+": stack.append(operand1 + operand2)
        case "-": stack.append(operand1 - operand2)
        case "*": stack.append(operand1 * operand2)
        case "/": stack.append(operand1 / operand2)
        default: break
        }
    }

    func processOperator(_ operator: Character, higherPrecedence: Character) throws {
        while !operators.isEmpty && operators.last != "(" && operators.last != higherPrecedence {
            performOperation(operators.removeLast())
        }
        operators.append(operator)
    }

    for token in tokens {
        if let number = Double(token) {
            stack.append(number)
        } else if token.isEmpty {
            continue
        } else if token == "(" {
            operators.append(token)
        } else if token == ")" {
            while operators.last != "(" {
                performOperation(operators.removeLast())
            }
            operators.removeLast()
        } else if let operator = token.first {
            switch operator {
            case "+", "-": processOperator(operator, higherPrecedence: "*")
            case "*", "/": processOperator(operator, higherPrecedence: "+")
            default: throw CalculateError.invalidInput
            }
        } else {
            throw CalculateError.invalidInput
        }
    }

    while !operators.isEmpty {
        performOperation(operators.removeLast())
    }

    return stack.first ?? 0
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Calculator which supports operations from readable string format.
Valid tokens is "+-*/()", example input is "2+2*2".
### Response:
```swift
enum CalculateError: Error {
    case invalidInput
}

func calculate(_ string: String) throws -> Double {
    let tokens = string.components(separatedBy: CharacterSet.decimalDigits.inverted)
    var stack = [Double]()
    var operators = [Character]()

    func performOperation(_ operator: Character) throws {
        let operand2 = stack.removeLast()
        let operand1 = stack.removeLast()
        switch operator {
        case "+": stack.append(operand1 + operand2)
        case "-": stack.append(operand1 - operand2)
        case "*": stack.append(operand1 * operand2)
        case "/": stack.append(operand1 / operand2)
        default: break
        }
    }

    func processOperator(_ operator: Character, higherPrecedence: Character) throws {
        while !operators.isEmpty && operators.last != "(" && operators.last != higherPrecedence {
            performOperation(operators.removeLast())
        }
        operators.append(operator)
    }

    for token in tokens {
        if let number = Double(token) {
            stack.append(number)
        } else if token.isEmpty {
            continue
        } else if token == "(" {
            operators.append(token)
        } else if token == ")" {
            while operators.last != "(" {
                performOperation(operators.removeLast())
            }
            operators.removeLast()
        } else if let operator = token.first {
            switch operator {
            case "+", "-": processOperator(operator, higherPrecedence: "*")
            case "*", "/": processOperator(operator, higherPrecedence: "+")
            default: throw CalculateError.invalidInput
            }
        } else {
            throw CalculateError.invalidInput
        }
    }

    while !operators.isEmpty {
        performOperation(operators.removeLast())
    }

    return stack.first ?? 0
}
```

enum CalculateError: Error {
    case invalidInput
}

func calculate(_ string: String) throws -> Double {
    let scanner = NSScanner(string: string)
    scanner.scanLocation = 0
    guard scanner.scanDecimal(nil) else {
        throw CalculateError.invalidInput
    }
    var stack: [Double] = []
    var operators: [Character] = []
    var number: Double = 0
    var operation: ((Double, Double) -> Double)?

    while !scanner.atEnd, let token = scanner.scanLocation == scanner.string?.endIndex ? nil : String(scanner.scanLocation.advanced(by: 1)).first {
        switch token {
        case "0"..."9", ".":
            if let value = Double(String(token)), operation == nil {
                number = value
            } else if let value = Double("\(number ?? 0)\(value)") {
                number = value
            } else {
                throw CalculateError.invalidInput
            }
        case "+", "-", "*", "/":
            if let operation = operations[token] {
                while let lastOperation = operations[operators.last], lastOperation.precedence >= operation.precedence {
                    if let operation = operations[operators.removeLast()], let right = stack.removeLast(), let left = stack.removeLast() {
                        stack.append(operation.operation(left, right))
                    } else {
                        throw CalculateError.invalidInput
                    }
                }
                operators.append(token)
            } else {
                throw CalculateError.invalidInput
            }
        case "(":
            scanner.scanLocation = scanner.string?.index(scanner.string?.startIndex, offsetBy: scanner.scanLocation.distance(to: scanner.string?.endIndex ?? scanner.string?.startIndex)) ?? scanner.string?.startIndex
            number = try calculate(String(scanner.string?.dropFirst(at: scanner.scanLocation.distance(to: scanner.string?.startIndex)) ?? ""))
        case ")":
            while !operators.isEmpty {
                if let operation = operations[operators.removeLast()], let right = stack.removeLast(), let left = stack.removeLast() {
                    stack.append(operation.operation(left, right))
                } else {
                    throw CalculateError.invalidInput
                }
            }
            return stack.first ?? 0
        default:
            throw CalculateError.invalidInput
        }
        scanner.scanLocation = scanner.string?.index(scanner.string?.startIndex, offsetBy: scanner.scanLocation.distance(to: scanner.string?.endIndex ?? scanner.string?.startIndex)) ?? scanner.string?.startIndex
    }
    return stack.first ?? 0
}

struct Operation {
    let operation: (Double, Double) -> Double
    let precedence: Int
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Calculator which supports operations from readable string format.
Valid tokens is "+-*/()", example input is "2+2*2".
### Response:
```swift
enum CalculateError: Error {
    case invalidInput
}

func calculate(_ string: String) throws -> Double {
    let scanner = NSScanner(string: string)
    scanner.scanLocation = 0
    guard scanner.scanDecimal(nil) else {
        throw CalculateError.invalidInput
    }
    var stack: [Double] = []
    var operators: [Character] = []
    var number: Double = 0
    var operation: ((Double, Double) -> Double)?

    while !scanner.atEnd, let token = scanner.scanLocation == scanner.string?.endIndex ? nil : String(scanner.scanLocation.advanced(by: 1)).first {
        switch token {
        case "0"..."9", ".":
            if let value = Double(String(token)), operation == nil {
                number = value
            } else if let value = Double("\(number ?? 0)\(value)") {
                number = value
            } else {
                throw CalculateError.invalidInput
            }
        case "+", "-", "*", "/":
            if let operation = operations[token] {
                while let lastOperation = operations[operators.last], lastOperation.precedence >= operation.precedence {
                    if let operation = operations[operators.removeLast()], let right = stack.removeLast(), let left = stack.removeLast() {
                        stack.append(operation.operation(left, right))
                    } else {
                        throw CalculateError.invalidInput
                    }
                }
                operators.append(token)
            } else {
                throw CalculateError.invalidInput
            }
        case "(":
            scanner.scanLocation = scanner.string?.index(scanner.string?.startIndex, offsetBy: scanner.scanLocation.distance(to: scanner.string?.endIndex ?? scanner.string?.startIndex)) ?? scanner.string?.startIndex
            number = try calculate(String(scanner.string?.dropFirst(at: scanner.scanLocation.distance(to: scanner.string?.startIndex)) ?? ""))
        case ")":
            while !operators.isEmpty {
                if let operation = operations[operators.removeLast()], let right = stack.removeLast(), let left = stack.removeLast() {
                    stack.append(operation.operation(left, right))
                } else {
                    throw CalculateError.invalidInput
                }
            }
            return stack.first ?? 0
        default:
            throw CalculateError.invalidInput
        }
        scanner.scanLocation = scanner.string?.index(scanner.string?.startIndex, offsetBy: scanner.scanLocation.distance(to: scanner.string?.endIndex ?? scanner.string?.startIndex)) ?? scanner.string?.startIndex
    }
    return stack.first ?? 0
}

struct Operation {
    let operation: (Double, Double) -> Double
    let precedence: Int
}

let operations: [Character: Operation] = [
    "+": Operation(operation: { $0 + $1 }, precedence: 1),
    "-": Operation(operation: { $0 - $1 }, precedence: 1),
    "*": Operation(operation: { $0 * $1 }, precedence: 2),
    "/": Operation(operation: { $0 / $1 }, precedence: 2)
]
```

enum CalculateError: Error {
    case invalidInput
}

func calculate(_ string: String) throws -> Double {
    let scanner = NSScanner(string: string)
    scanner.scanLocation = 0
    guard scanner.scanDecimal(nil) else { throw CalculateError.invalidInput }
    var stack: [Double] = []
    var operators: [Character] = []
    var number: Double = 0
    var operator: Character = ""
    
    while !scanner.atEnd {
        if scanner.scanDecimal(&number) {
            stack.append(number)
            if !operators.isEmpty {
                let lastOperator = operators.removeLast()
                let lastNumber = stack.removeLast()
                switch lastOperator {
                case "+":
                    stack.append(lastNumber + number)
                case "-":
                    stack.append(lastNumber - number)
                case "*":
                    stack.append(lastNumber * number)
                case "/":
                    stack.append(lastNumber / number)
                default:
                    break
                }
            }
        } else if scanner.scanCharacters(into: &operator, charactersFrom: NSCharacterSet.decimalDigits.inverted)) {
            operators.append(operator)
        } else {
            scanner.scanLocation += 1
        }
    }
    
    while !operators.isEmpty {
        let lastOperator = operators.removeLast()
        let lastNumber = stack.removeLast()
        switch lastOperator {
        case "+":
            stack[stack.count - 1] += lastNumber
        case "-":
            stack[stack.count - 1] -= lastNumber
        case "*":
            stack[stack.count - 1] *= lastNumber
        case "/":
            stack[stack.count - 1] /= lastNumber
        default:
            break
        }
    }
    
    return stack.first ?? 0
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Calculator which supports operations from readable string format.
Valid tokens is "+-*/()", example input is "2+2*2".
### Response:
```swift
enum CalculateError: Error {
    case invalidInput
}

func calculate(_ string: String) throws -> Double {
    let scanner = NSScanner(string: string)
    scanner.scanLocation = 0
    guard scanner.scanDecimal(nil) else { throw CalculateError.invalidInput }
    var stack: [Double] = []
    var operators: [Character] = []
    var number: Double = 0
    var operator: Character = ""
    
    while !scanner.atEnd {
        if scanner.scanDecimal(&number) {
            stack.append(number)
            if !operators.isEmpty {
                let lastOperator = operators.removeLast()
                let lastNumber = stack.removeLast()
                switch lastOperator {
                case "+":
                    stack.append(lastNumber + number)
                case "-":
                    stack.append(lastNumber - number)
                case "*":
                    stack.append(lastNumber * number)
                case "/":
                    stack.append(lastNumber / number)
                default:
                    break
                }
            }
        } else if scanner.scanCharacters(into: &operator, charactersFrom: NSCharacterSet.decimalDigits.inverted)) {
            operators.append(operator)
        } else {
            scanner.scanLocation += 1
        }
    }
    
    while !operators.isEmpty {
        let lastOperator = operators.removeLast()
        let lastNumber = stack.removeLast()
        switch lastOperator {
        case "+":
            stack[stack.count - 1] += lastNumber
        case "-":
            stack[stack.count - 1] -= lastNumber
        case "*":
            stack[stack.count - 1] *= lastNumber
        case "/":
            stack[stack.count - 1] /= lastNumber
        default:
            break
        }
    }
    
    return stack.first ?? 0
}
```

enum CalculateError: Error {
    case invalidInput
}

func calculate(_ string: String) throws -> Double {
    let scanner = NSScanner(string: string)
    scanner.scanLocation = 0
    var stack: [Double] = []
    var number: Double = 0
    var operation: ((Double, Double) -> Double)?
    
    func push() {
        if let operation = operation {
            let y = stack.removeLast()
            let x = stack.removeLast()
            stack.append(operation(x, y))
        } else {
            stack.append(number)
        }
    }
    
    while !scanner.atEnd {
        if scanner.scanDecimal(&number) {
            push()
            operation = nil
        } else if scanner.scanString("+", into: nil) {
            push()
            operation = { $0 + $1 }
        } else if scanner.scanString("-", into: nil) {
            push()
            operation = { $0 - $1 }
        } else if scanner.scanString("*", into: nil) {
            push()
            operation = { $0 * $1 }
        } else if scanner.scanString("/", into: nil) {
            push()
            operation = { $0 / $1 }
        } else if scanner.scanString("(", into: nil) {
            scanner.scanUpToString(")", into: &string)
            number = try calculate(string)
            scanner.scanLocation = scanner.string.index(scanner.scanLocation, offsetBy: 1)
        } else if scanner.scanString(")", into: nil) {
            throw CalculateError.invalidInput
        } else {
            scanner.scanUpToCharacters(from: .whitespacesAndNewlines, into: nil)
        }
    }
    push()
    
    if stack.count != 1 {
        throw CalculateError.invalidInput
    }
    
    return stack[0]
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Calculator which supports operations from readable string format.
Valid tokens is "+-*/()", example input is "2+2*2".
### Response:
```swift
enum CalculateError: Error {
    case invalidInput
}

func calculate(_ string: String) throws -> Double {
    let scanner = NSScanner(string: string)
    scanner.scanLocation = 0
    var stack: [Double] = []
    var number: Double = 0
    var operation: ((Double, Double) -> Double)?
    
    func push() {
        if let operation = operation {
            let y = stack.removeLast()
            let x = stack.removeLast()
            stack.append(operation(x, y))
        } else {
            stack.append(number)
        }
    }
    
    while !scanner.atEnd {
        if scanner.scanDecimal(&number) {
            push()
            operation = nil
        } else if scanner.scanString("+", into: nil) {
            push()
            operation = { $0 + $1 }
        } else if scanner.scanString("-", into: nil) {
            push()
            operation = { $0 - $1 }
        } else if scanner.scanString("*", into: nil) {
            push()
            operation = { $0 * $1 }
        } else if scanner.scanString("/", into: nil) {
            push()
            operation = { $0 / $1 }
        } else if scanner.scanString("(", into: nil) {
            scanner.scanUpToString(")", into: &string)
            number = try calculate(string)
            scanner.scanLocation = scanner.string.index(scanner.scanLocation, offsetBy: 1)
        } else if scanner.scanString(")", into: nil) {
            throw CalculateError.invalidInput
        } else {
            scanner.scanUpToCharacters(from: .whitespacesAndNewlines, into: nil)
        }
    }
    push()
    
    if stack.count != 1 {
        throw CalculateError.invalidInput
    }
    
    return stack[0]
}
```

enum CalculateError: Error {
    case invalidInput
}

func calculate(_ string: String) throws -> Double {
    let tokens = string.components(separatedBy: CharacterSet.decimalDigits.inverted)
    var values = [Double]()
    var ops = [Character]()
    ops.append("+")

    func performOperation() throws {
        let op = ops.removeLast()
        let rhs = values.removeLast()
        let lhs = values.removeLast()

        switch op {
        case "+":
            values.append(lhs + rhs)
        case "-":
            values.append(lhs - rhs)
        case "*":
            values.append(lhs * rhs)
        case "/":
            values.append(lhs / rhs)
        default:
            throw CalculateError.invalidInput
        }
    }

    for token in tokens {
        if let value = Double(token) {
            values.append(value)
        } else if token == "(" {
            ops.append(token)
        } else if token == ")" {
            while ops.last != "(" {
                try performOperation()
            }
            ops.removeLast()
        } else {
            let precedence: [Character: Int] = ["+": 1, "-": 1, "*": 2, "/": 2]
            while ops.last != "(" && precedence[token] <= (precedence[ops.last] ?? 0) {
                try performOperation()
            }
            ops.append(token)
        }
    }

    while ops.count > 0 {
        try performOperation()
    }

    return values.first ?? 0
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Calculator which supports operations from readable string format.
Valid tokens is "+-*/()", example input is "2+2*2".
### Response:
```swift
enum CalculateError: Error {
    case invalidInput
}

func calculate(_ string: String) throws -> Double {
    let tokens = string.components(separatedBy: CharacterSet.decimalDigits.inverted)
    var values = [Double]()
    var ops = [Character]()
    ops.append("+")

    func performOperation() throws {
        let op = ops.removeLast()
        let rhs = values.removeLast()
        let lhs = values.removeLast()

        switch op {
        case "+":
            values.append(lhs + rhs)
        case "-":
            values.append(lhs - rhs)
        case "*":
            values.append(lhs * rhs)
        case "/":
            values.append(lhs / rhs)
        default:
            throw CalculateError.invalidInput
        }
    }

    for token in tokens {
        if let value = Double(token) {
            values.append(value)
        } else if token == "(" {
            ops.append(token)
        } else if token == ")" {
            while ops.last != "(" {
                try performOperation()
            }
            ops.removeLast()
        } else {
            let precedence: [Character: Int] = ["+": 1, "-": 1, "*": 2, "/": 2]
            while ops.last != "(" && precedence[token] <= (precedence[ops.last] ?? 0) {
                try performOperation()
            }
            ops.append(token)
        }
    }

    while ops.count > 0 {
        try performOperation()
    }

    return values.first ?? 0
}
```

func execute(binary: String, arguments: [String]) -> (String, String) {
    let task = Process()
    task.launchPath = "/bin/bash"
    task.arguments = ["-c", "\(binary) \(arguments.joined(separator: " "))"]
    
    let outpipe = Pipe()
    let errpipe = Pipe()
    task.standardOutput = outpipe
    task.standardError = errpipe
    
    task.launch()
    
    let outdata = outpipe.fileHandleForReading.readDataToEndOfFile()
    let errdata = errpipe.fileHandleForReading.readDataToEndOfFile()
    
    let stdout = String(data: outdata, encoding: .utf8) ?? ""
    let stderr = String(data: errdata, encoding: .utf8) ?? ""
    
    task.waitUntilExit()
    
    return (stdout, stderr)
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Function to execute binary with arguments.
Returns tuple where first element is stdout and second is stderr.
### Response:
```swift
func execute(binary: String, arguments: [String]) -> (String, String) {
    let task = Process()
    task.launchPath = "/bin/bash"
    task.arguments = ["-c", "\(binary) \(arguments.joined(separator: " "))"]
    
    let outpipe = Pipe()
    let errpipe = Pipe()
    task.standardOutput = outpipe
    task.standardError = errpipe
    
    task.launch()
    
    let outdata = outpipe.fileHandleForReading.readDataToEndOfFile()
    let errdata = errpipe.fileHandleForReading.readDataToEndOfFile()
    
    let stdout = String(data: outdata, encoding: .utf8) ?? ""
    let stderr = String(data: errdata, encoding: .utf8) ?? ""
    
    task.waitUntilExit()
    
    return (stdout, stderr)
}
```

func execute(binary: String, arguments: [String]) -> (String, String) {
    let task = Process()
    task.launchPath = "/bin/bash"
    task.arguments = ["-c", "\(binary) \(arguments.joined(separator: " "))"]

    let outPipe = Pipe()
    let errPipe = Pipe()
    task.standardOutput = outPipe
    task.standardError = errPipe

    task.launch()

    let outData = outPipe.fileHandleForReading.readDataToEndOfFile()
    let errData = errPipe.fileHandleForReading.readDataToEndOfFile()

    let outString = String(data: outData, encoding: .utf8) ?? ""
    let errString = String(data: errData, encoding: .utf8) ?? ""

    task.waitUntilExit()

    return (outString, errString)
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Function to execute binary with arguments.
Returns tuple where first element is stdout and second is stderr.
### Response:
```swift
func execute(binary: String, arguments: [String]) -> (String, String) {
    let task = Process()
    task.launchPath = "/bin/bash"
    task.arguments = ["-c", "\(binary) \(arguments.joined(separator: " "))"]

    let outPipe = Pipe()
    let errPipe = Pipe()
    task.standardOutput = outPipe
    task.standardError = errPipe

    task.launch()

    let outData = outPipe.fileHandleForReading.readDataToEndOfFile()
    let errData = errPipe.fileHandleForReading.readDataToEndOfFile()

    let outString = String(data: outData, encoding: .utf8) ?? ""
    let errString = String(data: errData, encoding: .utf8) ?? ""

    task.waitUntilExit()

    return (outString, errString)
}
```

func execute(binary: String, arguments: [String]) -> (String, String) {
    let task = Process()
    task.launchPath = "/bin/bash"
    task.arguments = ["-c", "\(binary) \(arguments.joined(separator: " "))"]
    
    let outPipe = Pipe()
    let errPipe = Pipe()
    
    task.standardOutput = outPipe
    task.standardError = errPipe
    
    task.launch()
    
    let outData = outPipe.fileHandleForReading.readDataToEndOfFile()
    let errData = errPipe.fileHandleForReading.readDataToEndOfFile()
    
    let stdout = String(data: outData, encoding: .utf8) ?? ""
    let stderr = String(data: errData, encoding: .utf8) ?? ""
    
    task.waitUntilExit()
    
    return (stdout, stderr)
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Function to execute binary with arguments.
Returns tuple where first element is stdout and second is stderr.
### Response:
```swift
func execute(binary: String, arguments: [String]) -> (String, String) {
    let task = Process()
    task.launchPath = "/bin/bash"
    task.arguments = ["-c", "\(binary) \(arguments.joined(separator: " "))"]
    
    let outPipe = Pipe()
    let errPipe = Pipe()
    
    task.standardOutput = outPipe
    task.standardError = errPipe
    
    task.launch()
    
    let outData = outPipe.fileHandleForReading.readDataToEndOfFile()
    let errData = errPipe.fileHandleForReading.readDataToEndOfFile()
    
    let stdout = String(data: outData, encoding: .utf8) ?? ""
    let stderr = String(data: errData, encoding: .utf8) ?? ""
    
    task.waitUntilExit()
    
    return (stdout, stderr)
}
```

func execute(binary: String, arguments: [String]) -> (String, String) {
    let task = Process()
    task.launchPath = "/bin/bash"
    task.arguments = ["-c", "\(binary) \(arguments.joined(separator: " "))"]
    
    let outPipe = Pipe()
    let errPipe = Pipe()
    
    task.standardOutput = outPipe
    task.standardError = errPipe
    
    task.launch()
    
    let outData = outPipe.fileHandleForReading.readDataToEndOfFile()
    let errData = errPipe.fileHandleForReading.readDataToEndOfFile()
    
    let stdout = String(data: outData, encoding: .utf8) ?? ""
    let stderr = String(data: errData, encoding: .utf8) ?? ""
    
    task.waitUntilExit()
    
    return (stdout, stderr)
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Function to execute binary with arguments.
Returns tuple where first element is stdout and second is stderr.
### Response:
```swift
func execute(binary: String, arguments: [String]) -> (String, String) {
    let task = Process()
    task.launchPath = "/bin/bash"
    task.arguments = ["-c", "\(binary) \(arguments.joined(separator: " "))"]
    
    let outPipe = Pipe()
    let errPipe = Pipe()
    
    task.standardOutput = outPipe
    task.standardError = errPipe
    
    task.launch()
    
    let outData = outPipe.fileHandleForReading.readDataToEndOfFile()
    let errData = errPipe.fileHandleForReading.readDataToEndOfFile()
    
    let stdout = String(data: outData, encoding: .utf8) ?? ""
    let stderr = String(data: errData, encoding: .utf8) ?? ""
    
    task.waitUntilExit()
    
    return (stdout, stderr)
}
```

func execute(binary: String, arguments: [String]) -> (String, String) {
    let task = Process()
    task.launchPath = "/bin/bash"
    task.arguments = ["-c", "\(binary) \(arguments.joined(separator: " "))"]

    let outPipe = Pipe()
    let errPipe = Pipe()
    task.standardOutput = outPipe
    task.standardError = errPipe

    task.launch()

    let outData = outPipe.fileHandleForReading.readDataToEndOfFile()
    let errData = errPipe.fileHandleForReading.readDataToEndOfFile()

    let outString = String(data: outData, encoding: .utf8) ?? ""
    let errString = String(data: errData, encoding: .utf8) ?? ""

    task.waitUntilExit()

    return (outString, errString)
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Function to execute binary with arguments.
Returns tuple where first element is stdout and second is stderr.
### Response:
```swift
func execute(binary: String, arguments: [String]) -> (String, String) {
    let task = Process()
    task.launchPath = "/bin/bash"
    task.arguments = ["-c", "\(binary) \(arguments.joined(separator: " "))"]

    let outPipe = Pipe()
    let errPipe = Pipe()
    task.standardOutput = outPipe
    task.standardError = errPipe

    task.launch()

    let outData = outPipe.fileHandleForReading.readDataToEndOfFile()
    let errData = errPipe.fileHandleForReading.readDataToEndOfFile()

    let outString = String(data: outData, encoding: .utf8) ?? ""
    let errString = String(data: errData, encoding: .utf8) ?? ""

    task.waitUntilExit()

    return (outString, errString)
}
```

func execute(binary: String, arguments: [String]) -> (String, String) {
    let task = Process()
    task.launchPath = "/bin/bash"
    task.arguments = ["-c", "\(binary) \(arguments.joined(separator: " "))"]
    
    let outPipe = Pipe()
    let errPipe = Pipe()
    task.standardOutput = outPipe
    task.standardError = errPipe
    
    task.launch()
    
    let outData = outPipe.fileHandleForReading.readDataToEndOfFile()
    let errData = errPipe.fileHandleForReading.readDataToEndOfFile()
    
    let stdout = String(data: outData, encoding: .utf8) ?? ""
    let stderr = String(data: errData, encoding: .utf8) ?? ""
    
    task.waitUntilExit()
    
    return (stdout, stderr)
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Function to execute binary with arguments.
Returns tuple where first element is stdout and second is stderr.
### Response:
```swift
func execute(binary: String, arguments: [String]) -> (String, String) {
    let task = Process()
    task.launchPath = "/bin/bash"
    task.arguments = ["-c", "\(binary) \(arguments.joined(separator: " "))"]
    
    let outPipe = Pipe()
    let errPipe = Pipe()
    task.standardOutput = outPipe
    task.standardError = errPipe
    
    task.launch()
    
    let outData = outPipe.fileHandleForReading.readDataToEndOfFile()
    let errData = errPipe.fileHandleForReading.readDataToEndOfFile()
    
    let stdout = String(data: outData, encoding: .utf8) ?? ""
    let stderr = String(data: errData, encoding: .utf8) ?? ""
    
    task.waitUntilExit()
    
    return (stdout, stderr)
}
```

func execute(binary: String, arguments: [String]) -> (String, String) {
    let task = Process()
    task.launchPath = "/bin/bash"
    task.arguments = ["-c", "\(binary) \(arguments.joined(separator: " "))"]
    
    let outPipe = Pipe()
    let errPipe = Pipe()
    
    task.standardOutput = outPipe
    task.standardError = errPipe
    
    task.launch()
    
    let outData = outPipe.fileHandleForReading.readDataToEndOfFile()
    let errData = errPipe.fileHandleForReading.readDataToEndOfFile()
    
    let stdout = String(data: outData, encoding: .utf8) ?? ""
    let stderr = String(data: errData, encoding: .utf8) ?? ""
    
    task.waitUntilExit()
    
    return (stdout, stderr)
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Function to execute binary with arguments.
Returns tuple where first element is stdout and second is stderr.
### Response:
```swift
func execute(binary: String, arguments: [String]) -> (String, String) {
    let task = Process()
    task.launchPath = "/bin/bash"
    task.arguments = ["-c", "\(binary) \(arguments.joined(separator: " "))"]
    
    let outPipe = Pipe()
    let errPipe = Pipe()
    
    task.standardOutput = outPipe
    task.standardError = errPipe
    
    task.launch()
    
    let outData = outPipe.fileHandleForReading.readDataToEndOfFile()
    let errData = errPipe.fileHandleForReading.readDataToEndOfFile()
    
    let stdout = String(data: outData, encoding: .utf8) ?? ""
    let stderr = String(data: errData, encoding: .utf8) ?? ""
    
    task.waitUntilExit()
    
    return (stdout, stderr)
}
```

func execute(binary: String, arguments: [String]) -> (String, String) {
    let task = Process()
    task.launchPath = "/bin/bash"
    task.arguments = ["-c", "\(binary) \(arguments.joined(separator: " "))"]
    
    let outPipe = Pipe()
    let errPipe = Pipe()
    
    task.standardOutput = outPipe
    task.standardError = errPipe
    
    task.launch()
    
    let outData = outPipe.fileHandleForReading.readDataToEndOfFile()
    let errData = errPipe.fileHandleForReading.readDataToEndOfFile()
    
    let stdout = String(data: outData, encoding: .utf8) ?? ""
    let stderr = String(data: errData, encoding: .utf8) ?? ""
    
    task.waitUntilExit()
    
    return (stdout, stderr)
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Function to execute binary with arguments.
Returns tuple where first element is stdout and second is stderr.
### Response:
```swift
func execute(binary: String, arguments: [String]) -> (String, String) {
    let task = Process()
    task.launchPath = "/bin/bash"
    task.arguments = ["-c", "\(binary) \(arguments.joined(separator: " "))"]
    
    let outPipe = Pipe()
    let errPipe = Pipe()
    
    task.standardOutput = outPipe
    task.standardError = errPipe
    
    task.launch()
    
    let outData = outPipe.fileHandleForReading.readDataToEndOfFile()
    let errData = errPipe.fileHandleForReading.readDataToEndOfFile()
    
    let stdout = String(data: outData, encoding: .utf8) ?? ""
    let stderr = String(data: errData, encoding: .utf8) ?? ""
    
    task.waitUntilExit()
    
    return (stdout, stderr)
}
```

func execute(binary: String, arguments: [String]) -> (String, String) {
    let task = Process()
    task.launchPath = "/bin/bash"
    task.arguments = ["-c", "\(binary) \(arguments.joined(separator: " "))"]
    
    let outpipe = Pipe()
    let errpipe = Pipe()
    task.standardOutput = outpipe
    task.standardError = errpipe
    
    task.launch()
    
    let outdata = outpipe.fileHandleForReading.readDataToEndOfFile()
    let errdata = errpipe.fileHandleForReading.readDataToEndOfFile()
    
    let stdout = String(data: outdata, encoding: .utf8) ?? ""
    let stderr = String(data: errdata, encoding: .utf8) ?? ""
    
    task.waitUntilExit()
    
    return (stdout, stderr)
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Function to execute binary with arguments.
Returns tuple where first element is stdout and second is stderr.
### Response:
```swift
func execute(binary: String, arguments: [String]) -> (String, String) {
    let task = Process()
    task.launchPath = "/bin/bash"
    task.arguments = ["-c", "\(binary) \(arguments.joined(separator: " "))"]
    
    let outpipe = Pipe()
    let errpipe = Pipe()
    task.standardOutput = outpipe
    task.standardError = errpipe
    
    task.launch()
    
    let outdata = outpipe.fileHandleForReading.readDataToEndOfFile()
    let errdata = errpipe.fileHandleForReading.readDataToEndOfFile()
    
    let stdout = String(data: outdata, encoding: .utf8) ?? ""
    let stderr = String(data: errdata, encoding: .utf8) ?? ""
    
    task.waitUntilExit()
    
    return (stdout, stderr)
}
```

func execute(binary: String, arguments: [String]) -> (String, String) {
    let task = Process()
    task.launchPath = "/usr/bin/env"
    task.arguments = [binary] + arguments

    let out = Pipe()
    let err = Pipe()
    task.standardOutput = out
    task.standardError = err

    task.launch()

    let outData = out.fileHandleForReading.readDataToEndOfFile()
    let errData = err.fileHandleForReading.readDataToEndOfFile()

    let stdout = String(data: outData, encoding: .utf8) ?? ""
    let stderr = String(data: errData, encoding: .utf8) ?? ""

    task.waitUntilExit()

    return (stdout, stderr)
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Function to execute binary with arguments.
Returns tuple where first element is stdout and second is stderr.
### Response:
```swift
func execute(binary: String, arguments: [String]) -> (String, String) {
    let task = Process()
    task.launchPath = "/usr/bin/env"
    task.arguments = [binary] + arguments

    let out = Pipe()
    let err = Pipe()
    task.standardOutput = out
    task.standardError = err

    task.launch()

    let outData = out.fileHandleForReading.readDataToEndOfFile()
    let errData = err.fileHandleForReading.readDataToEndOfFile()

    let stdout = String(data: outData, encoding: .utf8) ?? ""
    let stderr = String(data: errData, encoding: .utf8) ?? ""

    task.waitUntilExit()

    return (stdout, stderr)
}
```

func memoize<T: Hashable, U>(_ function: @escaping (T) -> U) -> (T) -> U {
    var cache = [T: U]()
    return { param in
        if let cachedValue = cache[param] {
            return cachedValue
        } else {
            let result = function(param)
            cache[param] = result
            return result
        }
    }
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Memoization function that caches the results of expensive computations.
### Response:
```swift
func memoize<T: Hashable, U>(_ function: @escaping (T) -> U) -> (T) -> U {
    var cache = [T: U]()
    return { param in
        if let cachedValue = cache[param] {
            return cachedValue
        } else {
            let result = function(param)
            cache[param] = result
            return result
        }
    }
}
```

func memoize<T: Hashable, U>(_ function: @escaping (T) -> U) -> (T) -> U {
    var cache: [T: U] = [:]
    return { parameter in
        if let cachedResult = cache[parameter] {
            return cachedResult
        } else {
            let result = function(parameter)
            cache[parameter] = result
            return result
        }
    }
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Memoization function that caches the results of expensive computations.
### Response:
```swift
func memoize<T: Hashable, U>(_ function: @escaping (T) -> U) -> (T) -> U {
    var cache: [T: U] = [:]
    return { parameter in
        if let cachedResult = cache[parameter] {
            return cachedResult
        } else {
            let result = function(parameter)
            cache[parameter] = result
            return result
        }
    }
}
```

func memoize<T: Hashable, U>(_ function: @escaping (T) -> U) -> (T) -> U {
    var cache = [T: U]()
    return { param in
        if let cachedValue = cache[param] {
            return cachedValue
        } else {
            let result = function(param)
            cache[param] = result
            return result
        }
    }
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Memoization function that caches the results of expensive computations.
### Response:
```swift
func memoize<T: Hashable, U>(_ function: @escaping (T) -> U) -> (T) -> U {
    var cache = [T: U]()
    return { param in
        if let cachedValue = cache[param] {
            return cachedValue
        } else {
            let result = function(param)
            cache[param] = result
            return result
        }
    }
}
```

func memoize<T: Hashable, U>(_ function: @escaping (T) -> U) -> (T) -> U {
    var cache: [T: U] = [:]
    return { parameter in
        if let cachedResult = cache[parameter] {
            return cachedResult
        } else {
            let result = function(parameter)
            cache[parameter] = result
            return result
        }
    }
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Memoization function that caches the results of expensive computations.
### Response:
```swift
func memoize<T: Hashable, U>(_ function: @escaping (T) -> U) -> (T) -> U {
    var cache: [T: U] = [:]
    return { parameter in
        if let cachedResult = cache[parameter] {
            return cachedResult
        } else {
            let result = function(parameter)
            cache[parameter] = result
            return result
        }
    }
}
```

func memoize<T: Hashable, U>(_ function: @escaping (T) -> U) -> (T) -> U {
    var cache: [T: U] = [:]
    return { parameter in
        if let cachedResult = cache[parameter] {
            return cachedResult
        } else {
            let result = function(parameter)
            cache[parameter] = result
            return result
        }
    }
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Memoization function that caches the results of expensive computations.
### Response:
```swift
func memoize<T: Hashable, U>(_ function: @escaping (T) -> U) -> (T) -> U {
    var cache: [T: U] = [:]
    return { parameter in
        if let cachedResult = cache[parameter] {
            return cachedResult
        } else {
            let result = function(parameter)
            cache[parameter] = result
            return result
        }
    }
}
```

func memoize<T: Hashable, U>(_ function: @escaping (T) -> U) -> (T) -> U {
    var cache = [T: U]()
    return { parameter in
        if let cachedResult = cache[parameter] {
            return cachedResult
        } else {
            let result = function(parameter)
            cache[parameter] = result
            return result
        }
    }
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Memoization function that caches the results of expensive computations.
### Response:
```swift
func memoize<T: Hashable, U>(_ function: @escaping (T) -> U) -> (T) -> U {
    var cache = [T: U]()
    return { parameter in
        if let cachedResult = cache[parameter] {
            return cachedResult
        } else {
            let result = function(parameter)
            cache[parameter] = result
            return result
        }
    }
}
```

func memoize<T: Hashable, U>(_ function: @escaping (T) -> U) -> (T) -> U {
    var cache = [T: U]()
    return { param in
        if let cachedResult = cache[param] {
            return cachedResult
        } else {
            let result = function(param)
            cache[param] = result
            return result
        }
    }
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Memoization function that caches the results of expensive computations.
### Response:
```swift
func memoize<T: Hashable, U>(_ function: @escaping (T) -> U) -> (T) -> U {
    var cache = [T: U]()
    return { param in
        if let cachedResult = cache[param] {
            return cachedResult
        } else {
            let result = function(param)
            cache[param] = result
            return result
        }
    }
}
```

func memoize<T: Hashable, U>(_ function: @escaping (T) -> U) -> (T) -> U {
    var cache = [T: U]()
    return { parameter in
        if let cachedResult = cache[parameter] {
            return cachedResult
        } else {
            let result = function(parameter)
            cache[parameter] = result
            return result
        }
    }
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Memoization function that caches the results of expensive computations.
### Response:
```swift
func memoize<T: Hashable, U>(_ function: @escaping (T) -> U) -> (T) -> U {
    var cache = [T: U]()
    return { parameter in
        if let cachedResult = cache[parameter] {
            return cachedResult
        } else {
            let result = function(parameter)
            cache[parameter] = result
            return result
        }
    }
}
```

func memoize<T: Hashable, U>(_ function: @escaping (T) -> U) -> (T) -> U {
    var cache = [T: U]()
    return { parameter in
        if let cachedResult = cache[parameter] {
            return cachedResult
        } else {
            let result = function(parameter)
            cache[parameter] = result
            return result
        }
    }
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Memoization function that caches the results of expensive computations.
### Response:
```swift
func memoize<T: Hashable, U>(_ function: @escaping (T) -> U) -> (T) -> U {
    var cache = [T: U]()
    return { parameter in
        if let cachedResult = cache[parameter] {
            return cachedResult
        } else {
            let result = function(parameter)
            cache[parameter] = result
            return result
        }
    }
}
```

func memoize<T: Hashable, U>(_ function: @escaping (T) -> U) -> (T) -> U {
    var cache = [T: U]()
    return { param in
        if let cachedValue = cache[param] {
            return cachedValue
        } else {
            let result = function(param)
            cache[param] = result
            return result
        }
    }
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Memoization function that caches the results of expensive computations.
### Response:
```swift
func memoize<T: Hashable, U>(_ function: @escaping (T) -> U) -> (T) -> U {
    var cache = [T: U]()
    return { param in
        if let cachedValue = cache[param] {
            return cachedValue
        } else {
            let result = function(param)
            cache[param] = result
            return result
        }
    }
}
```

func retry<T>(attempts: Int, task: @escaping () throws -> T) throws -> T {
    var attempt = 0
    repeat {
        attempt += 1
        let result = try task()
        return result
    } while attempt < attempts
    throw RetryError.maxAttemptsExceeded
}

enum RetryError: Error {
    case maxAttemptsExceeded
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Retry mechanism that retries a task a specified number of times before failing.
### Response:
```swift
func retry<T>(attempts: Int, task: @escaping () throws -> T) throws -> T {
    var attempt = 0
    repeat {
        attempt += 1
        let result = try task()
        return result
    } while attempt < attempts
    throw RetryError.maxAttemptsExceeded
}

enum RetryError: Error {
    case maxAttemptsExceeded
}
```

func retry<T>(attempts: Int, task: @escaping () throws -> T) throws -> T {
    var remainingAttempts = attempts
    while true {
        do {
            return try task()
        } catch {
            if remainingAttempts <= 0 {
                throw error
            }
            remainingAttempts -= 1
        }
    }
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Retry mechanism that retries a task a specified number of times before failing.
### Response:
```swift
func retry<T>(attempts: Int, task: @escaping () throws -> T) throws -> T {
    var remainingAttempts = attempts
    while true {
        do {
            return try task()
        } catch {
            if remainingAttempts <= 0 {
                throw error
            }
            remainingAttempts -= 1
        }
    }
}
```

func retry<T>(attempts: Int, task: @escaping () throws -> T) throws -> T {
    var remainingAttempts = attempts
    while true {
        do {
            return try task()
        } catch {
            remainingAttempts -= 1
            if remainingAttempts <= 0 {
                throw error
            }
        }
    }
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Retry mechanism that retries a task a specified number of times before failing.
### Response:
```swift
func retry<T>(attempts: Int, task: @escaping () throws -> T) throws -> T {
    var remainingAttempts = attempts
    while true {
        do {
            return try task()
        } catch {
            remainingAttempts -= 1
            if remainingAttempts <= 0 {
                throw error
            }
        }
    }
}
```

func retry<T>(attempts: Int, task: @escaping () throws -> T) throws -> T {
    for _ in 0..<attempts {
        do {
            return try task()
        } catch {
            continue
        }
    }
    throw NSError(domain: "", code: 0, userInfo: [NSLocalizedDescriptionKey: "Retry attempts exceeded"])
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Retry mechanism that retries a task a specified number of times before failing.
### Response:
```swift
func retry<T>(attempts: Int, task: @escaping () throws -> T) throws -> T {
    for _ in 0..<attempts {
        do {
            return try task()
        } catch {
            continue
        }
    }
    throw NSError(domain: "", code: 0, userInfo: [NSLocalizedDescriptionKey: "Retry attempts exceeded"])
}
```

func retry<T>(attempts: Int, task: @escaping () throws -> T) throws -> T {
    for _ in 0..<attempts {
        do {
            return try task()
        } catch {
            // Log the error or handle it as needed
            print("Error: \(error)")
        }
    }
    
    // If we've reached here, all attempts have failed
    throw RetryError.allAttemptsFailed
}

enum RetryError: Error {
    case allAttemptsFailed
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Retry mechanism that retries a task a specified number of times before failing.
### Response:
```swift
func retry<T>(attempts: Int, task: @escaping () throws -> T) throws -> T {
    for _ in 0..<attempts {
        do {
            return try task()
        } catch {
            // Log the error or handle it as needed
            print("Error: \(error)")
        }
    }
    
    // If we've reached here, all attempts have failed
    throw RetryError.allAttemptsFailed
}

enum RetryError: Error {
    case allAttemptsFailed
}
```

func retry<T>(attempts: Int, task: @escaping () throws -> T) throws -> T {
    for _ in 0..<attempts {
        do {
            return try task()
        } catch {
            continue
        }
    }
    
    throw NSError(domain: "", code: 0, userInfo: [NSLocalizedDescriptionKey: "Failed after \(attempts) attempts"])
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Retry mechanism that retries a task a specified number of times before failing.
### Response:
```swift
func retry<T>(attempts: Int, task: @escaping () throws -> T) throws -> T {
    for _ in 0..<attempts {
        do {
            return try task()
        } catch {
            continue
        }
    }
    
    throw NSError(domain: "", code: 0, userInfo: [NSLocalizedDescriptionKey: "Failed after \(attempts) attempts"])
}
```

func retry<T>(attempts: Int, task: @escaping () throws -> T) throws -> T {
    for _ in 0..<attempts {
        do {
            return try task()
        } catch {
            continue
        }
    }
    
    throw NSError(domain: "", code: 0, userInfo: [NSLocalizedDescriptionKey: "Failed to execute task after \(attempts) attempts."])
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Retry mechanism that retries a task a specified number of times before failing.
### Response:
```swift
func retry<T>(attempts: Int, task: @escaping () throws -> T) throws -> T {
    for _ in 0..<attempts {
        do {
            return try task()
        } catch {
            continue
        }
    }
    
    throw NSError(domain: "", code: 0, userInfo: [NSLocalizedDescriptionKey: "Failed to execute task after \(attempts) attempts."])
}
```

func retry<T>(attempts: Int, task: @escaping () throws -> T) throws -> T {
    for _ in 0..<attempts {
        do {
            return try task()
        } catch {
            continue
        }
    }
    
    throw NSError(domain: "", code: 0, userInfo: [NSLocalizedDescriptionKey: "Failed to complete task after \(attempts) attempts."])
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Retry mechanism that retries a task a specified number of times before failing.
### Response:
```swift
func retry<T>(attempts: Int, task: @escaping () throws -> T) throws -> T {
    for _ in 0..<attempts {
        do {
            return try task()
        } catch {
            continue
        }
    }
    
    throw NSError(domain: "", code: 0, userInfo: [NSLocalizedDescriptionKey: "Failed to complete task after \(attempts) attempts."])
}
```

func retry<T>(attempts: Int, task: @escaping () throws -> T) throws -> T {
    var remainingAttempts = attempts
    while true {
        do {
            return try task()
        } catch {
            if remainingAttempts <= 0 {
                throw error
            }
            remainingAttempts -= 1
        }
    }
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Retry mechanism that retries a task a specified number of times before failing.
### Response:
```swift
func retry<T>(attempts: Int, task: @escaping () throws -> T) throws -> T {
    var remainingAttempts = attempts
    while true {
        do {
            return try task()
        } catch {
            if remainingAttempts <= 0 {
                throw error
            }
            remainingAttempts -= 1
        }
    }
}
```

func retry<T>(attempts: Int, task: @escaping () throws -> T) throws -> T {
    for _ in 0..<attempts {
        do {
            return try task()
        } catch {
            continue
        }
    }
    throw NSError(domain: "", code: 0, userInfo: [NSLocalizedDescriptionKey: "Failed after \(attempts) attempts"])
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Retry mechanism that retries a task a specified number of times before failing.
### Response:
```swift
func retry<T>(attempts: Int, task: @escaping () throws -> T) throws -> T {
    for _ in 0..<attempts {
        do {
            return try task()
        } catch {
            continue
        }
    }
    throw NSError(domain: "", code: 0, userInfo: [NSLocalizedDescriptionKey: "Failed after \(attempts) attempts"])
}
```

protocol DIContainerProtocol {
    func register<T>(_ type: T.Type, factory: @escaping () -> T)
    func resolve<T>(_ type: T.Type) -> T?
}

class DIContainer: DIContainerProtocol {
    private var factories = [String.Type: () -> Any]()

    func register<T>(_ type: T.Type, factory: @escaping () -> T) {
        factories[T.self] = factory
    }

    func resolve<T>(_ type: T.Type) -> T? {
        if let factory = factories[T.self] as? () -> T {
            return factory()
        }
        return nil
    }
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Simple dependency injection (DI) container.
### Response:
```swift
protocol DIContainerProtocol {
    func register<T>(_ type: T.Type, factory: @escaping () -> T)
    func resolve<T>(_ type: T.Type) -> T?
}

class DIContainer: DIContainerProtocol {
    private var factories = [String.Type: () -> Any]()

    func register<T>(_ type: T.Type, factory: @escaping () -> T) {
        factories[T.self] = factory
    }

    func resolve<T>(_ type: T.Type) -> T? {
        if let factory = factories[T.self] as? () -> T {
            return factory()
        }
        return nil
    }
}
```

protocol DIContainerProtocol {
    func register<T>(_ type: T.Type, factory: @escaping () -> T)
    func resolve<T>(_ type: T.Type) -> T?
}

class DIContainer: DIContainerProtocol {
    private var factories = [String.Type: () -> Any]()

    func register<T>(_ type: T.Type, factory: @escaping () -> T) {
        factories[T.self] = factory
    }

    func resolve<T>(_ type: T.Type) -> T? {
        if let factory = factories[T.self] as? () -> T {
            return factory()
        }
        return nil
    }
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Simple dependency injection (DI) container.
### Response:
```swift
protocol DIContainerProtocol {
    func register<T>(_ type: T.Type, factory: @escaping () -> T)
    func resolve<T>(_ type: T.Type) -> T?
}

class DIContainer: DIContainerProtocol {
    private var factories = [String.Type: () -> Any]()

    func register<T>(_ type: T.Type, factory: @escaping () -> T) {
        factories[T.self] = factory
    }

    func resolve<T>(_ type: T.Type) -> T? {
        if let factory = factories[T.self] as? () -> T {
            return factory()
        }
        return nil
    }
}
```

protocol DIContainerProtocol {
    func register<T>(_ type: T.Type, factory: @escaping () -> T)
    func resolve<T>(_ type: T.Type) -> T?
}

class DIContainer: DIContainerProtocol {
    private var factories = [String.Type: () -> Any]()

    func register<T>(_ type: T.Type, factory: @escaping () -> T) {
        factories[type] = factory
    }

    func resolve<T>(_ type: T.Type) -> T? {
        if let factory = factories[type] as? () -> T {
            return factory()
        }
        return nil
    }
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Simple dependency injection (DI) container.
### Response:
```swift
protocol DIContainerProtocol {
    func register<T>(_ type: T.Type, factory: @escaping () -> T)
    func resolve<T>(_ type: T.Type) -> T?
}

class DIContainer: DIContainerProtocol {
    private var factories = [String.Type: () -> Any]()

    func register<T>(_ type: T.Type, factory: @escaping () -> T) {
        factories[type] = factory
    }

    func resolve<T>(_ type: T.Type) -> T? {
        if let factory = factories[type] as? () -> T {
            return factory()
        }
        return nil
    }
}
```

protocol DIContainerProtocol {
    func register<T>(_ type: T.Type, factory: @escaping () -> T)
    func resolve<T>(_ type: T.Type) -> T?
}

class DIContainer: DIContainerProtocol {
    private var factories = [String.Type: () -> Any]()
    
    func register<T>(_ type: T.Type, factory: @escaping () -> T) {
        factories[T.self] = factory
    }
    
    func resolve<T>(_ type: T.Type) -> T? {
        if let factory = factories[T.self] as? () -> T {
            return factory()
        }
        return nil
    }
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Simple dependency injection (DI) container.
### Response:
```swift
protocol DIContainerProtocol {
    func register<T>(_ type: T.Type, factory: @escaping () -> T)
    func resolve<T>(_ type: T.Type) -> T?
}

class DIContainer: DIContainerProtocol {
    private var factories = [String.Type: () -> Any]()
    
    func register<T>(_ type: T.Type, factory: @escaping () -> T) {
        factories[T.self] = factory
    }
    
    func resolve<T>(_ type: T.Type) -> T? {
        if let factory = factories[T.self] as? () -> T {
            return factory()
        }
        return nil
    }
}
```

protocol DIContainerProtocol {
    func register<T>(_ type: T.Type, factory: @escaping () -> T)
    func resolve<T>(_ type: T.Type) -> T?
}

class DIContainer: DIContainerProtocol {
    private var factories = [String.Type: () -> Any]()

    func register<T>(_ type: T.Type, factory: @escaping () -> T) {
        factories[type] = factory
    }

    func resolve<T>(_ type: T.Type) -> T? {
        if let factory = factories[type] as? () -> T {
            return factory()
        }
        return nil
    }
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Simple dependency injection (DI) container.
### Response:
```swift
protocol DIContainerProtocol {
    func register<T>(_ type: T.Type, factory: @escaping () -> T)
    func resolve<T>(_ type: T.Type) -> T?
}

class DIContainer: DIContainerProtocol {
    private var factories = [String.Type: () -> Any]()

    func register<T>(_ type: T.Type, factory: @escaping () -> T) {
        factories[type] = factory
    }

    func resolve<T>(_ type: T.Type) -> T? {
        if let factory = factories[type] as? () -> T {
            return factory()
        }
        return nil
    }
}
```

protocol DIContainerProtocol {
    func register<T>(_ type: T.Type, factory: @escaping () -> T)
    func resolve<T>(_ type: T.Type) -> T?
}

class DIContainer: DIContainerProtocol {
    private var factories = [String.Type: () -> Any]()

    func register<T>(_ type: T.Type, factory: @escaping () -> T) {
        factories[T.self] = factory
    }

    func resolve<T>(_ type: T.Type) -> T? {
        if let factory = factories[T.self] as? () -> T {
            return factory()
        }
        return nil
    }
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Simple dependency injection (DI) container.
### Response:
```swift
protocol DIContainerProtocol {
    func register<T>(_ type: T.Type, factory: @escaping () -> T)
    func resolve<T>(_ type: T.Type) -> T?
}

class DIContainer: DIContainerProtocol {
    private var factories = [String.Type: () -> Any]()

    func register<T>(_ type: T.Type, factory: @escaping () -> T) {
        factories[T.self] = factory
    }

    func resolve<T>(_ type: T.Type) -> T? {
        if let factory = factories[T.self] as? () -> T {
            return factory()
        }
        return nil
    }
}
```

protocol DIContainerProtocol {
    func register<T>(_ type: T.Type, factory: @escaping () -> T)
    func resolve<T>(_ type: T.Type) -> T?
}

class DIContainer: DIContainerProtocol {
    private var factories: [String: () -> Any] = [:]
    
    func register<T>(_ type: T.Type, factory: @escaping () -> T) {
        factories[String(describing: type)] = factory
    }
    
    func resolve<T>(_ type: T.Type) -> T? {
        if let factory = factories[String(describing: type)] as? () -> T {
            return factory()
        }
        return nil
    }
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Simple dependency injection (DI) container.
### Response:
```swift
protocol DIContainerProtocol {
    func register<T>(_ type: T.Type, factory: @escaping () -> T)
    func resolve<T>(_ type: T.Type) -> T?
}

class DIContainer: DIContainerProtocol {
    private var factories: [String: () -> Any] = [:]
    
    func register<T>(_ type: T.Type, factory: @escaping () -> T) {
        factories[String(describing: type)] = factory
    }
    
    func resolve<T>(_ type: T.Type) -> T? {
        if let factory = factories[String(describing: type)] as? () -> T {
            return factory()
        }
        return nil
    }
}
```

protocol DIContainerProtocol {
    func register<T>(_ type: T.Type, factory: @escaping () -> T)
    func resolve<T>(_ type: T.Type) -> T?
}

class DIContainer: DIContainerProtocol {
    private var factories = [String.Type: () -> Any]()
    
    func register<T>(_ type: T.Type, factory: @escaping () -> T) {
        factories[T.self] = factory
    }
    
    func resolve<T>(_ type: T.Type) -> T? {
        if let factory = factories[T.self] as? () -> T {
            return factory()
        }
        return nil
    }
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Simple dependency injection (DI) container.
### Response:
```swift
protocol DIContainerProtocol {
    func register<T>(_ type: T.Type, factory: @escaping () -> T)
    func resolve<T>(_ type: T.Type) -> T?
}

class DIContainer: DIContainerProtocol {
    private var factories = [String.Type: () -> Any]()
    
    func register<T>(_ type: T.Type, factory: @escaping () -> T) {
        factories[T.self] = factory
    }
    
    func resolve<T>(_ type: T.Type) -> T? {
        if let factory = factories[T.self] as? () -> T {
            return factory()
        }
        return nil
    }
}
```

protocol DIContainerProtocol {
    func register<T>(_ type: T.Type, factory: @escaping () -> T)
    func resolve<T>(_ type: T.Type) -> T?
}

class DIContainer: DIContainerProtocol {
    private var factories: [String: () -> Any] = [:]

    func register<T>(_ type: T.Type, factory: @escaping () -> T) {
        factories[String(describing: type)] = factory as () -> Any
    }

    func resolve<T>(_ type: T.Type) -> T? {
        if let factory = factories[String(describing: type)] as? () -> T {
            return factory()
        }
        return nil
    }
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Simple dependency injection (DI) container.
### Response:
```swift
protocol DIContainerProtocol {
    func register<T>(_ type: T.Type, factory: @escaping () -> T)
    func resolve<T>(_ type: T.Type) -> T?
}

class DIContainer: DIContainerProtocol {
    private var factories: [String: () -> Any] = [:]

    func register<T>(_ type: T.Type, factory: @escaping () -> T) {
        factories[String(describing: type)] = factory as () -> Any
    }

    func resolve<T>(_ type: T.Type) -> T? {
        if let factory = factories[String(describing: type)] as? () -> T {
            return factory()
        }
        return nil
    }
}
```

protocol DIContainerProtocol {
    func register<T>(_ type: T.Type, factory: @escaping () -> T)
    func resolve<T>(_ type: T.Type) -> T?
}

class DIContainer: DIContainerProtocol {
    private var factories = [String.Type: () -> Any]()

    func register<T>(_ type: T.Type, factory: @escaping () -> T) {
        factories[T.self] = factory
    }

    func resolve<T>(_ type: T.Type) -> T? {
        if let factory = factories[T.self] as? () -> T {
            return factory()
        }
        return nil
    }
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Simple dependency injection (DI) container.
### Response:
```swift
protocol DIContainerProtocol {
    func register<T>(_ type: T.Type, factory: @escaping () -> T)
    func resolve<T>(_ type: T.Type) -> T?
}

class DIContainer: DIContainerProtocol {
    private var factories = [String.Type: () -> Any]()

    func register<T>(_ type: T.Type, factory: @escaping () -> T) {
        factories[T.self] = factory
    }

    func resolve<T>(_ type: T.Type) -> T? {
        if let factory = factories[T.self] as? () -> T {
            return factory()
        }
        return nil
    }
}
```

protocol StateMachineProtocol {
    associatedtype State: Hashable
    associatedtype Event: Hashable
    init(state: State)
    var state: State { get }
    func trigger(event: Event)
    func registerTransition(from: State, to: State, event: Event)
}

class StateMachine<State: Hashable, Event: Hashable>: StateMachineProtocol {
    typealias Transition = (State, Event) -> State?
    var state: State
    private var transitions: [Transition] = []

    init(state: State) {
        self.state = state
    }

    func trigger(event: Event) {
        if let newState = self.transitions.compactMap { $0(self.state, event) }.first {
            self.state = newState
        }
    }

    func registerTransition(from: State, to: State, event: Event) {
        let transition: Transition = { currentState, currentEvent in
            if currentState == from && currentEvent == event {
                return to
            }
            return nil
        }
        self.transitions.append(transition)
    }
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Finite state machine with possibility to register custom transitions between states.
### Response:
```swift
protocol StateMachineProtocol {
    associatedtype State: Hashable
    associatedtype Event: Hashable
    init(state: State)
    var state: State { get }
    func trigger(event: Event)
    func registerTransition(from: State, to: State, event: Event)
}

class StateMachine<State: Hashable, Event: Hashable>: StateMachineProtocol {
    typealias Transition = (State, Event) -> State?
    var state: State
    private var transitions: [Transition] = []

    init(state: State) {
        self.state = state
    }

    func trigger(event: Event) {
        if let newState = self.transitions.compactMap { $0(self.state, event) }.first {
            self.state = newState
        }
    }

    func registerTransition(from: State, to: State, event: Event) {
        let transition: Transition = { currentState, currentEvent in
            if currentState == from && currentEvent == event {
                return to
            }
            return nil
        }
        self.transitions.append(transition)
    }
}
```

protocol StateMachineProtocol {
    associatedtype State: Hashable
    associatedtype Event: Hashable
    init(state: State)
    var state: State { get }
    func trigger(event: Event)
    func registerTransition(from: State, to: State, event: Event)
}

class StateMachine<State: Hashable, Event: Hashable>: StateMachineProtocol {
    typealias State = State
    typealias Event = Event
    
    private var transitions: [(State, Event): State] = [:]
    var state: State
    
    init(state: State) {
        self.state = state
    }
    
    func trigger(event: Event) {
        if let nextState = transitions[(state, event)] {
            state = nextState
        }
    }
    
    func registerTransition(from: State, to: State, event: Event) {
        transitions[(from, event)] = to
    }
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Finite state machine with possibility to register custom transitions between states.
### Response:
```swift
protocol StateMachineProtocol {
    associatedtype State: Hashable
    associatedtype Event: Hashable
    init(state: State)
    var state: State { get }
    func trigger(event: Event)
    func registerTransition(from: State, to: State, event: Event)
}

class StateMachine<State: Hashable, Event: Hashable>: StateMachineProtocol {
    typealias State = State
    typealias Event = Event
    
    private var transitions: [(State, Event): State] = [:]
    var state: State
    
    init(state: State) {
        self.state = state
    }
    
    func trigger(event: Event) {
        if let nextState = transitions[(state, event)] {
            state = nextState
        }
    }
    
    func registerTransition(from: State, to: State, event: Event) {
        transitions[(from, event)] = to
    }
}
```

protocol StateMachineProtocol {
    associatedtype State: Hashable
    associatedtype Event: Hashable
    init(state: State)
    var state: State { get }
    func trigger(event: Event)
    func registerTransition(from: State, to: State, event: Event)
}

class StateMachine<State: Hashable, Event: Hashable>: StateMachineProtocol {
    typealias Transition = (State, Event) -> State?
    var state: State
    private var transitions: [Transition] = []

    init(state: State) {
        self.state = state
    }

    func trigger(event: Event) {
        if let newState = self.transitions.compactMap { $0(self.state, event) }.first {
            self.state = newState
        }
    }

    func registerTransition(from: State, to: State, event: Event) {
        let transition: Transition = { currentState, currentEvent in
            if currentState == from && currentEvent == event {
                return to
            }
            return nil
        }
        self.transitions.append(transition)
    }
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Finite state machine with possibility to register custom transitions between states.
### Response:
```swift
protocol StateMachineProtocol {
    associatedtype State: Hashable
    associatedtype Event: Hashable
    init(state: State)
    var state: State { get }
    func trigger(event: Event)
    func registerTransition(from: State, to: State, event: Event)
}

class StateMachine<State: Hashable, Event: Hashable>: StateMachineProtocol {
    typealias Transition = (State, Event) -> State?
    var state: State
    private var transitions: [Transition] = []

    init(state: State) {
        self.state = state
    }

    func trigger(event: Event) {
        if let newState = self.transitions.compactMap { $0(self.state, event) }.first {
            self.state = newState
        }
    }

    func registerTransition(from: State, to: State, event: Event) {
        let transition: Transition = { currentState, currentEvent in
            if currentState == from && currentEvent == event {
                return to
            }
            return nil
        }
        self.transitions.append(transition)
    }
}
```

protocol StateMachineProtocol {
    associatedtype State: Hashable
    associatedtype Event: Hashable
    init(state: State)
    var state: State { get }
    func trigger(event: Event)
    func registerTransition(from: State, to: State, event: Event)
}

class StateMachine<State: Hashable, Event: Hashable>: StateMachineProtocol {
    typealias Transition = (State, Event) -> State?
    var transitions: [Transition] = []
    var state: State
    
    init(state: State) {
        self.state = state
    }
    
    func trigger(event: Event) {
        if let newState = self.transitions.compactMap { $0(self.state, event) }.first {
            self.state = newState
        }
    }
    
    func registerTransition(from: State, to: State, event: Event) {
        let transition: Transition = { currentState, currentEvent in
            if currentState == from && currentEvent == event {
                return to
            }
            return nil
        }
        self.transitions.append(transition)
    }
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Finite state machine with possibility to register custom transitions between states.
### Response:
```swift
protocol StateMachineProtocol {
    associatedtype State: Hashable
    associatedtype Event: Hashable
    init(state: State)
    var state: State { get }
    func trigger(event: Event)
    func registerTransition(from: State, to: State, event: Event)
}

class StateMachine<State: Hashable, Event: Hashable>: StateMachineProtocol {
    typealias Transition = (State, Event) -> State?
    var transitions: [Transition] = []
    var state: State
    
    init(state: State) {
        self.state = state
    }
    
    func trigger(event: Event) {
        if let newState = self.transitions.compactMap { $0(self.state, event) }.first {
            self.state = newState
        }
    }
    
    func registerTransition(from: State, to: State, event: Event) {
        let transition: Transition = { currentState, currentEvent in
            if currentState == from && currentEvent == event {
                return to
            }
            return nil
        }
        self.transitions.append(transition)
    }
}
```

protocol StateMachineProtocol {
    associatedtype State: Hashable
    associatedtype Event: Hashable
    init(state: State)
    var state: State { get }
    func trigger(event: Event)
    func registerTransition(from: State, to: State, event: Event)
}

class StateMachine<State: Hashable, Event: Hashable>: StateMachineProtocol {
    typealias State = State
    typealias Event = Event
    
    var state: State
    private var transitions: [(State, Event): State] = [:]
    
    init(state: State) {
        self.state = state
    }
    
    func trigger(event: Event) {
        if let nextState = transitions[(state, event)] {
            state = nextState
        }
    }
    
    func registerTransition(from: State, to: State, event: Event) {
        transitions[(from, event)] = to
    }
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Finite state machine with possibility to register custom transitions between states.
### Response:
```swift
protocol StateMachineProtocol {
    associatedtype State: Hashable
    associatedtype Event: Hashable
    init(state: State)
    var state: State { get }
    func trigger(event: Event)
    func registerTransition(from: State, to: State, event: Event)
}

class StateMachine<State: Hashable, Event: Hashable>: StateMachineProtocol {
    typealias State = State
    typealias Event = Event
    
    var state: State
    private var transitions: [(State, Event): State] = [:]
    
    init(state: State) {
        self.state = state
    }
    
    func trigger(event: Event) {
        if let nextState = transitions[(state, event)] {
            state = nextState
        }
    }
    
    func registerTransition(from: State, to: State, event: Event) {
        transitions[(from, event)] = to
    }
}
```

protocol StateMachineProtocol {
    associatedtype State: Hashable
    associatedtype Event: Hashable
    init(state: State)
    var state: State { get }
    func trigger(event: Event)
    func registerTransition(from: State, to: State, event: Event)
}

class StateMachine<State: Hashable, Event: Hashable>: StateMachineProtocol {
    typealias State = State
    typealias Event = Event
    
    var state: State
    private var transitions: [(State, Event): State] = [:]
    
    init(state: State) {
        self.state = state
    }
    
    func trigger(event: Event) {
        if let nextState = transitions[(state, event)] {
            state = nextState
        }
    }
    
    func registerTransition(from: State, to: State, event: Event) {
        transitions[(from, event)] = to
    }
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Finite state machine with possibility to register custom transitions between states.
### Response:
```swift
protocol StateMachineProtocol {
    associatedtype State: Hashable
    associatedtype Event: Hashable
    init(state: State)
    var state: State { get }
    func trigger(event: Event)
    func registerTransition(from: State, to: State, event: Event)
}

class StateMachine<State: Hashable, Event: Hashable>: StateMachineProtocol {
    typealias State = State
    typealias Event = Event
    
    var state: State
    private var transitions: [(State, Event): State] = [:]
    
    init(state: State) {
        self.state = state
    }
    
    func trigger(event: Event) {
        if let nextState = transitions[(state, event)] {
            state = nextState
        }
    }
    
    func registerTransition(from: State, to: State, event: Event) {
        transitions[(from, event)] = to
    }
}
```

protocol StateMachineProtocol {
    associatedtype State: Hashable
    associatedtype Event: Hashable
    init(state: State)
    var state: State { get }
    func trigger(event: Event)
    func registerTransition(from: State, to: State, event: Event)
}

class StateMachine<State: Hashable, Event: Hashable>: StateMachineProtocol {
    typealias Transition = (State, Event) -> State?
    var state: State
    private var transitions: [Transition] = []

    init(state: State) {
        self.state = state
    }

    func trigger(event: Event) {
        if let newState = self.transitions.compactMap { $0(self.state, event) }.first {
            self.state = newState
        }
    }

    func registerTransition(from: State, to: State, event: Event) {
        let transition: Transition = { currentState, currentEvent in
            if currentState == from && currentEvent == event {
                return to
            }
            return nil
        }
        self.transitions.append(transition)
    }
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Finite state machine with possibility to register custom transitions between states.
### Response:
```swift
protocol StateMachineProtocol {
    associatedtype State: Hashable
    associatedtype Event: Hashable
    init(state: State)
    var state: State { get }
    func trigger(event: Event)
    func registerTransition(from: State, to: State, event: Event)
}

class StateMachine<State: Hashable, Event: Hashable>: StateMachineProtocol {
    typealias Transition = (State, Event) -> State?
    var state: State
    private var transitions: [Transition] = []

    init(state: State) {
        self.state = state
    }

    func trigger(event: Event) {
        if let newState = self.transitions.compactMap { $0(self.state, event) }.first {
            self.state = newState
        }
    }

    func registerTransition(from: State, to: State, event: Event) {
        let transition: Transition = { currentState, currentEvent in
            if currentState == from && currentEvent == event {
                return to
            }
            return nil
        }
        self.transitions.append(transition)
    }
}
```

protocol StateMachineProtocol {
    associatedtype State: Hashable
    associatedtype Event: Hashable
    init(state: State)
    var state: State { get }
    func trigger(event: Event)
    func registerTransition(from: State, to: State, event: Event)
}

class StateMachine<State: Hashable, Event: Hashable>: StateMachineProtocol {
    typealias Transition = (State, Event) -> State?
    var state: State
    private var transitions: [Transition] = []

    init(state: State) {
        self.state = state
    }

    func trigger(event: Event) {
        if let newState = self.transitions.compactMap { $0(self.state, event) }.first {
            self.state = newState
        }
    }

    func registerTransition(from: State, to: State, event: Event) {
        let transition: Transition = { currentState, currentEvent in
            if currentState == from && currentEvent == event {
                return to
            }
            return nil
        }
        self.transitions.append(transition)
    }
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Finite state machine with possibility to register custom transitions between states.
### Response:
```swift
protocol StateMachineProtocol {
    associatedtype State: Hashable
    associatedtype Event: Hashable
    init(state: State)
    var state: State { get }
    func trigger(event: Event)
    func registerTransition(from: State, to: State, event: Event)
}

class StateMachine<State: Hashable, Event: Hashable>: StateMachineProtocol {
    typealias Transition = (State, Event) -> State?
    var state: State
    private var transitions: [Transition] = []

    init(state: State) {
        self.state = state
    }

    func trigger(event: Event) {
        if let newState = self.transitions.compactMap { $0(self.state, event) }.first {
            self.state = newState
        }
    }

    func registerTransition(from: State, to: State, event: Event) {
        let transition: Transition = { currentState, currentEvent in
            if currentState == from && currentEvent == event {
                return to
            }
            return nil
        }
        self.transitions.append(transition)
    }
}
```

protocol StateMachineProtocol {
    associatedtype State: Hashable
    associatedtype Event: Hashable
    init(state: State)
    var state: State { get }
    func trigger(event: Event)
    func registerTransition(from: State, to: State, event: Event)
}

class StateMachine<State: Hashable, Event: Hashable>: StateMachineProtocol {
    typealias Transition = (State, Event) -> State?
    var state: State
    var transitions: [Transition] = []

    init(state: State) {
        self.state = state
    }

    func trigger(event: Event) {
        if let newState = self.transitions.compactMap { $0(self.state, event) }.first {
            self.state = newState
        }
    }

    func registerTransition(from: State, to: State, event: Event) {
        let transition: Transition = { currentState, currentEvent in
            if currentState == from && currentEvent == event {
                return to
            }
            return nil
        }
        self.transitions.append(transition)
    }
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Finite state machine with possibility to register custom transitions between states.
### Response:
```swift
protocol StateMachineProtocol {
    associatedtype State: Hashable
    associatedtype Event: Hashable
    init(state: State)
    var state: State { get }
    func trigger(event: Event)
    func registerTransition(from: State, to: State, event: Event)
}

class StateMachine<State: Hashable, Event: Hashable>: StateMachineProtocol {
    typealias Transition = (State, Event) -> State?
    var state: State
    var transitions: [Transition] = []

    init(state: State) {
        self.state = state
    }

    func trigger(event: Event) {
        if let newState = self.transitions.compactMap { $0(self.state, event) }.first {
            self.state = newState
        }
    }

    func registerTransition(from: State, to: State, event: Event) {
        let transition: Transition = { currentState, currentEvent in
            if currentState == from && currentEvent == event {
                return to
            }
            return nil
        }
        self.transitions.append(transition)
    }
}
```

protocol StateMachineProtocol {
    associatedtype State: Hashable
    associatedtype Event: Hashable
    init(state: State)
    var state: State { get }
    func trigger(event: Event)
    func registerTransition(from: State, to: State, event: Event)
}

class StateMachine<State: Hashable, Event: Hashable>: StateMachineProtocol {
    typealias Transition = (State, Event) -> State?
    var state: State
    private var transitions: [Transition] = []

    init(state: State) {
        self.state = state
    }

    func trigger(event: Event) {
        if let newState = self.transitions.compactMap { $0(self.state, event) }.first {
            self.state = newState
        }
    }

    func registerTransition(from: State, to: State, event: Event) {
        let transition: Transition = { currentState, currentEvent in
            if currentState == from && currentEvent == event {
                return to
            }
            return nil
        }
        self.transitions.append(transition)
    }
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Finite state machine with possibility to register custom transitions between states.
### Response:
```swift
protocol StateMachineProtocol {
    associatedtype State: Hashable
    associatedtype Event: Hashable
    init(state: State)
    var state: State { get }
    func trigger(event: Event)
    func registerTransition(from: State, to: State, event: Event)
}

class StateMachine<State: Hashable, Event: Hashable>: StateMachineProtocol {
    typealias Transition = (State, Event) -> State?
    var state: State
    private var transitions: [Transition] = []

    init(state: State) {
        self.state = state
    }

    func trigger(event: Event) {
        if let newState = self.transitions.compactMap { $0(self.state, event) }.first {
            self.state = newState
        }
    }

    func registerTransition(from: State, to: State, event: Event) {
        let transition: Transition = { currentState, currentEvent in
            if currentState == from && currentEvent == event {
                return to
            }
            return nil
        }
        self.transitions.append(transition)
    }
}
```

indirect enum FileSystemNode {
    case file(name: String, size: Int)
    case directory(name: String, contents: [FileSystemNode])
}

protocol FileSystemInfo {
    var totalSize: Int { get }
    var filesCount: Int { get }
    var treeDepth: Int { get }
}

extension FileSystemNode: FileSystemInfo {
    var totalSize: Int {
        switch self {
        case .file(_, let size):
            return size
        case .directory(_, let contents):
            return contents.map { $0.totalSize }.reduce(0, +)
        }
    }

    var filesCount: Int {
        switch self {
        case .file:
            return 1
        case .directory(_, let contents):
            return contents.map { $0.filesCount }.reduce(0, +)
        }
    }

    var treeDepth: Int {
        switch self {
        case .file:
            return 0
        case .directory(_, let contents):
            if contents.isEmpty {
                return 1
            } else {
                return 1 + contents.map { $0.treeDepth }.max()!
            }
        }
    }
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Abstract file system manager and metadata calculation.
Used to calculate total size of all files in file system, files count and file system tree depth.
### Response:
```swift
indirect enum FileSystemNode {
    case file(name: String, size: Int)
    case directory(name: String, contents: [FileSystemNode])
}

protocol FileSystemInfo {
    var totalSize: Int { get }
    var filesCount: Int { get }
    var treeDepth: Int { get }
}

extension FileSystemNode: FileSystemInfo {
    var totalSize: Int {
        switch self {
        case .file(_, let size):
            return size
        case .directory(_, let contents):
            return contents.map { $0.totalSize }.reduce(0, +)
        }
    }

    var filesCount: Int {
        switch self {
        case .file:
            return 1
        case .directory(_, let contents):
            return contents.map { $0.filesCount }.reduce(0, +)
        }
    }

    var treeDepth: Int {
        switch self {
        case .file:
            return 0
        case .directory(_, let contents):
            if contents.isEmpty {
                return 1
            } else {
                return 1 + contents.map { $0.treeDepth }.max()!
            }
        }
    }
}
```

indirect enum FileSystemNode {
    case file(name: String, size: Int)
    case directory(name: String, contents: [FileSystemNode])
}

protocol FileSystemInfo {
    var totalSize: Int { get }
    var filesCount: Int { get }
    var treeDepth: Int { get }
}

extension FileSystemNode: FileSystemInfo {
    var totalSize: Int {
        switch self {
        case .file(_, let size):
            return size
        case .directory(_, let contents):
            return contents.map { $0.totalSize }.reduce(0, +)
        }
    }

    var filesCount: Int {
        switch self {
        case .file:
            return 1
        case .directory(_, let contents):
            return contents.map { $0.filesCount }.reduce(0, +)
        }
    }

    var treeDepth: Int {
        switch self {
        case .file:
            return 0
        case .directory(_, let contents):
            if contents.isEmpty {
                return 1
            } else {
                return 1 + contents.map { $0.treeDepth }.max()!
            }
        }
    }
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Abstract file system manager and metadata calculation.
Used to calculate total size of all files in file system, files count and file system tree depth.
### Response:
```swift
indirect enum FileSystemNode {
    case file(name: String, size: Int)
    case directory(name: String, contents: [FileSystemNode])
}

protocol FileSystemInfo {
    var totalSize: Int { get }
    var filesCount: Int { get }
    var treeDepth: Int { get }
}

extension FileSystemNode: FileSystemInfo {
    var totalSize: Int {
        switch self {
        case .file(_, let size):
            return size
        case .directory(_, let contents):
            return contents.map { $0.totalSize }.reduce(0, +)
        }
    }

    var filesCount: Int {
        switch self {
        case .file:
            return 1
        case .directory(_, let contents):
            return contents.map { $0.filesCount }.reduce(0, +)
        }
    }

    var treeDepth: Int {
        switch self {
        case .file:
            return 0
        case .directory(_, let contents):
            if contents.isEmpty {
                return 1
            } else {
                return 1 + contents.map { $0.treeDepth }.max()!
            }
        }
    }
}
```

indirect enum FileSystemNode {
    case file(name: String, size: Int)
    case directory(name: String, contents: [FileSystemNode])
}

protocol FileSystemInfo {
    var totalSize: Int { get }
    var filesCount: Int { get }
    var treeDepth: Int { get }
}

extension FileSystemNode: FileSystemInfo {
    var totalSize: Int {
        switch self {
        case .file(_, let size):
            return size
        case .directory(_, let contents):
            return contents.map { $0.totalSize }.reduce(0, +)
        }
    }

    var filesCount: Int {
        switch self {
        case .file:
            return 1
        case .directory(_, let contents):
            return contents.map { $0.filesCount }.reduce(0, +)
        }
    }

    var treeDepth: Int {
        switch self {
        case .file:
            return 0
        case .directory(_, let contents):
            if contents.isEmpty {
                return 1
            } else {
                return 1 + contents.map { $0.treeDepth }.max()!
            }
        }
    }
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Abstract file system manager and metadata calculation.
Used to calculate total size of all files in file system, files count and file system tree depth.
### Response:
```swift
indirect enum FileSystemNode {
    case file(name: String, size: Int)
    case directory(name: String, contents: [FileSystemNode])
}

protocol FileSystemInfo {
    var totalSize: Int { get }
    var filesCount: Int { get }
    var treeDepth: Int { get }
}

extension FileSystemNode: FileSystemInfo {
    var totalSize: Int {
        switch self {
        case .file(_, let size):
            return size
        case .directory(_, let contents):
            return contents.map { $0.totalSize }.reduce(0, +)
        }
    }

    var filesCount: Int {
        switch self {
        case .file:
            return 1
        case .directory(_, let contents):
            return contents.map { $0.filesCount }.reduce(0, +)
        }
    }

    var treeDepth: Int {
        switch self {
        case .file:
            return 0
        case .directory(_, let contents):
            if contents.isEmpty {
                return 1
            } else {
                return 1 + contents.map { $0.treeDepth }.max()!
            }
        }
    }
}
```

indirect enum FileSystemNode {
    case file(name: String, size: Int)
    case directory(name: String, contents: [FileSystemNode])
}

protocol FileSystemInfo {
    var totalSize: Int { get }
    var filesCount: Int { get }
    var treeDepth: Int { get }
}

extension FileSystemNode: FileSystemInfo {
    var totalSize: Int {
        switch self {
        case .file(_, let size):
            return size
        case .directory(_, let contents):
            return contents.map { $0.totalSize }.reduce(0, +)
        }
    }

    var filesCount: Int {
        switch self {
        case .file:
            return 1
        case .directory(_, let contents):
            return contents.map { $0.filesCount }.reduce(0, +)
        }
    }

    var treeDepth: Int {
        switch self {
        case .file:
            return 0
        case .directory(_, let contents):
            if contents.isEmpty {
                return 1
            } else {
                return 1 + contents.map { $0.treeDepth }.max()!
            }
        }
    }
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Abstract file system manager and metadata calculation.
Used to calculate total size of all files in file system, files count and file system tree depth.
### Response:
```swift
indirect enum FileSystemNode {
    case file(name: String, size: Int)
    case directory(name: String, contents: [FileSystemNode])
}

protocol FileSystemInfo {
    var totalSize: Int { get }
    var filesCount: Int { get }
    var treeDepth: Int { get }
}

extension FileSystemNode: FileSystemInfo {
    var totalSize: Int {
        switch self {
        case .file(_, let size):
            return size
        case .directory(_, let contents):
            return contents.map { $0.totalSize }.reduce(0, +)
        }
    }

    var filesCount: Int {
        switch self {
        case .file:
            return 1
        case .directory(_, let contents):
            return contents.map { $0.filesCount }.reduce(0, +)
        }
    }

    var treeDepth: Int {
        switch self {
        case .file:
            return 0
        case .directory(_, let contents):
            if contents.isEmpty {
                return 1
            } else {
                return 1 + contents.map { $0.treeDepth }.max()!
            }
        }
    }
}
```

indirect enum FileSystemNode {
    case file(name: String, size: Int)
    case directory(name: String, contents: [FileSystemNode])
}

protocol FileSystemInfo {
    var totalSize: Int { get }
    var filesCount: Int { get }
    var treeDepth: Int { get }
}

extension FileSystemNode: FileSystemInfo {
    var totalSize: Int {
        switch self {
        case .file(_, let size):
            return size
        case .directory(_, let contents):
            return contents.map { $0.totalSize }.reduce(0, +)
        }
    }

    var filesCount: Int {
        switch self {
        case .file:
            return 1
        case .directory(_, let contents):
            return contents.map { $0.filesCount }.reduce(0, +)
        }
    }

    var treeDepth: Int {
        switch self {
        case .file:
            return 0
        case .directory(_, let contents):
            if contents.isEmpty {
                return 1
            } else {
                return 1 + contents.map { $0.treeDepth }.max()!
            }
        }
    }
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Abstract file system manager and metadata calculation.
Used to calculate total size of all files in file system, files count and file system tree depth.
### Response:
```swift
indirect enum FileSystemNode {
    case file(name: String, size: Int)
    case directory(name: String, contents: [FileSystemNode])
}

protocol FileSystemInfo {
    var totalSize: Int { get }
    var filesCount: Int { get }
    var treeDepth: Int { get }
}

extension FileSystemNode: FileSystemInfo {
    var totalSize: Int {
        switch self {
        case .file(_, let size):
            return size
        case .directory(_, let contents):
            return contents.map { $0.totalSize }.reduce(0, +)
        }
    }

    var filesCount: Int {
        switch self {
        case .file:
            return 1
        case .directory(_, let contents):
            return contents.map { $0.filesCount }.reduce(0, +)
        }
    }

    var treeDepth: Int {
        switch self {
        case .file:
            return 0
        case .directory(_, let contents):
            if contents.isEmpty {
                return 1
            } else {
                return 1 + contents.map { $0.treeDepth }.max()!
            }
        }
    }
}
```

indirect enum FileSystemNode {
    case file(name: String, size: Int)
    case directory(name: String, contents: [FileSystemNode])
}

protocol FileSystemInfo {
    var totalSize: Int { get }
    var filesCount: Int { get }
    var treeDepth: Int { get }
}

extension FileSystemNode: FileSystemInfo {
    var totalSize: Int {
        switch self {
        case .file(_, let size):
            return size
        case .directory(_, let contents):
            return contents.map { $0.totalSize }.reduce(0, +)
        }
    }

    var filesCount: Int {
        switch self {
        case .file:
            return 1
        case .directory(_, let contents):
            return contents.map { $0.filesCount }.reduce(0, +)
        }
    }

    var treeDepth: Int {
        switch self {
        case .file:
            return 0
        case .directory(_, let contents):
            if contents.isEmpty {
                return 1
            } else {
                return 1 + contents.map { $0.treeDepth }.max()!
            }
        }
    }
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Abstract file system manager and metadata calculation.
Used to calculate total size of all files in file system, files count and file system tree depth.
### Response:
```swift
indirect enum FileSystemNode {
    case file(name: String, size: Int)
    case directory(name: String, contents: [FileSystemNode])
}

protocol FileSystemInfo {
    var totalSize: Int { get }
    var filesCount: Int { get }
    var treeDepth: Int { get }
}

extension FileSystemNode: FileSystemInfo {
    var totalSize: Int {
        switch self {
        case .file(_, let size):
            return size
        case .directory(_, let contents):
            return contents.map { $0.totalSize }.reduce(0, +)
        }
    }

    var filesCount: Int {
        switch self {
        case .file:
            return 1
        case .directory(_, let contents):
            return contents.map { $0.filesCount }.reduce(0, +)
        }
    }

    var treeDepth: Int {
        switch self {
        case .file:
            return 0
        case .directory(_, let contents):
            if contents.isEmpty {
                return 1
            } else {
                return 1 + contents.map { $0.treeDepth }.max()!
            }
        }
    }
}
```

indirect enum FileSystemNode {
    case file(name: String, size: Int)
    case directory(name: String, contents: [FileSystemNode])
}

protocol FileSystemInfo {
    var totalSize: Int { get }
    var filesCount: Int { get }
    var treeDepth: Int { get }
}

extension FileSystemNode: FileSystemInfo {
    var totalSize: Int {
        switch self {
        case .file(_, let size):
            return size
        case .directory(_, let contents):
            return contents.map { $0.totalSize }.reduce(0, +)
        }
    }

    var filesCount: Int {
        switch self {
        case .file:
            return 1
        case .directory(_, let contents):
            return contents.map { $0.filesCount }.reduce(0, +)
        }
    }

    var treeDepth: Int {
        switch self {
        case .file:
            return 0
        case .directory(_, let contents):
            if contents.isEmpty {
                return 1
            } else {
                return 1 + contents.map { $0.treeDepth }.max()!
            }
        }
    }
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Abstract file system manager and metadata calculation.
Used to calculate total size of all files in file system, files count and file system tree depth.
### Response:
```swift
indirect enum FileSystemNode {
    case file(name: String, size: Int)
    case directory(name: String, contents: [FileSystemNode])
}

protocol FileSystemInfo {
    var totalSize: Int { get }
    var filesCount: Int { get }
    var treeDepth: Int { get }
}

extension FileSystemNode: FileSystemInfo {
    var totalSize: Int {
        switch self {
        case .file(_, let size):
            return size
        case .directory(_, let contents):
            return contents.map { $0.totalSize }.reduce(0, +)
        }
    }

    var filesCount: Int {
        switch self {
        case .file:
            return 1
        case .directory(_, let contents):
            return contents.map { $0.filesCount }.reduce(0, +)
        }
    }

    var treeDepth: Int {
        switch self {
        case .file:
            return 0
        case .directory(_, let contents):
            if contents.isEmpty {
                return 1
            } else {
                return 1 + contents.map { $0.treeDepth }.max()!
            }
        }
    }
}
```

indirect enum FileSystemNode {
    case file(name: String, size: Int)
    case directory(name: String, contents: [FileSystemNode])
}

protocol FileSystemInfo {
    var totalSize: Int { get }
    var filesCount: Int { get }
    var treeDepth: Int { get }
}

extension FileSystemNode: FileSystemInfo {
    var totalSize: Int {
        switch self {
        case .file(_, let size):
            return size
        case .directory(_, let contents):
            return contents.map { $0.totalSize }.reduce(0, +)
        }
    }

    var filesCount: Int {
        switch self {
        case .file:
            return 1
        case .directory(_, let contents):
            return contents.map { $0.filesCount }.reduce(0, +)
        }
    }

    var treeDepth: Int {
        switch self {
        case .file:
            return 0
        case .directory(_, let contents):
            if contents.isEmpty {
                return 1
            } else {
                return 1 + contents.map { $0.treeDepth }.max()!
            }
        }
    }
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Abstract file system manager and metadata calculation.
Used to calculate total size of all files in file system, files count and file system tree depth.
### Response:
```swift
indirect enum FileSystemNode {
    case file(name: String, size: Int)
    case directory(name: String, contents: [FileSystemNode])
}

protocol FileSystemInfo {
    var totalSize: Int { get }
    var filesCount: Int { get }
    var treeDepth: Int { get }
}

extension FileSystemNode: FileSystemInfo {
    var totalSize: Int {
        switch self {
        case .file(_, let size):
            return size
        case .directory(_, let contents):
            return contents.map { $0.totalSize }.reduce(0, +)
        }
    }

    var filesCount: Int {
        switch self {
        case .file:
            return 1
        case .directory(_, let contents):
            return contents.map { $0.filesCount }.reduce(0, +)
        }
    }

    var treeDepth: Int {
        switch self {
        case .file:
            return 0
        case .directory(_, let contents):
            if contents.isEmpty {
                return 1
            } else {
                return 1 + contents.map { $0.treeDepth }.max()!
            }
        }
    }
}
```

indirect enum FileSystemNode {
    case file(name: String, size: Int)
    case directory(name: String, contents: [FileSystemNode])
}

protocol FileSystemInfo {
    var totalSize: Int { get }
    var filesCount: Int { get }
    var treeDepth: Int { get }
}

extension FileSystemNode: FileSystemInfo {
    var totalSize: Int {
        switch self {
        case .file(_, let size):
            return size
        case .directory(_, let contents):
            return contents.map { $0.totalSize }.reduce(0, +)
        }
    }

    var filesCount: Int {
        switch self {
        case .file:
            return 1
        case .directory(_, let contents):
            return contents.map { $0.filesCount }.reduce(0, +)
        }
    }

    var treeDepth: Int {
        switch self {
        case .file:
            return 0
        case .directory(_, let contents):
            if contents.isEmpty {
                return 1
            } else {
                return 1 + contents.map { $0.treeDepth }.max()!
            }
        }
    }
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Abstract file system manager and metadata calculation.
Used to calculate total size of all files in file system, files count and file system tree depth.
### Response:
```swift
indirect enum FileSystemNode {
    case file(name: String, size: Int)
    case directory(name: String, contents: [FileSystemNode])
}

protocol FileSystemInfo {
    var totalSize: Int { get }
    var filesCount: Int { get }
    var treeDepth: Int { get }
}

extension FileSystemNode: FileSystemInfo {
    var totalSize: Int {
        switch self {
        case .file(_, let size):
            return size
        case .directory(_, let contents):
            return contents.map { $0.totalSize }.reduce(0, +)
        }
    }

    var filesCount: Int {
        switch self {
        case .file:
            return 1
        case .directory(_, let contents):
            return contents.map { $0.filesCount }.reduce(0, +)
        }
    }

    var treeDepth: Int {
        switch self {
        case .file:
            return 0
        case .directory(_, let contents):
            if contents.isEmpty {
                return 1
            } else {
                return 1 + contents.map { $0.treeDepth }.max()!
            }
        }
    }
}
```

indirect enum FileSystemNode {
    case file(name: String, size: Int)
    case directory(name: String, contents: [FileSystemNode])
}

protocol FileSystemInfo {
    var totalSize: Int { get }
    var filesCount: Int { get }
    var treeDepth: Int { get }
}

extension FileSystemNode: FileSystemInfo {
    var totalSize: Int {
        switch self {
        case .file(_, let size):
            return size
        case .directory(_, let contents):
            return contents.map { $0.totalSize }.reduce(0, +)
        }
    }

    var filesCount: Int {
        switch self {
        case .file:
            return 1
        case .directory(_, let contents):
            return contents.map { $0.filesCount }.reduce(0, +)
        }
    }

    var treeDepth: Int {
        switch self {
        case .file:
            return 0
        case .directory(_, let contents):
            if contents.isEmpty {
                return 1
            } else {
                return 1 + contents.map { $0.treeDepth }.max()!
            }
        }
    }
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Abstract file system manager and metadata calculation.
Used to calculate total size of all files in file system, files count and file system tree depth.
### Response:
```swift
indirect enum FileSystemNode {
    case file(name: String, size: Int)
    case directory(name: String, contents: [FileSystemNode])
}

protocol FileSystemInfo {
    var totalSize: Int { get }
    var filesCount: Int { get }
    var treeDepth: Int { get }
}

extension FileSystemNode: FileSystemInfo {
    var totalSize: Int {
        switch self {
        case .file(_, let size):
            return size
        case .directory(_, let contents):
            return contents.map { $0.totalSize }.reduce(0, +)
        }
    }

    var filesCount: Int {
        switch self {
        case .file:
            return 1
        case .directory(_, let contents):
            return contents.map { $0.filesCount }.reduce(0, +)
        }
    }

    var treeDepth: Int {
        switch self {
        case .file:
            return 0
        case .directory(_, let contents):
            if contents.isEmpty {
                return 1
            } else {
                return 1 + contents.map { $0.treeDepth }.max()!
            }
        }
    }
}
```

protocol StackProtocol {
    associatedtype Element
    init()
    func push(_ element: Element)
    func pop() -> Element?
}

class Stack<T>: StackProtocol {
    typealias Element = T
    private var elements: [Element] = []
    
    init() {}
    
    func push(_ element: Element) {
        elements.append(element)
    }
    
    func pop() -> Element? {
        return elements.popLast()
    }
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Generic stack with push and pop functions.
### Response:
```swift
protocol StackProtocol {
    associatedtype Element
    init()
    func push(_ element: Element)
    func pop() -> Element?
}

class Stack<T>: StackProtocol {
    typealias Element = T
    private var elements: [Element] = []
    
    init() {}
    
    func push(_ element: Element) {
        elements.append(element)
    }
    
    func pop() -> Element? {
        return elements.popLast()
    }
}
```

protocol StackProtocol {
    associatedtype Element
    init()
    func push(_ element: Element)
    func pop() -> Element?
}

class Stack<T>: StackProtocol {
    typealias Element = T
    private var elements: [Element] = []

    init() {}

    func push(_ element: Element) {
        elements.append(element)
    }

    func pop() -> Element? {
        return elements.popLast()
    }
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Generic stack with push and pop functions.
### Response:
```swift
protocol StackProtocol {
    associatedtype Element
    init()
    func push(_ element: Element)
    func pop() -> Element?
}

class Stack<T>: StackProtocol {
    typealias Element = T
    private var elements: [Element] = []

    init() {}

    func push(_ element: Element) {
        elements.append(element)
    }

    func pop() -> Element? {
        return elements.popLast()
    }
}
```

protocol StackProtocol {
    associatedtype Element
    init()
    func push(_ element: Element)
    func pop() -> Element?
}

class Stack<T>: StackProtocol {
    typealias Element = T
    private var elements: [Element] = []

    init() {}

    func push(_ element: Element) {
        elements.append(element)
    }

    func pop() -> Element? {
        return elements.popLast()
    }
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Generic stack with push and pop functions.
### Response:
```swift
protocol StackProtocol {
    associatedtype Element
    init()
    func push(_ element: Element)
    func pop() -> Element?
}

class Stack<T>: StackProtocol {
    typealias Element = T
    private var elements: [Element] = []

    init() {}

    func push(_ element: Element) {
        elements.append(element)
    }

    func pop() -> Element? {
        return elements.popLast()
    }
}
```

protocol StackProtocol {
    associatedtype Element
    init()
    func push(_ element: Element)
    func pop() -> Element?
}

class Stack<T>: StackProtocol {
    typealias Element = T
    
    private var elements: [Element] = []
    
    init() {}
    
    func push(_ element: Element) {
        elements.append(element)
    }
    
    func pop() -> Element? {
        if elements.isEmpty {
            return nil
        } else {
            return elements.removeLast()
        }
    }
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Generic stack with push and pop functions.
### Response:
```swift
protocol StackProtocol {
    associatedtype Element
    init()
    func push(_ element: Element)
    func pop() -> Element?
}

class Stack<T>: StackProtocol {
    typealias Element = T
    
    private var elements: [Element] = []
    
    init() {}
    
    func push(_ element: Element) {
        elements.append(element)
    }
    
    func pop() -> Element? {
        if elements.isEmpty {
            return nil
        } else {
            return elements.removeLast()
        }
    }
}
```

protocol StackProtocol {
    associatedtype Element
    init()
    func push(_ element: Element)
    func pop() -> Element?
}

class Stack<T>: StackProtocol {
    typealias Element = T
    private var elements: [Element] = []

    init() {}

    func push(_ element: Element) {
        elements.append(element)
    }

    func pop() -> Element? {
        return elements.popLast()
    }
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Generic stack with push and pop functions.
### Response:
```swift
protocol StackProtocol {
    associatedtype Element
    init()
    func push(_ element: Element)
    func pop() -> Element?
}

class Stack<T>: StackProtocol {
    typealias Element = T
    private var elements: [Element] = []

    init() {}

    func push(_ element: Element) {
        elements.append(element)
    }

    func pop() -> Element? {
        return elements.popLast()
    }
}
```

protocol StackProtocol {
    associatedtype Element
    init()
    func push(_ element: Element)
    func pop() -> Element?
}

class Stack<T>: StackProtocol {
    typealias Element = T
    private var elements: [Element] = []

    init() {}

    func push(_ element: Element) {
        elements.append(element)
    }

    func pop() -> Element? {
        return elements.isEmpty ? nil : elements.removeLast()
    }
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Generic stack with push and pop functions.
### Response:
```swift
protocol StackProtocol {
    associatedtype Element
    init()
    func push(_ element: Element)
    func pop() -> Element?
}

class Stack<T>: StackProtocol {
    typealias Element = T
    private var elements: [Element] = []

    init() {}

    func push(_ element: Element) {
        elements.append(element)
    }

    func pop() -> Element? {
        return elements.isEmpty ? nil : elements.removeLast()
    }
}
```

protocol StackProtocol {
    associatedtype Element
    init()
    func push(_ element: Element)
    func pop() -> Element?
}

class Stack<T>: StackProtocol {
    typealias Element = T
    private var elements: [Element] = []
    
    init() {}
    
    func push(_ element: Element) {
        elements.append(element)
    }
    
    func pop() -> Element? {
        if elements.isEmpty {
            return nil
        } else {
            return elements.removeLast()
        }
    }
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Generic stack with push and pop functions.
### Response:
```swift
protocol StackProtocol {
    associatedtype Element
    init()
    func push(_ element: Element)
    func pop() -> Element?
}

class Stack<T>: StackProtocol {
    typealias Element = T
    private var elements: [Element] = []
    
    init() {}
    
    func push(_ element: Element) {
        elements.append(element)
    }
    
    func pop() -> Element? {
        if elements.isEmpty {
            return nil
        } else {
            return elements.removeLast()
        }
    }
}
```

protocol StackProtocol {
    associatedtype Element
    init()
    func push(_ element: Element)
    func pop() -> Element?
}

class Stack<T>: StackProtocol {
    typealias Element = T
    
    private var elements: [Element] = []
    
    init() { }
    
    func push(_ element: Element) {
        elements.append(element)
    }
    
    func pop() -> Element? {
        return elements.popLast()
    }
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Generic stack with push and pop functions.
### Response:
```swift
protocol StackProtocol {
    associatedtype Element
    init()
    func push(_ element: Element)
    func pop() -> Element?
}

class Stack<T>: StackProtocol {
    typealias Element = T
    
    private var elements: [Element] = []
    
    init() { }
    
    func push(_ element: Element) {
        elements.append(element)
    }
    
    func pop() -> Element? {
        return elements.popLast()
    }
}
```

protocol StackProtocol {
    associatedtype Element
    init()
    func push(_ element: Element)
    func pop() -> Element?
}

class Stack<T>: StackProtocol {
    typealias Element = T
    private var elements: [Element] = []
    
    init() {}
    
    func push(_ element: Element) {
        elements.append(element)
    }
    
    func pop() -> Element? {
        return elements.popLast()
    }
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Generic stack with push and pop functions.
### Response:
```swift
protocol StackProtocol {
    associatedtype Element
    init()
    func push(_ element: Element)
    func pop() -> Element?
}

class Stack<T>: StackProtocol {
    typealias Element = T
    private var elements: [Element] = []
    
    init() {}
    
    func push(_ element: Element) {
        elements.append(element)
    }
    
    func pop() -> Element? {
        return elements.popLast()
    }
}
```

protocol StackProtocol {
    associatedtype Element
    init()
    func push(_ element: Element)
    func pop() -> Element?
}

class Stack<T>: StackProtocol {
    typealias Element = T
    
    private var elements: [Element] = []
    
    init() {}
    
    func push(_ element: Element) {
        elements.append(element)
    }
    
    func pop() -> Element? {
        if elements.isEmpty {
            return nil
        } else {
            return elements.removeLast()
        }
    }
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Generic stack with push and pop functions.
### Response:
```swift
protocol StackProtocol {
    associatedtype Element
    init()
    func push(_ element: Element)
    func pop() -> Element?
}

class Stack<T>: StackProtocol {
    typealias Element = T
    
    private var elements: [Element] = []
    
    init() {}
    
    func push(_ element: Element) {
        elements.append(element)
    }
    
    func pop() -> Element? {
        if elements.isEmpty {
            return nil
        } else {
            return elements.removeLast()
        }
    }
}
```

protocol CacheProtocol {
    associatedtype Key: Hashable
    associatedtype Element
    init(capacity: Int)
    subscript(key: Key) -> Element? { get set }
}

class Cache<Key: Hashable, Element>: CacheProtocol {
    private typealias Node = (key: Key, value: Element)
    private typealias NodeList = LinkedList<Node>

    private let capacity: Int
    private var nodes = [Key: NodeList.Node]()
    private var list = NodeList()

    init(capacity: Int) {
        self.capacity = max(0, capacity)
    }

    subscript(key: Key) -> Element? {
        get {
            guard let node = nodes[key] else { return nil }
            list.moveNodeToFront(node)
            return node.value.value
        }
        set {
            if let oldNode = nodes[key] {
                oldNode.value.value = Element(newValue)
                list.moveNodeToFront(oldNode)
            } else {
                if nodes.count == capacity {
                    let lastNode = list.last
                    nodes[lastNode.value.key] = nil
                    list.removeLast()
                }
                let newNode = list.add(.init(key: key, value: newValue))
                nodes[key] = newNode
            }
        }
    }
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Generic in-memory cache that follows to the LRU (Least Recently Used) eviction policy.
The cache should have a specified capacity limit, and when this limit is reached, it should remove the least recently used item to make space for new entries.
### Response:
```swift
protocol CacheProtocol {
    associatedtype Key: Hashable
    associatedtype Element
    init(capacity: Int)
    subscript(key: Key) -> Element? { get set }
}

class Cache<Key: Hashable, Element>: CacheProtocol {
    private typealias Node = (key: Key, value: Element)
    private typealias NodeList = LinkedList<Node>

    private let capacity: Int
    private var nodes = [Key: NodeList.Node]()
    private var list = NodeList()

    init(capacity: Int) {
        self.capacity = max(0, capacity)
    }

    subscript(key: Key) -> Element? {
        get {
            guard let node = nodes[key] else { return nil }
            list.moveNodeToFront(node)
            return node.value.value
        }
        set {
            if let oldNode = nodes[key] {
                oldNode.value.value = Element(newValue)
                list.moveNodeToFront(oldNode)
            } else {
                if nodes.count == capacity {
                    let lastNode = list.last
                    nodes[lastNode.value.key] = nil
                    list.removeLast()
                }
                let newNode = list.add(.init(key: key, value: newValue))
                nodes[key] = newNode
            }
        }
    }
}

private final class LinkedList<Element> {
    private typealias Node = LinkedListNode<Element>

    private var head: Node?
    private var tail: Node?

    var first: Node? { return head }
    var last: Node? { return tail }

    func add(_ element: Element) -> Node {
        let node = Node(value: element)
        if let tail = tail {
            tail.next = node
            node.previous = tail
        } else {
            head = node
        }
        tail = node
        return node
    }

    func removeLast() {
        guard let tail = tail, let previous = tail.previous else {
            head = nil
            tail = nil
            return
        }
        previous.next = nil
        tail.previous = nil
        tail = previous
    }

    func moveNodeToFront(_ node: Node) {
        defer { node.previous?.next = node.next }
        defer { node.next?.previous = node.previous }
        if node === head { return }
        node.previous?.next = node.next
        node.next?.previous = node.previous
        node.previous = nil
        node.next = head
        head?.previous = node
        head = node
    }
}

private final class LinkedListNode<Element> {
    let value: Element
    var previous: LinkedListNode?
    var next: LinkedListNode?

    init(value: Element) {
        self.value = value
    }
}
```

protocol CacheProtocol {
    associatedtype Key: Hashable
    associatedtype Element
    init(capacity: Int)
    subscript(key: Key) -> Element? { get set }
}

class Cache<Key: Hashable, Element>: CacheProtocol {
    private typealias Node = (key: Key, value: Element)
    private typealias NodeList = LinkedList<Node>

    private let capacity: Int
    private var nodes = [Key: NodeList.Node]()
    private var list = NodeList()

    init(capacity: Int) {
        self.capacity = max(0, capacity)
    }

    subscript(key: Key) -> Element? {
        get {
            guard let node = nodes[key] else { return nil }
            list.moveNodeToFront(node)
            return node.value.value
        }
        set {
            if let oldNode = nodes[key] {
                oldNode.value.value = .some(newValue)
                list.moveNodeToFront(oldNode)
            } else {
                let newNode = list.add(.init(key: key, value: newValue))
                nodes[key] = newNode
                if list.count > capacity {
                    let lastNode = list.last
                    nodes[lastNode.value.key] = nil
                    list.removeLast()
                }
            }
        }
    }
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Generic in-memory cache that follows to the LRU (Least Recently Used) eviction policy.
The cache should have a specified capacity limit, and when this limit is reached, it should remove the least recently used item to make space for new entries.
### Response:
```swift
protocol CacheProtocol {
    associatedtype Key: Hashable
    associatedtype Element
    init(capacity: Int)
    subscript(key: Key) -> Element? { get set }
}

class Cache<Key: Hashable, Element>: CacheProtocol {
    private typealias Node = (key: Key, value: Element)
    private typealias NodeList = LinkedList<Node>

    private let capacity: Int
    private var nodes = [Key: NodeList.Node]()
    private var list = NodeList()

    init(capacity: Int) {
        self.capacity = max(0, capacity)
    }

    subscript(key: Key) -> Element? {
        get {
            guard let node = nodes[key] else { return nil }
            list.moveNodeToFront(node)
            return node.value.value
        }
        set {
            if let oldNode = nodes[key] {
                oldNode.value.value = .some(newValue)
                list.moveNodeToFront(oldNode)
            } else {
                let newNode = list.add(.init(key: key, value: newValue))
                nodes[key] = newNode
                if list.count > capacity {
                    let lastNode = list.last
                    nodes[lastNode.value.key] = nil
                    list.removeLast()
                }
            }
        }
    }
}

private final class LinkedList<Element> {
    private typealias Node = LinkedListNode<Element>

    private var head: Node?
    private var tail: Node?

    var count: Int { return nodes.count }

    private var nodes = [Node]()

    func add(_ element: Element) -> Node {
        let node = Node(value: element)
        nodes.append(node)
        addNode(node)
        return node
    }

    func removeLast() {
        guard let lastNode = tail else { return }
        removeNode(lastNode)
        nodes.removeLast()
    }

    func moveNodeToFront(_ node: Node) {
        removeNode(node)
        addNode(node)
    }

    private func addNode(_ node: Node) {
        node.next = head
        node.previous = nil
        head?.previous = node
        head = node
        if tail == nil {
            tail = node
        }
    }

    private func removeNode(_ node: Node) {
        node.previous?.next = node.next
        node.next?.previous = node.previous
        if node === head {
            head = node.next
        }
        if node === tail {
            tail = node.previous
        }
        node.next = nil
        node.previous = nil
    }
}

private final class LinkedListNode<Element> {
    var value: Element
    var previous: LinkedListNode?
    var next: LinkedListNode?

    init(value: Element) {
        self.value = value
    }
}
```

protocol CacheProtocol {
    associatedtype Key: Hashable
    associatedtype Element
    init(capacity: Int)
    subscript(key: Key) -> Element? { get set }
}

class Cache<Key: Hashable, Element>: CacheProtocol {
    private typealias Node = (key: Key, value: Element)
    private typealias NodeList = LinkedList<Node>
    
    private let capacity: Int
    private var nodes = [Key: NodeList.Node]()
    private var list = NodeList()
    
    init(capacity: Int) {
        self.capacity = max(0, capacity)
    }
    
    subscript(key: Key) -> Element? {
        get {
            guard let node = nodes[key] else { return nil }
            list.moveNodeToFront(node)
            return node.value.value
        }
        set {
            if let oldNode = nodes[key] {
                oldNode.value.value = .init(key: key, value: newValue!)
                list.moveNodeToFront(oldNode)
            } else {
                let newNode = NodeList.Node(value: .init(key: key, value: newValue!))
                nodes[key] = newNode
                list.insertNodeAtFront(newNode)
                if list.count > capacity {
                    let lastNode = list.removeLastNode()
                    nodes[lastNode.value.key] = nil
                }
            }
        }
    }
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Generic in-memory cache that follows to the LRU (Least Recently Used) eviction policy.
The cache should have a specified capacity limit, and when this limit is reached, it should remove the least recently used item to make space for new entries.
### Response:
```swift
protocol CacheProtocol {
    associatedtype Key: Hashable
    associatedtype Element
    init(capacity: Int)
    subscript(key: Key) -> Element? { get set }
}

class Cache<Key: Hashable, Element>: CacheProtocol {
    private typealias Node = (key: Key, value: Element)
    private typealias NodeList = LinkedList<Node>
    
    private let capacity: Int
    private var nodes = [Key: NodeList.Node]()
    private var list = NodeList()
    
    init(capacity: Int) {
        self.capacity = max(0, capacity)
    }
    
    subscript(key: Key) -> Element? {
        get {
            guard let node = nodes[key] else { return nil }
            list.moveNodeToFront(node)
            return node.value.value
        }
        set {
            if let oldNode = nodes[key] {
                oldNode.value.value = .init(key: key, value: newValue!)
                list.moveNodeToFront(oldNode)
            } else {
                let newNode = NodeList.Node(value: .init(key: key, value: newValue!))
                nodes[key] = newNode
                list.insertNodeAtFront(newNode)
                if list.count > capacity {
                    let lastNode = list.removeLastNode()
                    nodes[lastNode.value.key] = nil
                }
            }
        }
    }
}

private final class LinkedList<Element> {
    class Node {
        var value: Element
        var previous: Node?
        var next: Node?
        init(_ value: Element) {
            self.value = value
        }
    }
    
    private var front: Node?
    private var back: Node?
    
    var count: Int = 0
    
    func insertNodeAtFront(_ node: Node) {
        node.previous = nil
        node.next = front
        if let oldFront = front {
            oldFront.previous = node
        } else {
            back = node
        }
        front = node
        count += 1
    }
    
    func removeLastNode() -> Node {
        let lastNode = back!
        if let previous = lastNode.previous {
            previous.next = nil
        } else {
            front = nil
        }
        back = back?.previous
        count -= 1
        return lastNode
    }
    
    func moveNodeToFront(_ node: Node) {
        if node.previous == nil {
            return
        }
        node.previous?.next = node.next
        node.next?.previous = node.previous
        node.previous = nil
        node.next = front
        front?.previous = node
        front = node
    }
}
```

protocol CacheProtocol {
    associatedtype Key: Hashable
    associatedtype Element
    init(capacity: Int)
    subscript(key: Key) -> Element? { get set }
}

class Cache<Key: Hashable, Element>: CacheProtocol {
    private typealias Node = (key: Key, value: Element)
    private typealias NodeList = LinkedList<Node>

    private let capacity: Int
    private var cache: [Key: NodeList.Node] = [:]
    private var list = NodeList()

    init(capacity: Int) {
        self.capacity = max(0, capacity)
    }

    subscript(key: Key) -> Element? {
        get {
            guard let node = cache[key] else { return nil }
            list.moveNodeToFront(node)
            return node.value.value
        }
        set {
            if let oldNode = cache[key] {
                oldNode.value.value = newValue!
                list.moveNodeToFront(oldNode)
            } else {
                if cache.count == capacity {
                    let lastNode = list.lastNode()
                    cache.removeValue(forKey: lastNode.value.key)
                    list.removeLastNode()
                }
                let newNode = list.addNode(Node(key: key, value: newValue))
                cache[key] = newNode
            }
        }
    }
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Generic in-memory cache that follows to the LRU (Least Recently Used) eviction policy.
The cache should have a specified capacity limit, and when this limit is reached, it should remove the least recently used item to make space for new entries.
### Response:
```swift
protocol CacheProtocol {
    associatedtype Key: Hashable
    associatedtype Element
    init(capacity: Int)
    subscript(key: Key) -> Element? { get set }
}

class Cache<Key: Hashable, Element>: CacheProtocol {
    private typealias Node = (key: Key, value: Element)
    private typealias NodeList = LinkedList<Node>

    private let capacity: Int
    private var cache: [Key: NodeList.Node] = [:]
    private var list = NodeList()

    init(capacity: Int) {
        self.capacity = max(0, capacity)
    }

    subscript(key: Key) -> Element? {
        get {
            guard let node = cache[key] else { return nil }
            list.moveNodeToFront(node)
            return node.value.value
        }
        set {
            if let oldNode = cache[key] {
                oldNode.value.value = newValue!
                list.moveNodeToFront(oldNode)
            } else {
                if cache.count == capacity {
                    let lastNode = list.lastNode()
                    cache.removeValue(forKey: lastNode.value.key)
                    list.removeLastNode()
                }
                let newNode = list.addNode(Node(key: key, value: newValue))
                cache[key] = newNode
            }
        }
    }
}

private final class LinkedList<Element> {
    private typealias Node = LinkedListNode<Element>

    private var head: Node?
    private var tail: Node?

    func addNode(_ element: Element) -> Node {
        let node = Node(value: element)
        if let tailNode = tail {
            tailNode.next = node
            node.previous = tailNode
            tail = node
        } else {
            head = node
            tail = node
        }
        return node
    }

    func moveNodeToFront(_ node: Node) {
        if node === head { return }
        node.previous?.next = node.next
        node.next?.previous = node.previous
        if node === tail {
            tail = node.previous
        }
        node.previous = nil
        node.next = head
        head?.previous = node
        head = node
    }

    func removeLastNode() {
        guard let tailNode = tail, let previousNode = tailNode.previous else { return }
        previousNode.next = nil
        tail = previousNode
    }

    func lastNode() -> Node {
        return tail!
    }
}

private final class LinkedListNode<Element> {
    var value: Element
    var previous: LinkedListNode?
    var next: LinkedListNode?

    init(value: Element) {
        self.value = value
    }
}
```

protocol CacheProtocol {
    associatedtype Key: Hashable
    associatedtype Element
    init(capacity: Int)
    subscript(key: Key) -> Element? { get set }
}

class Cache<Key: Hashable, Element>: CacheProtocol {
    private typealias Node = (key: Key, value: Element)
    private typealias NodeList = LinkedList<Node>
    
    private let capacity: Int
    private var nodes = [Key: NodeList.Node]()
    private var list = NodeList()
    
    init(capacity: Int) {
        self.capacity = max(0, capacity)
    }
    
    subscript(key: Key) -> Element? {
        get {
            guard let node = nodes[key] else { return nil }
            list.moveNodeToFront(node)
            return node.value.value
        }
        set {
            if let oldNode = nodes[key] {
                oldNode.value.value = .init(key: key, value: newValue!)
                list.moveNodeToFront(oldNode)
            } else {
                if nodes.count == capacity {
                    let lastNode = list.last
                    nodes[lastNode.value.key] = nil
                    list.removeLast()
                }
                let newNode = list.add(.init(key: key, value: newValue))
                nodes[key] = newNode
            }
        }
    }
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Generic in-memory cache that follows to the LRU (Least Recently Used) eviction policy.
The cache should have a specified capacity limit, and when this limit is reached, it should remove the least recently used item to make space for new entries.
### Response:
```swift
protocol CacheProtocol {
    associatedtype Key: Hashable
    associatedtype Element
    init(capacity: Int)
    subscript(key: Key) -> Element? { get set }
}

class Cache<Key: Hashable, Element>: CacheProtocol {
    private typealias Node = (key: Key, value: Element)
    private typealias NodeList = LinkedList<Node>
    
    private let capacity: Int
    private var nodes = [Key: NodeList.Node]()
    private var list = NodeList()
    
    init(capacity: Int) {
        self.capacity = max(0, capacity)
    }
    
    subscript(key: Key) -> Element? {
        get {
            guard let node = nodes[key] else { return nil }
            list.moveNodeToFront(node)
            return node.value.value
        }
        set {
            if let oldNode = nodes[key] {
                oldNode.value.value = .init(key: key, value: newValue!)
                list.moveNodeToFront(oldNode)
            } else {
                if nodes.count == capacity {
                    let lastNode = list.last
                    nodes[lastNode.value.key] = nil
                    list.removeLast()
                }
                let newNode = list.add(.init(key: key, value: newValue))
                nodes[key] = newNode
            }
        }
    }
}

private final class LinkedList<Element> {
    private typealias Node = LinkedListNode<Element>
    
    private var head: Node?
    private var tail: Node?
    
    var first: Node? { return head }
    var last: Node? { return tail }
    
    func add(_ element: Element) -> Node {
        let node = Node(value: element)
        if let tail = tail {
            tail.next = node
            node.previous = tail
            tail = node
        } else {
            head = node
            tail = node
        }
        return node
    }
    
    func removeLast() {
        guard let tail = tail, let previous = tail.previous else { return }
        previous.next = nil
        tail.previous = nil
        tail.value = nil
        tail.next = nil
        tail.previous = nil
        tail.list = nil
        nodes[tail] = nil
        tail = previous
    }
    
    func moveNodeToFront(_ node: Node) {
        defer { head = node }
        if node === tail {
            tail = node.previous
        }
        node.removeFromList()
        node.insertAfter(head)
    }
}

private final class LinkedListNode<Element> {
    var value: Element
    var previous: LinkedListNode?
    var next: LinkedListNode?
    var list: LinkedList<Element>?
    
    init(_ value: Element) {
        self.value = value
    }
    
    func insertAfter(_ node: LinkedListNode?) {
        previous = node
        if let node = node {
            next = node.next
            node.next = self
        } else {
            next = nil
        }
        if let next = next {
            next.previous = self
        }
    }
    
    func removeFromList() {
        if let previous = previous {
            previous.next = next
        } else if let list = list {
            list.head = next
        }
        if let next = next {
            next.previous = previous
        } else if let list = list {
            list.tail = previous
        }
        previous = nil
        next = nil
    }
}
```

protocol CacheProtocol {
    associatedtype Key: Hashable
    associatedtype Element
    init(capacity: Int)
    subscript(key: Key) -> Element? { get set }
}

class Cache<Key: Hashable, Element>: CacheProtocol {
    private typealias Node = (key: Key, value: Element)
    private var nodes = [Key: Node]()
    private var list = [Node]()
    private let capacity: Int
    
    init(capacity: Int) {
        self.capacity = capacity
    }
    
    subscript(key: Key) -> Element? {
        get {
            guard let node = nodes[key] else { return nil }
            let index = list.firstIndex(of: node) ?? 0
            list.remove(at: index)
            list.append(node)
            return node.value
        }
        set {
            guard let value = newValue else { return }
            if nodes.keys.count >= capacity {
                let node = list.removeFirst()
                nodes.removeValue(forKey: node.key)
            }
            let node = (key: key, value: value)
            nodes[key] = node
            list.append(node)
        }
    }
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Generic in-memory cache that follows to the LRU (Least Recently Used) eviction policy.
The cache should have a specified capacity limit, and when this limit is reached, it should remove the least recently used item to make space for new entries.
### Response:
```swift
protocol CacheProtocol {
    associatedtype Key: Hashable
    associatedtype Element
    init(capacity: Int)
    subscript(key: Key) -> Element? { get set }
}

class Cache<Key: Hashable, Element>: CacheProtocol {
    private typealias Node = (key: Key, value: Element)
    private var nodes = [Key: Node]()
    private var list = [Node]()
    private let capacity: Int
    
    init(capacity: Int) {
        self.capacity = capacity
    }
    
    subscript(key: Key) -> Element? {
        get {
            guard let node = nodes[key] else { return nil }
            let index = list.firstIndex(of: node) ?? 0
            list.remove(at: index)
            list.append(node)
            return node.value
        }
        set {
            guard let value = newValue else { return }
            if nodes.keys.count >= capacity {
                let node = list.removeFirst()
                nodes.removeValue(forKey: node.key)
            }
            let node = (key: key, value: value)
            nodes[key] = node
            list.append(node)
        }
    }
}
```

protocol CacheProtocol {
    associatedtype Key: Hashable
    associatedtype Element
    init(capacity: Int)
    subscript(key: Key) -> Element? { get set }
}

class Cache<Key: Hashable, Element>: CacheProtocol {
    private typealias Node = (key: Key, value: Element)
    private typealias NodeList = LinkedList<Node>
    private typealias NodeMap = [Key: NodeList.Node]

    private let capacity: Int
    private var map: NodeMap
    private var list: NodeList

    init(capacity: Int) {
        self.capacity = max(0, capacity)
        map = [:]
        list = NodeList()
    }

    subscript(key: Key) -> Element? {
        get {
            guard let node = map[key] else { return nil }
            list.moveNodeToFront(node)
            return node.value.value
        }
        set(newValue) {
            if let oldValue = map[key] {
                oldValue.value.value = newValue!
                list.moveNodeToFront(oldValue)
            } else {
                let node = NodeList.Node(value: (key: key, value: newValue))
                map[key] = node
                list.insertNodeAtFront(node)
                if list.count > capacity {
                    let lastNode = list.removeLastNode()
                    map[lastNode.value.key] = nil
                }
            }
        }
    }
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Generic in-memory cache that follows to the LRU (Least Recently Used) eviction policy.
The cache should have a specified capacity limit, and when this limit is reached, it should remove the least recently used item to make space for new entries.
### Response:
```swift
protocol CacheProtocol {
    associatedtype Key: Hashable
    associatedtype Element
    init(capacity: Int)
    subscript(key: Key) -> Element? { get set }
}

class Cache<Key: Hashable, Element>: CacheProtocol {
    private typealias Node = (key: Key, value: Element)
    private typealias NodeList = LinkedList<Node>
    private typealias NodeMap = [Key: NodeList.Node]

    private let capacity: Int
    private var map: NodeMap
    private var list: NodeList

    init(capacity: Int) {
        self.capacity = max(0, capacity)
        map = [:]
        list = NodeList()
    }

    subscript(key: Key) -> Element? {
        get {
            guard let node = map[key] else { return nil }
            list.moveNodeToFront(node)
            return node.value.value
        }
        set(newValue) {
            if let oldValue = map[key] {
                oldValue.value.value = newValue!
                list.moveNodeToFront(oldValue)
            } else {
                let node = NodeList.Node(value: (key: key, value: newValue))
                map[key] = node
                list.insertNodeAtFront(node)
                if list.count > capacity {
                    let lastNode = list.removeLastNode()
                    map[lastNode.value.key] = nil
                }
            }
        }
    }
}

private final class LinkedList<Element> {
    final class Node {
        var value: Element
        var next: Node?
        var prev: Node?
        init(_ value: Element) {
            self.value = value
        }
    }

    private var head: Node?
    private var tail: Node?

    var count: Int = 0

    func insertNodeAtFront(_ node: Node) {
        node.next = head
        node.prev = nil
        if let head = head {
            head.prev = node
        } else {
            tail = node
        }
        head = node
        count += 1
    }

    func moveNodeToFront(_ node: Node) {
        if node === head { return }
        node.prev.map { $0.next = node.next }
        node.next.map { $0.prev = node.prev }
        if node === tail { tail = node.prev }
        node.prev = nil
        node.next = head
        head.map { $0.prev = node }
        head = node
    }

    func removeLastNode() -> Node {
        let node = tail!
        tail = node.prev
        node.prev.map { $0.next = nil }
        tail.map { $0.prev = nil }
        count -= 1
        return node
    }
}
```

protocol CacheProtocol {
    associatedtype Key: Hashable
    associatedtype Element
    init(capacity: Int)
    subscript(key: Key) -> Element? { get set }
}

class Cache<Key: Hashable, Element>: CacheProtocol {
    private typealias Node = (key: Key, value: Element)
    private typealias NodeList = LinkedList<Node>

    private let capacity: Int
    private var nodes = [Key: NodeList.Node]()
    private var list = NodeList()

    init(capacity: Int) {
        self.capacity = max(0, capacity)
    }

    subscript(key: Key) -> Element? {
        get {
            guard let node = nodes[key] else {
                return nil
            }
            list.moveNodeToFront(node)
            return node.value.value
        }
        set {
            if let oldNode = nodes[key] {
                oldNode.value.value = .init(key: key, value: newValue!)
                list.moveNodeToFront(oldNode)
            } else {
                if nodes.count == capacity {
                    let lastNode = list.last
                    nodes[lastNode.value.key] = nil
                    list.removeLast()
                }
                let newNode = list.add(.init(key: key, value: newValue!))
                nodes[key] = newNode
            }
        }
    }
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Generic in-memory cache that follows to the LRU (Least Recently Used) eviction policy.
The cache should have a specified capacity limit, and when this limit is reached, it should remove the least recently used item to make space for new entries.
### Response:
```swift
protocol CacheProtocol {
    associatedtype Key: Hashable
    associatedtype Element
    init(capacity: Int)
    subscript(key: Key) -> Element? { get set }
}

class Cache<Key: Hashable, Element>: CacheProtocol {
    private typealias Node = (key: Key, value: Element)
    private typealias NodeList = LinkedList<Node>

    private let capacity: Int
    private var nodes = [Key: NodeList.Node]()
    private var list = NodeList()

    init(capacity: Int) {
        self.capacity = max(0, capacity)
    }

    subscript(key: Key) -> Element? {
        get {
            guard let node = nodes[key] else {
                return nil
            }
            list.moveNodeToFront(node)
            return node.value.value
        }
        set {
            if let oldNode = nodes[key] {
                oldNode.value.value = .init(key: key, value: newValue!)
                list.moveNodeToFront(oldNode)
            } else {
                if nodes.count == capacity {
                    let lastNode = list.last
                    nodes[lastNode.value.key] = nil
                    list.removeLast()
                }
                let newNode = list.add(.init(key: key, value: newValue!))
                nodes[key] = newNode
            }
        }
    }
}

private final class LinkedList<Element> {
    private typealias Node = LinkedListNode<Element>

    private var head: Node?
    private var tail: Node?

    var first: Node? {
        return head
    }

    var last: Node? {
        return tail
    }

    func add(_ element: Element) -> Node {
        let node = Node(value: element)
        if let tail = tail {
            tail.next = node
            node.previous = tail
        } else {
            head = node
        }
        tail = node
        return node
    }

    func moveNodeToFront(_ node: Node) {
        if node === head {
            return
        }
        node.previous?.next = node.next
        node.next?.previous = node.previous
        if node === tail {
            tail = node.previous
        }
        node.previous = nil
        node.next = head
        head?.previous = node
        head = node
    }

    func removeLast() {
        guard let tail = tail, let previous = tail.previous else {
            head = nil
            tail = nil
            return
        }
        previous.next = nil
        tail.previous = nil
        tail = previous
    }
}

private final class LinkedListNode<Element> {
    var value: Element
    var previous: LinkedListNode?
    var next: LinkedListNode?

    init(value: Element) {
        self.value = value
    }
}
```

protocol CacheProtocol {
    associatedtype Key: Hashable
    associatedtype Element
    init(capacity: Int)
    subscript(key: Key) -> Element? { get set }
}

class Cache<Key: Hashable, Element>: CacheProtocol {
    private typealias Node = (key: Key, value: Element)
    private typealias NodeList = LinkedList<Node>

    private let capacity: Int
    private var nodes = [Key: NodeList.Node]()
    private var list = NodeList()

    init(capacity: Int) {
        self.capacity = capacity
    }

    subscript(key: Key) -> Element? {
        get {
            guard let node = nodes[key] else { return nil }
            list.moveNodeToFront(node)
            return node.value.value
        }
        set {
            if let oldNode = nodes[key] {
                oldNode.value.value = .init(key: key, value: newValue!)
                list.moveNodeToFront(oldNode)
            } else {
                if nodes.count == capacity {
                    let lastNode = list.last
                    nodes[lastNode.value.key] = nil
                    list.removeLast()
                }
                let newNode = list.add(.init(key: key, value: newValue!))
                nodes[key] = newNode
            }
        }
    }
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Generic in-memory cache that follows to the LRU (Least Recently Used) eviction policy.
The cache should have a specified capacity limit, and when this limit is reached, it should remove the least recently used item to make space for new entries.
### Response:
```swift
protocol CacheProtocol {
    associatedtype Key: Hashable
    associatedtype Element
    init(capacity: Int)
    subscript(key: Key) -> Element? { get set }
}

class Cache<Key: Hashable, Element>: CacheProtocol {
    private typealias Node = (key: Key, value: Element)
    private typealias NodeList = LinkedList<Node>

    private let capacity: Int
    private var nodes = [Key: NodeList.Node]()
    private var list = NodeList()

    init(capacity: Int) {
        self.capacity = capacity
    }

    subscript(key: Key) -> Element? {
        get {
            guard let node = nodes[key] else { return nil }
            list.moveNodeToFront(node)
            return node.value.value
        }
        set {
            if let oldNode = nodes[key] {
                oldNode.value.value = .init(key: key, value: newValue!)
                list.moveNodeToFront(oldNode)
            } else {
                if nodes.count == capacity {
                    let lastNode = list.last
                    nodes[lastNode.value.key] = nil
                    list.removeLast()
                }
                let newNode = list.add(.init(key: key, value: newValue!))
                nodes[key] = newNode
            }
        }
    }
}

private final class LinkedList<Element> {
    private typealias Node = LinkedListNode<Element>

    private var head: Node?
    private var tail: Node?

    var first: Node? { return head }
    var last: Node? { return tail }

    func add(_ element: Element) -> Node {
        let node = Node(value: element)
        if let tail = tail {
            tail.next = node
            node.previous = tail
        } else {
            head = node
        }
        tail = node
        return node
    }

    func removeLast() {
        guard let tail = tail, let previous = tail.previous else {
            head = nil
            tail = nil
            return
        }
        previous.next = nil
        tail.previous = nil
        tail = previous
    }

    func moveNodeToFront(_ node: Node) {
        if node === head { return }
        node.detach()
        node.next = head
        head?.previous = node
        head = node
    }
}

private final class LinkedListNode<Element> {
    let value: Element
    var previous: LinkedListNode?
    var next: LinkedListNode?

    init(value: Element) {
        self.value = value
    }

    func detach() {
        previous?.next = next
        next?.previous = previous
        previous = nil
        next = nil
    }
}
```

protocol CacheProtocol {
    associatedtype Key: Hashable
    associatedtype Element
    init(capacity: Int)
    subscript(key: Key) -> Element? { get set }
}

class Cache<Key: Hashable, Element>: CacheProtocol {
    private typealias Node = (key: Key, value: Element)
    private typealias List = LinkedList<Node>
    private typealias Map = Dictionary<Key, List.Node>

    private let map: Map
    private let list: List
    private let capacity: Int

    init(capacity: Int) {
        self.capacity = max(0, capacity)
        map = Dictionary()
        list = LinkedList()
    }

    subscript(key: Key) -> Element? {
        get {
            guard let node = map[key] else { return nil }
            list.moveNodeToFront(node)
            return node.value.value
        }
        set(newValue) {
            if let oldValue = map[key], let value = newValue {
                list.moveNodeToFront(oldValue)
                oldValue.value.value = value
            } else {
                let node = Node(key: key, value: newValue!)
                map[key] = list.insertNode(node)
                if list.count > capacity {
                    let lastNode = list.removeLast()
                    map[lastNode.value.key] = nil
                }
            }
        }
    }
}

private extension List {
    func moveNodeToFront(_ node: Node) {
        defer { node.next = first }
        if node.prev != nil {
            node.prev?.next = node.next
            node.next?.prev = node.prev
        } else {
            first?.prev = node.next
        }
        node.prev = nil
        node.next = first
        first = node
    }
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Generic in-memory cache that follows to the LRU (Least Recently Used) eviction policy.
The cache should have a specified capacity limit, and when this limit is reached, it should remove the least recently used item to make space for new entries.
### Response:
```swift
protocol CacheProtocol {
    associatedtype Key: Hashable
    associatedtype Element
    init(capacity: Int)
    subscript(key: Key) -> Element? { get set }
}

class Cache<Key: Hashable, Element>: CacheProtocol {
    private typealias Node = (key: Key, value: Element)
    private typealias List = LinkedList<Node>
    private typealias Map = Dictionary<Key, List.Node>

    private let map: Map
    private let list: List
    private let capacity: Int

    init(capacity: Int) {
        self.capacity = max(0, capacity)
        map = Dictionary()
        list = LinkedList()
    }

    subscript(key: Key) -> Element? {
        get {
            guard let node = map[key] else { return nil }
            list.moveNodeToFront(node)
            return node.value.value
        }
        set(newValue) {
            if let oldValue = map[key], let value = newValue {
                list.moveNodeToFront(oldValue)
                oldValue.value.value = value
            } else {
                let node = Node(key: key, value: newValue!)
                map[key] = list.insertNode(node)
                if list.count > capacity {
                    let lastNode = list.removeLast()
                    map[lastNode.value.key] = nil
                }
            }
        }
    }
}

private extension List {
    func moveNodeToFront(_ node: Node) {
        defer { node.next = first }
        if node.prev != nil {
            node.prev?.next = node.next
            node.next?.prev = node.prev
        } else {
            first?.prev = node.next
        }
        node.prev = nil
        node.next = first
        first = node
    }
}
```

protocol ExpirableCacheProtocol {
    associatedtype Key: Hashable
    associatedtype Value
    func put(value: Value, key: Key, expiration: TimeInterval)
    func get(key: Key) -> Value?
}

class ExpirableCache<Key: Hashable, Value: Any>: ExpirableCacheProtocol {
    private var cache: [Key: (Value, Date)] = [:]

    func put(value: Value, key: Key, expiration: TimeInterval) {
        let expirationDate = Date(timeIntervalSinceNow: expiration)
        cache[key] = (value, expirationDate)
    }

    func get(key: Key) -> Value? {
        if let (value, expirationDate) = cache[key], expirationDate > Date() {
            return value
        } else {
            cache.removeValue(forKey: key)
            return nil
        }
    }

    subscript(key: Key) -> Value? {
        get(key: key)
    }
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Caching mechanism with expiration eviction policy.
Subscript methods used for convenient access.
### Response:
```swift
protocol ExpirableCacheProtocol {
    associatedtype Key: Hashable
    associatedtype Value
    func put(value: Value, key: Key, expiration: TimeInterval)
    func get(key: Key) -> Value?
}

class ExpirableCache<Key: Hashable, Value: Any>: ExpirableCacheProtocol {
    private var cache: [Key: (Value, Date)] = [:]

    func put(value: Value, key: Key, expiration: TimeInterval) {
        let expirationDate = Date(timeIntervalSinceNow: expiration)
        cache[key] = (value, expirationDate)
    }

    func get(key: Key) -> Value? {
        if let (value, expirationDate) = cache[key], expirationDate > Date() {
            return value
        } else {
            cache.removeValue(forKey: key)
            return nil
        }
    }

    subscript(key: Key) -> Value? {
        get(key: key)
    }
}
```

protocol ExpirableCacheProtocol {
    associatedtype Key: Hashable
    associatedtype Value
    func put(value: Value, key: Key, expiration: TimeInterval)
    func get(key: Key) -> Value?
}

class ExpirableCache<Key: Hashable, Value: Any>: ExpirableCacheProtocol {
    private var cache: [Key: (Value, Date)] = [:]

    func put(value: Value, key: Key, expiration: TimeInterval) {
        let expirationDate = Date(timeIntervalSinceNow: expiration)
        cache[key] = (value, expirationDate)
    }

    func get(key: Key) -> Value? {
        if let (value, expirationDate) = cache[key], expirationDate > Date() {
            return value
        } else {
            cache.removeValue(forKey: key)
            return nil
        }
    }

    subscript(key: Key) -> Value? {
        get(key: key)
    }
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Caching mechanism with expiration eviction policy.
Subscript methods used for convenient access.
### Response:
```swift
protocol ExpirableCacheProtocol {
    associatedtype Key: Hashable
    associatedtype Value
    func put(value: Value, key: Key, expiration: TimeInterval)
    func get(key: Key) -> Value?
}

class ExpirableCache<Key: Hashable, Value: Any>: ExpirableCacheProtocol {
    private var cache: [Key: (Value, Date)] = [:]

    func put(value: Value, key: Key, expiration: TimeInterval) {
        let expirationDate = Date(timeIntervalSinceNow: expiration)
        cache[key] = (value, expirationDate)
    }

    func get(key: Key) -> Value? {
        if let (value, expirationDate) = cache[key], expirationDate > Date() {
            return value
        } else {
            cache.removeValue(forKey: key)
            return nil
        }
    }

    subscript(key: Key) -> Value? {
        get(key: key)
    }
}
```

protocol ExpirableCacheProtocol {
    associatedtype Key: Hashable
    associatedtype Value
    func put(value: Value, key: Key, expiration: TimeInterval)
    func get(key: Key) -> Value?
}

class ExpirableCache<Key: Hashable, Value: Any>: ExpirableCacheProtocol {
    private var cache: [Key: Value] = [:]
    private var expirationDates: [Key: DispatchTime] = [:]
    
    func put(value: Value, key: Key, expiration: TimeInterval) {
        cache[key] = value
        let expirationDate = DispatchTime.now() + .seconds(Int64(expiration))
        expirationDates[key] = expirationDate
        
        DispatchQueue.main.asyncAfter(deadline: expirationDate) {
            self.remove(key: key)
        }
    }
    
    func get(key: Key) -> Value? {
        return cache[key]
    }
    
    subscript(key: Key) -> Value? {
        get(key: key)
    }
    
    private func remove(key: Key) {
        cache[key] = nil
        expirationDates[key] = nil
    }
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Caching mechanism with expiration eviction policy.
Subscript methods used for convenient access.
### Response:
```swift
protocol ExpirableCacheProtocol {
    associatedtype Key: Hashable
    associatedtype Value
    func put(value: Value, key: Key, expiration: TimeInterval)
    func get(key: Key) -> Value?
}

class ExpirableCache<Key: Hashable, Value: Any>: ExpirableCacheProtocol {
    private var cache: [Key: Value] = [:]
    private var expirationDates: [Key: DispatchTime] = [:]
    
    func put(value: Value, key: Key, expiration: TimeInterval) {
        cache[key] = value
        let expirationDate = DispatchTime.now() + .seconds(Int64(expiration))
        expirationDates[key] = expirationDate
        
        DispatchQueue.main.asyncAfter(deadline: expirationDate) {
            self.remove(key: key)
        }
    }
    
    func get(key: Key) -> Value? {
        return cache[key]
    }
    
    subscript(key: Key) -> Value? {
        get(key: key)
    }
    
    private func remove(key: Key) {
        cache[key] = nil
        expirationDates[key] = nil
    }
}
```

protocol ExpirableCacheProtocol {
    associatedtype Key: Hashable
    associatedtype Value
    func put(value: Value, key: Key, expiration: TimeInterval)
    func get(key: Key) -> Value?
}

class ExpirableCache<Key: Hashable, Value: Any>: ExpirableCacheProtocol {
    private var cache: [Key: Value] = [:]
    private var expirationDates: [Key: Date] = [:]

    func put(value: Value, key: Key, expiration: TimeInterval) {
        cache[key] = value
        expirationDates[key] = Date(timeIntervalSinceNow: expiration)
    }

    func get(key: Key) -> Value? {
        if let expirationDate = expirationDates[key], expirationDate > Date() {
            return cache[key]
        } else {
            cache[key] = nil
            expirationDates[key] = nil
            return nil
        }
    }

    subscript(key: Key) -> Value? {
        get(key: key)
    }
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Caching mechanism with expiration eviction policy.
Subscript methods used for convenient access.
### Response:
```swift
protocol ExpirableCacheProtocol {
    associatedtype Key: Hashable
    associatedtype Value
    func put(value: Value, key: Key, expiration: TimeInterval)
    func get(key: Key) -> Value?
}

class ExpirableCache<Key: Hashable, Value: Any>: ExpirableCacheProtocol {
    private var cache: [Key: Value] = [:]
    private var expirationDates: [Key: Date] = [:]

    func put(value: Value, key: Key, expiration: TimeInterval) {
        cache[key] = value
        expirationDates[key] = Date(timeIntervalSinceNow: expiration)
    }

    func get(key: Key) -> Value? {
        if let expirationDate = expirationDates[key], expirationDate > Date() {
            return cache[key]
        } else {
            cache[key] = nil
            expirationDates[key] = nil
            return nil
        }
    }

    subscript(key: Key) -> Value? {
        get(key: key)
    }
}
```

protocol ExpirableCacheProtocol {
    associatedtype Key: Hashable
    associatedtype Value
    func put(value: Value, key: Key, expiration: TimeInterval)
    func get(key: Key) -> Value?
}

class ExpirableCache<Key: Hashable, Value: Any>: ExpirableCacheProtocol {
    private var cache: [Key: Value] = [:]
    private var expirationDates: [Key: Date] = [:]

    func put(value: Value, key: Key, expiration: TimeInterval) {
        cache[key] = value
        expirationDates[key] = Date(timeIntervalSinceNow: expiration)
    }

    func get(key: Key) -> Value? {
        if let expirationDate = expirationDates[key], expirationDate > Date() {
            return cache[key]
        } else {
            cache[key] = nil
            expirationDates[key] = nil
            return nil
        }
    }

    subscript(key: Key) -> Value? {
        get(key: key)
    }
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Caching mechanism with expiration eviction policy.
Subscript methods used for convenient access.
### Response:
```swift
protocol ExpirableCacheProtocol {
    associatedtype Key: Hashable
    associatedtype Value
    func put(value: Value, key: Key, expiration: TimeInterval)
    func get(key: Key) -> Value?
}

class ExpirableCache<Key: Hashable, Value: Any>: ExpirableCacheProtocol {
    private var cache: [Key: Value] = [:]
    private var expirationDates: [Key: Date] = [:]

    func put(value: Value, key: Key, expiration: TimeInterval) {
        cache[key] = value
        expirationDates[key] = Date(timeIntervalSinceNow: expiration)
    }

    func get(key: Key) -> Value? {
        if let expirationDate = expirationDates[key], expirationDate > Date() {
            return cache[key]
        } else {
            cache[key] = nil
            expirationDates[key] = nil
            return nil
        }
    }

    subscript(key: Key) -> Value? {
        get(key: key)
    }
}
```

protocol ExpirableCacheProtocol {
    associatedtype Key: Hashable
    associatedtype Value
    func put(value: Value, key: Key, expiration: TimeInterval)
    func get(key: Key) -> Value?
}

class ExpirableCache<Key: Hashable, Value: Any>: ExpirableCacheProtocol {
    private var cache: [Key: Value] = [:]
    private var expirationDates: [Key: Date] = [:]

    func put(value: Value, key: Key, expiration: TimeInterval) {
        cache[key] = value
        expirationDates[key] = Date(timeIntervalSinceNow: expiration)
    }

    func get(key: Key) -> Value? {
        if let expirationDate = expirationDates[key], expirationDate > Date() {
            return cache[key]
        } else {
            cache[key] = nil
            expirationDates[key] = nil
            return nil
        }
    }

    subscript(key: Key) -> Value? {
        get(key: key)
    }
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Caching mechanism with expiration eviction policy.
Subscript methods used for convenient access.
### Response:
```swift
protocol ExpirableCacheProtocol {
    associatedtype Key: Hashable
    associatedtype Value
    func put(value: Value, key: Key, expiration: TimeInterval)
    func get(key: Key) -> Value?
}

class ExpirableCache<Key: Hashable, Value: Any>: ExpirableCacheProtocol {
    private var cache: [Key: Value] = [:]
    private var expirationDates: [Key: Date] = [:]

    func put(value: Value, key: Key, expiration: TimeInterval) {
        cache[key] = value
        expirationDates[key] = Date(timeIntervalSinceNow: expiration)
    }

    func get(key: Key) -> Value? {
        if let expirationDate = expirationDates[key], expirationDate > Date() {
            return cache[key]
        } else {
            cache[key] = nil
            expirationDates[key] = nil
            return nil
        }
    }

    subscript(key: Key) -> Value? {
        get(key: key)
    }
}
```

protocol ExpirableCacheProtocol {
    associatedtype Key: Hashable
    associatedtype Value
    func put(value: Value, key: Key, expiration: TimeInterval)
    func get(key: Key) -> Value?
}

class ExpirableCache<Key: Hashable, Value: Any>: ExpirableCacheProtocol {
    private var cache: [Key: (Value, Date)] = [:]

    func put(value: Value, key: Key, expiration: TimeInterval) {
        let expirationDate = Date(timeIntervalSinceNow: expiration)
        cache[key] = (value, expirationDate)
    }

    func get(key: Key) -> Value? {
        if let (value, expirationDate) = cache[key], expirationDate > Date() {
            return value
        } else {
            cache.removeValue(forKey: key)
            return nil
        }
    }

    subscript(key: Key) -> Value? {
        get(key: key)
    }
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Caching mechanism with expiration eviction policy.
Subscript methods used for convenient access.
### Response:
```swift
protocol ExpirableCacheProtocol {
    associatedtype Key: Hashable
    associatedtype Value
    func put(value: Value, key: Key, expiration: TimeInterval)
    func get(key: Key) -> Value?
}

class ExpirableCache<Key: Hashable, Value: Any>: ExpirableCacheProtocol {
    private var cache: [Key: (Value, Date)] = [:]

    func put(value: Value, key: Key, expiration: TimeInterval) {
        let expirationDate = Date(timeIntervalSinceNow: expiration)
        cache[key] = (value, expirationDate)
    }

    func get(key: Key) -> Value? {
        if let (value, expirationDate) = cache[key], expirationDate > Date() {
            return value
        } else {
            cache.removeValue(forKey: key)
            return nil
        }
    }

    subscript(key: Key) -> Value? {
        get(key: key)
    }
}
```

protocol ExpirableCacheProtocol {
    associatedtype Key: Hashable
    associatedtype Value
    func put(value: Value, key: Key, expiration: TimeInterval)
    func get(key: Key) -> Value?
}

class ExpirableCache<Key: Hashable, Value: Any>: ExpirableCacheProtocol {
    private var cache: [Key: Value] = [:]
    private var expirationDates: [Key: Date] = [:]

    func put(value: Value, key: Key, expiration: TimeInterval) {
        cache[key] = value
        expirationDates[key] = Date(timeIntervalSinceNow: expiration)
    }

    func get(key: Key) -> Value? {
        if let expirationDate = expirationDates[key], expirationDate > Date() {
            return cache[key]
        } else {
            cache[key] = nil
            expirationDates[key] = nil
            return nil
        }
    }

    subscript(key: Key) -> Value? {
        get(key: key)
    }
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Caching mechanism with expiration eviction policy.
Subscript methods used for convenient access.
### Response:
```swift
protocol ExpirableCacheProtocol {
    associatedtype Key: Hashable
    associatedtype Value
    func put(value: Value, key: Key, expiration: TimeInterval)
    func get(key: Key) -> Value?
}

class ExpirableCache<Key: Hashable, Value: Any>: ExpirableCacheProtocol {
    private var cache: [Key: Value] = [:]
    private var expirationDates: [Key: Date] = [:]

    func put(value: Value, key: Key, expiration: TimeInterval) {
        cache[key] = value
        expirationDates[key] = Date(timeIntervalSinceNow: expiration)
    }

    func get(key: Key) -> Value? {
        if let expirationDate = expirationDates[key], expirationDate > Date() {
            return cache[key]
        } else {
            cache[key] = nil
            expirationDates[key] = nil
            return nil
        }
    }

    subscript(key: Key) -> Value? {
        get(key: key)
    }
}
```

protocol ExpirableCacheProtocol {
    associatedtype Key: Hashable
    associatedtype Value
    func put(value: Value, key: Key, expiration: TimeInterval)
    func get(key: Key) -> Value?
}

class ExpirableCache<Key: Hashable, Value: Any>: ExpirableCacheProtocol {
    private var cache: [Key: (Value, Date)] = [:]

    func put(value: Value, key: Key, expiration: TimeInterval) {
        let expirationDate = Date(timeIntervalSinceNow: expiration)
        cache[key] = (value, expirationDate)
    }

    func get(key: Key) -> Value? {
        if let (value, expirationDate) = cache[key], expirationDate > Date() {
            return value
        } else {
            cache.removeValue(forKey: key)
            return nil
        }
    }

    subscript(key: Key) -> Value? {
        get(key: key)
    }
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Caching mechanism with expiration eviction policy.
Subscript methods used for convenient access.
### Response:
```swift
protocol ExpirableCacheProtocol {
    associatedtype Key: Hashable
    associatedtype Value
    func put(value: Value, key: Key, expiration: TimeInterval)
    func get(key: Key) -> Value?
}

class ExpirableCache<Key: Hashable, Value: Any>: ExpirableCacheProtocol {
    private var cache: [Key: (Value, Date)] = [:]

    func put(value: Value, key: Key, expiration: TimeInterval) {
        let expirationDate = Date(timeIntervalSinceNow: expiration)
        cache[key] = (value, expirationDate)
    }

    func get(key: Key) -> Value? {
        if let (value, expirationDate) = cache[key], expirationDate > Date() {
            return value
        } else {
            cache.removeValue(forKey: key)
            return nil
        }
    }

    subscript(key: Key) -> Value? {
        get(key: key)
    }
}
```

protocol ExpirableCacheProtocol {
    associatedtype Key: Hashable
    associatedtype Value
    func put(value: Value, key: Key, expiration: TimeInterval)
    func get(key: Key) -> Value?
}

class ExpirableCache<Key: Hashable, Value: Any>: ExpirableCacheProtocol {
    private var cache: [Key: (Value, Date)] = [:]

    func put(value: Value, key: Key, expiration: TimeInterval) {
        cache[key] = (value, Date(timeIntervalSinceNow: expiration))
    }

    func get(key: Key) -> Value? {
        if let (value, expiration) = cache[key], expiration > Date() {
            return value
        } else {
            cache.removeValue(forKey: key)
            return nil
        }
    }

    subscript(key: Key) -> Value? {
        get(key: key)
    }
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Caching mechanism with expiration eviction policy.
Subscript methods used for convenient access.
### Response:
```swift
protocol ExpirableCacheProtocol {
    associatedtype Key: Hashable
    associatedtype Value
    func put(value: Value, key: Key, expiration: TimeInterval)
    func get(key: Key) -> Value?
}

class ExpirableCache<Key: Hashable, Value: Any>: ExpirableCacheProtocol {
    private var cache: [Key: (Value, Date)] = [:]

    func put(value: Value, key: Key, expiration: TimeInterval) {
        cache[key] = (value, Date(timeIntervalSinceNow: expiration))
    }

    func get(key: Key) -> Value? {
        if let (value, expiration) = cache[key], expiration > Date() {
            return value
        } else {
            cache.removeValue(forKey: key)
            return nil
        }
    }

    subscript(key: Key) -> Value? {
        get(key: key)
    }
}
```

protocol EncryptorProtocol {
    func encrypt(_ string: String, _ key: String) -> Data
    func decrypt(_ data: Data, _ key: String) -> String
}

class Encryptor: EncryptorProtocol {
    func encrypt(_ string: String, _ key: String) -> Data {
        let stringData = string.data(using: .utf8)!
        let keyData = key.data(using: .utf8)!
        var encryptedData = Data(repeating: 0, count: stringData.count)
        
        for (index, byte) in stringData.enumerated() {
            let keyByte = keyData[index % keyData.count]
            encryptedData[index] = byte ^ keyByte
        }
        
        return encryptedData
    }
    
    func decrypt(_ data: Data, _ key: String) -> String {
        let keyData = key.data(using: .utf8)!
        var decryptedData = Data(repeating: 0, count: data.count)
        
        for (index, byte) in data.enumerated() {
            let keyByte = keyData[index % keyData.count]
            decryptedData[index] = byte ^ keyByte
        }
        
        if let string = String(data: decryptedData, encoding: .utf8) {
            return string
        } else {
            return ""
        }
    }
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Simple XOR encryptor and decryptor that converts plain text into encrypted text by applying the binary 'Exclusive OR' operator implemented according to the protocol.
### Response:
```swift
protocol EncryptorProtocol {
    func encrypt(_ string: String, _ key: String) -> Data
    func decrypt(_ data: Data, _ key: String) -> String
}

class Encryptor: EncryptorProtocol {
    func encrypt(_ string: String, _ key: String) -> Data {
        let stringData = string.data(using: .utf8)!
        let keyData = key.data(using: .utf8)!
        var encryptedData = Data(repeating: 0, count: stringData.count)
        
        for (index, byte) in stringData.enumerated() {
            let keyByte = keyData[index % keyData.count]
            encryptedData[index] = byte ^ keyByte
        }
        
        return encryptedData
    }
    
    func decrypt(_ data: Data, _ key: String) -> String {
        let keyData = key.data(using: .utf8)!
        var decryptedData = Data(repeating: 0, count: data.count)
        
        for (index, byte) in data.enumerated() {
            let keyByte = keyData[index % keyData.count]
            decryptedData[index] = byte ^ keyByte
        }
        
        if let string = String(data: decryptedData, encoding: .utf8) {
            return string
        } else {
            return ""
        }
    }
}
```

protocol EncryptorProtocol {
    func encrypt(_ string: String, _ key: String) -> Data
    func decrypt(_ data: Data, _ key: String) -> String
}

class Encryptor: EncryptorProtocol {
    func encrypt(_ string: String, _ key: String) -> Data {
        let stringData = string.data(using: .utf8)!
        let keyData = key.data(using: .utf8)!
        let xorData = stringData.mapIndexed { (byte, index) -> UInt8 in
            return byte ^ keyData[index % keyData.count]
        }
        return Data(xorData)
    }
    
    func decrypt(_ data: Data, _ key: String) -> String {
        let keyData = key.data(using: .utf8)!
        let xorData = data.mapIndexed { (byte, index) -> UInt8 in
            return byte ^ keyData[index % keyData.count]
        }
        if let string = String(bytes: xorData, encoding: .utf8) {
            return string
        } else {
            return ""
        }
    }
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Simple XOR encryptor and decryptor that converts plain text into encrypted text by applying the binary 'Exclusive OR' operator implemented according to the protocol.
### Response:
```swift
protocol EncryptorProtocol {
    func encrypt(_ string: String, _ key: String) -> Data
    func decrypt(_ data: Data, _ key: String) -> String
}

class Encryptor: EncryptorProtocol {
    func encrypt(_ string: String, _ key: String) -> Data {
        let stringData = string.data(using: .utf8)!
        let keyData = key.data(using: .utf8)!
        let xorData = stringData.mapIndexed { (byte, index) -> UInt8 in
            return byte ^ keyData[index % keyData.count]
        }
        return Data(xorData)
    }
    
    func decrypt(_ data: Data, _ key: String) -> String {
        let keyData = key.data(using: .utf8)!
        let xorData = data.mapIndexed { (byte, index) -> UInt8 in
            return byte ^ keyData[index % keyData.count]
        }
        if let string = String(bytes: xorData, encoding: .utf8) {
            return string
        } else {
            return ""
        }
    }
}
```

protocol EncryptorProtocol {
    func encrypt(_ string: String, _ key: String) -> Data
    func decrypt(_ data: Data, _ key: String) -> String
}

class Encryptor: EncryptorProtocol {
    func encrypt(_ string: String, _ key: String) -> Data {
        let stringData = string.data(using: .utf8)!
        let keyData = key.data(using: .utf8)!
        
        var encryptedData = Data(repeating: 0, count: stringData.count)
        for (i, byte) in stringData.enumerated() {
            let keyByte = keyData[i % keyData.count]
            encryptedData.append(byte ^ keyByte)
        }
        
        return encryptedData
    }
    
    func decrypt(_ data: Data, _ key: String) -> String {
        let keyData = key.data(using: .utf8)!
        
        var decryptedData = Data(repeating: 0, count: data.count)
        for (i, byte) in data.enumerated() {
            let keyByte = keyData[i % keyData.count]
            decryptedData.append(byte ^ keyByte)
        }
        
        if let string = String(data: decryptedData, encoding: .utf8) {
            return string
        } else {
            return ""
        }
    }
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Simple XOR encryptor and decryptor that converts plain text into encrypted text by applying the binary 'Exclusive OR' operator implemented according to the protocol.
### Response:
```swift
protocol EncryptorProtocol {
    func encrypt(_ string: String, _ key: String) -> Data
    func decrypt(_ data: Data, _ key: String) -> String
}

class Encryptor: EncryptorProtocol {
    func encrypt(_ string: String, _ key: String) -> Data {
        let stringData = string.data(using: .utf8)!
        let keyData = key.data(using: .utf8)!
        
        var encryptedData = Data(repeating: 0, count: stringData.count)
        for (i, byte) in stringData.enumerated() {
            let keyByte = keyData[i % keyData.count]
            encryptedData.append(byte ^ keyByte)
        }
        
        return encryptedData
    }
    
    func decrypt(_ data: Data, _ key: String) -> String {
        let keyData = key.data(using: .utf8)!
        
        var decryptedData = Data(repeating: 0, count: data.count)
        for (i, byte) in data.enumerated() {
            let keyByte = keyData[i % keyData.count]
            decryptedData.append(byte ^ keyByte)
        }
        
        if let string = String(data: decryptedData, encoding: .utf8) {
            return string
        } else {
            return ""
        }
    }
}
```

protocol EncryptorProtocol {
    func encrypt(_ string: String, _ key: String) -> Data
    func decrypt(_ data: Data, _ key: String) -> String
}

class Encryptor: EncryptorProtocol {
    func encrypt(_ string: String, _ key: String) -> Data {
        let stringData = string.data(using: .utf8)!
        let keyData = key.data(using: .utf8)!
        
        var encryptedData = Data(repeating: 0, count: stringData.count)
        for (i, byte) in stringData.enumerated() {
            let keyByte = keyData[i % keyData.count]
            encryptedData[i] = byte ^ keyByte
        }
        
        return encryptedData
    }
    
    func decrypt(_ data: Data, _ key: String) -> String {
        let keyData = key.data(using: .utf8)!
        
        var decryptedData = Data(repeating: 0, count: data.count)
        for (i, byte) in data.enumerated() {
            let keyByte = keyData[i % keyData.count]
            decryptedData[i] = byte ^ keyByte
        }
        
        if let string = String(data: decryptedData, encoding: .utf8) {
            return string
        } else {
            return ""
        }
    }
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Simple XOR encryptor and decryptor that converts plain text into encrypted text by applying the binary 'Exclusive OR' operator implemented according to the protocol.
### Response:
```swift
protocol EncryptorProtocol {
    func encrypt(_ string: String, _ key: String) -> Data
    func decrypt(_ data: Data, _ key: String) -> String
}

class Encryptor: EncryptorProtocol {
    func encrypt(_ string: String, _ key: String) -> Data {
        let stringData = string.data(using: .utf8)!
        let keyData = key.data(using: .utf8)!
        
        var encryptedData = Data(repeating: 0, count: stringData.count)
        for (i, byte) in stringData.enumerated() {
            let keyByte = keyData[i % keyData.count]
            encryptedData[i] = byte ^ keyByte
        }
        
        return encryptedData
    }
    
    func decrypt(_ data: Data, _ key: String) -> String {
        let keyData = key.data(using: .utf8)!
        
        var decryptedData = Data(repeating: 0, count: data.count)
        for (i, byte) in data.enumerated() {
            let keyByte = keyData[i % keyData.count]
            decryptedData[i] = byte ^ keyByte
        }
        
        if let string = String(data: decryptedData, encoding: .utf8) {
            return string
        } else {
            return ""
        }
    }
}
```

protocol EncryptorProtocol {
    func encrypt(_ string: String, _ key: String) -> Data
    func decrypt(_ data: Data, _ key: String) -> String
}

class Encryptor: EncryptorProtocol {
    func encrypt(_ string: String, _ key: String) -> Data {
        let stringData = string.data(using: .utf8)!
        let keyData = key.data(using: .utf8)!
        
        var encryptedData = Data(repeating: 0, count: stringData.count)
        for (index, byte) in stringData.enumerated() {
            let keyIndex = index % keyData.count
            let keyByte = keyData[keyIndex]
            encryptedData[index] = byte ^ keyByte
        }
        
        return encryptedData
    }
    
    func decrypt(_ data: Data, _ key: String) -> String {
        let keyData = key.data(using: .utf8)!
        
        var decryptedData = Data(repeating: 0, count: data.count)
        for (index, byte) in data.enumerated() {
            let keyIndex = index % keyData.count
            let keyByte = keyData[keyIndex]
            decryptedData[index] = byte ^ keyByte
        }
        
        if let string = String(data: decryptedData, encoding: .utf8) {
            return string
        } else {
            return ""
        }
    }
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Simple XOR encryptor and decryptor that converts plain text into encrypted text by applying the binary 'Exclusive OR' operator implemented according to the protocol.
### Response:
```swift
protocol EncryptorProtocol {
    func encrypt(_ string: String, _ key: String) -> Data
    func decrypt(_ data: Data, _ key: String) -> String
}

class Encryptor: EncryptorProtocol {
    func encrypt(_ string: String, _ key: String) -> Data {
        let stringData = string.data(using: .utf8)!
        let keyData = key.data(using: .utf8)!
        
        var encryptedData = Data(repeating: 0, count: stringData.count)
        for (index, byte) in stringData.enumerated() {
            let keyIndex = index % keyData.count
            let keyByte = keyData[keyIndex]
            encryptedData[index] = byte ^ keyByte
        }
        
        return encryptedData
    }
    
    func decrypt(_ data: Data, _ key: String) -> String {
        let keyData = key.data(using: .utf8)!
        
        var decryptedData = Data(repeating: 0, count: data.count)
        for (index, byte) in data.enumerated() {
            let keyIndex = index % keyData.count
            let keyByte = keyData[keyIndex]
            decryptedData[index] = byte ^ keyByte
        }
        
        if let string = String(data: decryptedData, encoding: .utf8) {
            return string
        } else {
            return ""
        }
    }
}
```

protocol EncryptorProtocol {
    func encrypt(_ string: String, _ key: String) -> Data
    func decrypt(_ data: Data, _ key: String) -> String
}

class Encryptor: EncryptorProtocol {
    func encrypt(_ string: String, _ key: String) -> Data {
        let stringData = string.data(using: .utf8)!
        let keyData = key.data(using: .utf8)!
        var encryptedData = Data(repeating: 0, count: stringData.count)
        
        for (index, byte) in stringData.enumerated() {
            let keyByte = keyData[index % keyData.count]
            encryptedData[index] = byte ^ keyByte
        }
        
        return encryptedData
    }
    
    func decrypt(_ data: Data, _ key: String) -> String {
        let keyData = key.data(using: .utf8)!
        var decryptedData = Data(repeating: 0, count: data.count)
        
        for (index, byte) in data.enumerated() {
            let keyByte = keyData[index % keyData.count]
            decryptedData[index] = byte ^ keyByte
        }
        
        if let string = String(data: decryptedData, encoding: .utf8) {
            return string
        } else {
            return ""
        }
    }
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Simple XOR encryptor and decryptor that converts plain text into encrypted text by applying the binary 'Exclusive OR' operator implemented according to the protocol.
### Response:
```swift
protocol EncryptorProtocol {
    func encrypt(_ string: String, _ key: String) -> Data
    func decrypt(_ data: Data, _ key: String) -> String
}

class Encryptor: EncryptorProtocol {
    func encrypt(_ string: String, _ key: String) -> Data {
        let stringData = string.data(using: .utf8)!
        let keyData = key.data(using: .utf8)!
        var encryptedData = Data(repeating: 0, count: stringData.count)
        
        for (index, byte) in stringData.enumerated() {
            let keyByte = keyData[index % keyData.count]
            encryptedData[index] = byte ^ keyByte
        }
        
        return encryptedData
    }
    
    func decrypt(_ data: Data, _ key: String) -> String {
        let keyData = key.data(using: .utf8)!
        var decryptedData = Data(repeating: 0, count: data.count)
        
        for (index, byte) in data.enumerated() {
            let keyByte = keyData[index % keyData.count]
            decryptedData[index] = byte ^ keyByte
        }
        
        if let string = String(data: decryptedData, encoding: .utf8) {
            return string
        } else {
            return ""
        }
    }
}
```

protocol EncryptorProtocol {
    func encrypt(_ string: String, _ key: String) -> Data
    func decrypt(_ data: Data, _ key: String) -> String
}

class Encryptor: EncryptorProtocol {
    func encrypt(_ string: String, _ key: String) -> Data {
        let stringData = string.data(using: .utf8)!
        let keyData = key.data(using: .utf8)!
        
        var encryptedData = Data(repeating: 0, count: stringData.count)
        for (index, byte) in stringData.enumerated() {
            let keyByte = keyData[index % keyData.count]
            encryptedData[index] = byte ^ keyByte
        }
        
        return encryptedData
    }
    
    func decrypt(_ data: Data, _ key: String) -> String {
        let keyData = key.data(using: .utf8)!
        
        var decryptedData = Data(repeating: 0, count: data.count)
        for (index, byte) in data.enumerated() {
            let keyByte = keyData[index % keyData.count]
            decryptedData[index] = byte ^ keyByte
        }
        
        if let string = String(data: decryptedData, encoding: .utf8) {
            return string
        } else {
            return ""
        }
    }
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Simple XOR encryptor and decryptor that converts plain text into encrypted text by applying the binary 'Exclusive OR' operator implemented according to the protocol.
### Response:
```swift
protocol EncryptorProtocol {
    func encrypt(_ string: String, _ key: String) -> Data
    func decrypt(_ data: Data, _ key: String) -> String
}

class Encryptor: EncryptorProtocol {
    func encrypt(_ string: String, _ key: String) -> Data {
        let stringData = string.data(using: .utf8)!
        let keyData = key.data(using: .utf8)!
        
        var encryptedData = Data(repeating: 0, count: stringData.count)
        for (index, byte) in stringData.enumerated() {
            let keyByte = keyData[index % keyData.count]
            encryptedData[index] = byte ^ keyByte
        }
        
        return encryptedData
    }
    
    func decrypt(_ data: Data, _ key: String) -> String {
        let keyData = key.data(using: .utf8)!
        
        var decryptedData = Data(repeating: 0, count: data.count)
        for (index, byte) in data.enumerated() {
            let keyByte = keyData[index % keyData.count]
            decryptedData[index] = byte ^ keyByte
        }
        
        if let string = String(data: decryptedData, encoding: .utf8) {
            return string
        } else {
            return ""
        }
    }
}
```

protocol EncryptorProtocol {
    func encrypt(_ string: String, _ key: String) -> Data
    func decrypt(_ data: Data, _ key: String) -> String
}

class Encryptor: EncryptorProtocol {
    func encrypt(_ string: String, _ key: String) -> Data {
        let stringData = string.data(using: .utf8)!
        let keyData = key.data(using: .utf8)!
        var encryptedData = Data(repeating: 0, count: stringData.count)
        
        for (index, byte) in stringData.enumerated() {
            let keyByte = keyData[index % keyData.count]
            encryptedData[index] = byte ^ keyByte
        }
        
        return encryptedData
    }
    
    func decrypt(_ data: Data, _ key: String) -> String {
        let keyData = key.data(using: .utf8)!
        var decryptedData = Data(repeating: 0, count: data.count)
        
        for (index, byte) in data.enumerated() {
            let keyByte = keyData[index % keyData.count]
            decryptedData[index] = byte ^ keyByte
        }
        
        if let string = String(data: decryptedData, encoding: .utf8) {
            return string
        } else {
            return ""
        }
    }
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Simple XOR encryptor and decryptor that converts plain text into encrypted text by applying the binary 'Exclusive OR' operator implemented according to the protocol.
### Response:
```swift
protocol EncryptorProtocol {
    func encrypt(_ string: String, _ key: String) -> Data
    func decrypt(_ data: Data, _ key: String) -> String
}

class Encryptor: EncryptorProtocol {
    func encrypt(_ string: String, _ key: String) -> Data {
        let stringData = string.data(using: .utf8)!
        let keyData = key.data(using: .utf8)!
        var encryptedData = Data(repeating: 0, count: stringData.count)
        
        for (index, byte) in stringData.enumerated() {
            let keyByte = keyData[index % keyData.count]
            encryptedData[index] = byte ^ keyByte
        }
        
        return encryptedData
    }
    
    func decrypt(_ data: Data, _ key: String) -> String {
        let keyData = key.data(using: .utf8)!
        var decryptedData = Data(repeating: 0, count: data.count)
        
        for (index, byte) in data.enumerated() {
            let keyByte = keyData[index % keyData.count]
            decryptedData[index] = byte ^ keyByte
        }
        
        if let string = String(data: decryptedData, encoding: .utf8) {
            return string
        } else {
            return ""
        }
    }
}
```

protocol EncryptorProtocol {
    func encrypt(_ string: String, _ key: String) -> Data
    func decrypt(_ data: Data, _ key: String) -> String
}

class Encryptor: EncryptorProtocol {
    func encrypt(_ string: String, _ key: String) -> Data {
        let stringData = string.data(using: .utf8)!
        let keyData = key.data(using: .utf8)!
        
        var encryptedData = Data(repeating: 0, count: stringData.count)
        for (index, byte) in stringData.enumerated() {
            let keyIndex = index % keyData.count
            let keyByte = keyData[keyIndex]
            encryptedData[index] = byte ^ keyByte
        }
        
        return encryptedData
    }
    
    func decrypt(_ data: Data, _ key: String) -> String {
        let keyData = key.data(using: .utf8)!
        
        var decryptedData = Data(repeating: 0, count: data.count)
        for (index, byte) in data.enumerated() {
            let keyIndex = index % keyData.count
            let keyByte = keyData[keyIndex]
            decryptedData[index] = byte ^ keyByte
        }
        
        if let string = String(data: decryptedData, encoding: .utf8) {
            return string
        } else {
            return ""
        }
    }
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Simple XOR encryptor and decryptor that converts plain text into encrypted text by applying the binary 'Exclusive OR' operator implemented according to the protocol.
### Response:
```swift
protocol EncryptorProtocol {
    func encrypt(_ string: String, _ key: String) -> Data
    func decrypt(_ data: Data, _ key: String) -> String
}

class Encryptor: EncryptorProtocol {
    func encrypt(_ string: String, _ key: String) -> Data {
        let stringData = string.data(using: .utf8)!
        let keyData = key.data(using: .utf8)!
        
        var encryptedData = Data(repeating: 0, count: stringData.count)
        for (index, byte) in stringData.enumerated() {
            let keyIndex = index % keyData.count
            let keyByte = keyData[keyIndex]
            encryptedData[index] = byte ^ keyByte
        }
        
        return encryptedData
    }
    
    func decrypt(_ data: Data, _ key: String) -> String {
        let keyData = key.data(using: .utf8)!
        
        var decryptedData = Data(repeating: 0, count: data.count)
        for (index, byte) in data.enumerated() {
            let keyIndex = index % keyData.count
            let keyByte = keyData[keyIndex]
            decryptedData[index] = byte ^ keyByte
        }
        
        if let string = String(data: decryptedData, encoding: .utf8) {
            return string
        } else {
            return ""
        }
    }
}
```

protocol EncryptorProtocol {
    func encrypt(_ string: String, _ key: String) -> Data
    func decrypt(_ data: Data, _ key: String) -> String
}

class Encryptor: EncryptorProtocol {
    func encrypt(_ string: String, _ key: String) -> Data {
        let stringData = string.data(using: .utf8)!
        let keyData = key.data(using: .utf8)!
        
        var encryptedData = Data(repeating: 0, count: stringData.count)
        for (i, byte) in stringData.enumerated() {
            let keyByte = keyData[i % keyData.count]
            encryptedData[i] = byte ^ keyByte
        }
        
        return encryptedData
    }
    
    func decrypt(_ data: Data, _ key: String) -> String {
        let keyData = key.data(using: .utf8)!
        
        var decryptedData = Data(repeating: 0, count: data.count)
        for (i, byte) in data.enumerated() {
            let keyByte = keyData[i % keyData.count]
            decryptedData[i] = byte ^ keyByte
        }
        
        if let string = String(data: decryptedData, encoding: .utf8) {
            return string
        } else {
            return ""
        }
    }
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Simple XOR encryptor and decryptor that converts plain text into encrypted text by applying the binary 'Exclusive OR' operator implemented according to the protocol.
### Response:
```swift
protocol EncryptorProtocol {
    func encrypt(_ string: String, _ key: String) -> Data
    func decrypt(_ data: Data, _ key: String) -> String
}

class Encryptor: EncryptorProtocol {
    func encrypt(_ string: String, _ key: String) -> Data {
        let stringData = string.data(using: .utf8)!
        let keyData = key.data(using: .utf8)!
        
        var encryptedData = Data(repeating: 0, count: stringData.count)
        for (i, byte) in stringData.enumerated() {
            let keyByte = keyData[i % keyData.count]
            encryptedData[i] = byte ^ keyByte
        }
        
        return encryptedData
    }
    
    func decrypt(_ data: Data, _ key: String) -> String {
        let keyData = key.data(using: .utf8)!
        
        var decryptedData = Data(repeating: 0, count: data.count)
        for (i, byte) in data.enumerated() {
            let keyByte = keyData[i % keyData.count]
            decryptedData[i] = byte ^ keyByte
        }
        
        if let string = String(data: decryptedData, encoding: .utf8) {
            return string
        } else {
            return ""
        }
    }
}
```

protocol RateLimiterProtocol {
    init(maxRequests: Int, timeInterval: TimeInterval)
    func allowRequest() -> Bool
}

class RateLimiter: RateLimiterProtocol {
    private let maxRequests: Int
    private let timeInterval: TimeInterval
    private var requests: [Date] = []

    init(maxRequests: Int, timeInterval: TimeInterval) {
        self.maxRequests = maxRequests
        self.timeInterval = timeInterval
    }

    func allowRequest() -> Bool {
        let now = Date()
        let cutoff = now - timeInterval

        // Remove old requests
        requests = requests.filter { $0 > cutoff }

        // Check if we've hit the limit
        if requests.count >= maxRequests {
            return false
        }

        // Add the new request
        requests.append(now)
        return true
    }
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Rate limiter that controls the rate of actions.
Consists with a maximum number of requests and a time interval, and includes a method to determine if a new request can be made within the defined limits.
### Response:
```swift
protocol RateLimiterProtocol {
    init(maxRequests: Int, timeInterval: TimeInterval)
    func allowRequest() -> Bool
}

class RateLimiter: RateLimiterProtocol {
    private let maxRequests: Int
    private let timeInterval: TimeInterval
    private var requests: [Date] = []

    init(maxRequests: Int, timeInterval: TimeInterval) {
        self.maxRequests = maxRequests
        self.timeInterval = timeInterval
    }

    func allowRequest() -> Bool {
        let now = Date()
        let cutoff = now - timeInterval

        // Remove old requests
        requests = requests.filter { $0 > cutoff }

        // Check if we've hit the limit
        if requests.count >= maxRequests {
            return false
        }

        // Add the new request
        requests.append(now)
        return true
    }
}
```

protocol RateLimiterProtocol {
    init(maxRequests: Int, timeInterval: TimeInterval)
    func allowRequest() -> Bool
}

class RateLimiter: RateLimiterProtocol {
    private let maxRequests: Int
    private let timeInterval: TimeInterval
    private var requests: [Date] = []

    init(maxRequests: Int, timeInterval: TimeInterval) {
        self.maxRequests = maxRequests
        self.timeInterval = timeInterval
    }

    func allowRequest() -> Bool {
        let now = Date()
        let cutoff = now - timeInterval

        // Remove old requests
        requests = requests.filter { $0 > cutoff }

        if requests.count < maxRequests {
            requests.append(now)
            return true
        } else {
            return false
        }
    }
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Rate limiter that controls the rate of actions.
Consists with a maximum number of requests and a time interval, and includes a method to determine if a new request can be made within the defined limits.
### Response:
```swift
protocol RateLimiterProtocol {
    init(maxRequests: Int, timeInterval: TimeInterval)
    func allowRequest() -> Bool
}

class RateLimiter: RateLimiterProtocol {
    private let maxRequests: Int
    private let timeInterval: TimeInterval
    private var requests: [Date] = []

    init(maxRequests: Int, timeInterval: TimeInterval) {
        self.maxRequests = maxRequests
        self.timeInterval = timeInterval
    }

    func allowRequest() -> Bool {
        let now = Date()
        let cutoff = now - timeInterval

        // Remove old requests
        requests = requests.filter { $0 > cutoff }

        if requests.count < maxRequests {
            requests.append(now)
            return true
        } else {
            return false
        }
    }
}
```

protocol RateLimiterProtocol {
    init(maxRequests: Int, timeInterval: TimeInterval)
    func allowRequest() -> Bool
}

class RateLimiter: RateLimiterProtocol {
    private let maxRequests: Int
    private let timeInterval: TimeInterval
    private var requests: [Date] = []

    init(maxRequests: Int, timeInterval: TimeInterval) {
        self.maxRequests = maxRequests
        self.timeInterval = timeInterval
    }

    func allowRequest() -> Bool {
        let now = Date()
        let cutoff = now - timeInterval

        // Remove old requests
        requests = requests.filter { $0 > cutoff }

        if requests.count < maxRequests {
            requests.append(now)
            return true
        } else {
            return false
        }
    }
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Rate limiter that controls the rate of actions.
Consists with a maximum number of requests and a time interval, and includes a method to determine if a new request can be made within the defined limits.
### Response:
```swift
protocol RateLimiterProtocol {
    init(maxRequests: Int, timeInterval: TimeInterval)
    func allowRequest() -> Bool
}

class RateLimiter: RateLimiterProtocol {
    private let maxRequests: Int
    private let timeInterval: TimeInterval
    private var requests: [Date] = []

    init(maxRequests: Int, timeInterval: TimeInterval) {
        self.maxRequests = maxRequests
        self.timeInterval = timeInterval
    }

    func allowRequest() -> Bool {
        let now = Date()
        let cutoff = now - timeInterval

        // Remove old requests
        requests = requests.filter { $0 > cutoff }

        if requests.count < maxRequests {
            requests.append(now)
            return true
        } else {
            return false
        }
    }
}
```

protocol RateLimiterProtocol {
    init(maxRequests: Int, timeInterval: TimeInterval)
    func allowRequest() -> Bool
}

class RateLimiter: RateLimiterProtocol {
    private let maxRequests: Int
    private let timeInterval: TimeInterval
    private var requestTimes: [TimeInterval] = []

    required init(maxRequests: Int, timeInterval: TimeInterval) {
        self.maxRequests = maxRequests
        self.timeInterval = timeInterval
    }

    func allowRequest() -> Bool {
        let now = ProcessInfo.processInfo.systemBootTime
        let cutoffTime = now - timeInterval

        // Remove old requests
        requestTimes = requestTimes.filter { $0 >= cutoffTime }

        // Check if we've reached the limit
        if requestTimes.count >= maxRequests {
            return false
        }

        // Add the new request
        requestTimes.append(now)
        return true
    }
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Rate limiter that controls the rate of actions.
Consists with a maximum number of requests and a time interval, and includes a method to determine if a new request can be made within the defined limits.
### Response:
```swift
protocol RateLimiterProtocol {
    init(maxRequests: Int, timeInterval: TimeInterval)
    func allowRequest() -> Bool
}

class RateLimiter: RateLimiterProtocol {
    private let maxRequests: Int
    private let timeInterval: TimeInterval
    private var requestTimes: [TimeInterval] = []

    required init(maxRequests: Int, timeInterval: TimeInterval) {
        self.maxRequests = maxRequests
        self.timeInterval = timeInterval
    }

    func allowRequest() -> Bool {
        let now = ProcessInfo.processInfo.systemBootTime
        let cutoffTime = now - timeInterval

        // Remove old requests
        requestTimes = requestTimes.filter { $0 >= cutoffTime }

        // Check if we've reached the limit
        if requestTimes.count >= maxRequests {
            return false
        }

        // Add the new request
        requestTimes.append(now)
        return true
    }
}
```

protocol RateLimiterProtocol {
    init(maxRequests: Int, timeInterval: TimeInterval)
    func allowRequest() -> Bool
}

class RateLimiter: RateLimiterProtocol {
    private let maxRequests: Int
    private let timeInterval: TimeInterval
    private var requests: [Date] = []

    required init(maxRequests: Int, timeInterval: TimeInterval) {
        self.maxRequests = maxRequests
        self.timeInterval = timeInterval
    }

    func allowRequest() -> Bool {
        let now = Date()
        let cutoff = now - timeInterval

        // Remove old requests
        requests = requests.filter { $0 > cutoff }

        // Check if we've reached the limit
        if requests.count >= maxRequests {
            return false
        }

        // Add the new request
        requests.append(now)

        return true
    }
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Rate limiter that controls the rate of actions.
Consists with a maximum number of requests and a time interval, and includes a method to determine if a new request can be made within the defined limits.
### Response:
```swift
protocol RateLimiterProtocol {
    init(maxRequests: Int, timeInterval: TimeInterval)
    func allowRequest() -> Bool
}

class RateLimiter: RateLimiterProtocol {
    private let maxRequests: Int
    private let timeInterval: TimeInterval
    private var requests: [Date] = []

    required init(maxRequests: Int, timeInterval: TimeInterval) {
        self.maxRequests = maxRequests
        self.timeInterval = timeInterval
    }

    func allowRequest() -> Bool {
        let now = Date()
        let cutoff = now - timeInterval

        // Remove old requests
        requests = requests.filter { $0 > cutoff }

        // Check if we've reached the limit
        if requests.count >= maxRequests {
            return false
        }

        // Add the new request
        requests.append(now)

        return true
    }
}
```

protocol RateLimiterProtocol {
    init(maxRequests: Int, timeInterval: TimeInterval)
    func allowRequest() -> Bool
}

class RateLimiter: RateLimiterProtocol {
    private let maxRequests: Int
    private let timeInterval: TimeInterval
    private var requestTimestamps: [TimeInterval] = []

    required init(maxRequests: Int, timeInterval: TimeInterval) {
        self.maxRequests = maxRequests
        self.timeInterval = timeInterval
    }

    func allowRequest() -> Bool {
        let now = ProcessInfo.processInfo.systemUptime
        let cutoff = now - timeInterval

        // Remove old timestamps
        requestTimestamps = requestTimestamps.filter { $0 >= cutoff }

        if requestTimestamps.count >= maxRequests {
            return false
        } else {
            requestTimestamps.append(now)
            return true
        }
    }
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Rate limiter that controls the rate of actions.
Consists with a maximum number of requests and a time interval, and includes a method to determine if a new request can be made within the defined limits.
### Response:
```swift
protocol RateLimiterProtocol {
    init(maxRequests: Int, timeInterval: TimeInterval)
    func allowRequest() -> Bool
}

class RateLimiter: RateLimiterProtocol {
    private let maxRequests: Int
    private let timeInterval: TimeInterval
    private var requestTimestamps: [TimeInterval] = []

    required init(maxRequests: Int, timeInterval: TimeInterval) {
        self.maxRequests = maxRequests
        self.timeInterval = timeInterval
    }

    func allowRequest() -> Bool {
        let now = ProcessInfo.processInfo.systemUptime
        let cutoff = now - timeInterval

        // Remove old timestamps
        requestTimestamps = requestTimestamps.filter { $0 >= cutoff }

        if requestTimestamps.count >= maxRequests {
            return false
        } else {
            requestTimestamps.append(now)
            return true
        }
    }
}
```

protocol RateLimiterProtocol {
    init(maxRequests: Int, timeInterval: TimeInterval)
    func allowRequest() -> Bool
}

class RateLimiter: RateLimiterProtocol {
    private let maxRequests: Int
    private let timeInterval: TimeInterval
    private var requestTimes: [TimeInterval] = []

    required init(maxRequests: Int, timeInterval: TimeInterval) {
        self.maxRequests = maxRequests
        self.timeInterval = timeInterval
    }

    func allowRequest() -> Bool {
        let now = Date().timeIntervalSince1970
        let cutoff = now - timeInterval

        // Remove old requests
        requestTimes = requestTimes.filter { $0 >= cutoff }

        // Check if we've reached the limit
        if requestTimes.count >= maxRequests {
            return false
        }

        // Add the new request
        requestTimes.append(now)
        return true
    }
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Rate limiter that controls the rate of actions.
Consists with a maximum number of requests and a time interval, and includes a method to determine if a new request can be made within the defined limits.
### Response:
```swift
protocol RateLimiterProtocol {
    init(maxRequests: Int, timeInterval: TimeInterval)
    func allowRequest() -> Bool
}

class RateLimiter: RateLimiterProtocol {
    private let maxRequests: Int
    private let timeInterval: TimeInterval
    private var requestTimes: [TimeInterval] = []

    required init(maxRequests: Int, timeInterval: TimeInterval) {
        self.maxRequests = maxRequests
        self.timeInterval = timeInterval
    }

    func allowRequest() -> Bool {
        let now = Date().timeIntervalSince1970
        let cutoff = now - timeInterval

        // Remove old requests
        requestTimes = requestTimes.filter { $0 >= cutoff }

        // Check if we've reached the limit
        if requestTimes.count >= maxRequests {
            return false
        }

        // Add the new request
        requestTimes.append(now)
        return true
    }
}
```

protocol RateLimiterProtocol {
    init(maxRequests: Int, timeInterval: TimeInterval)
    func allowRequest() -> Bool
}

class RateLimiter: RateLimiterProtocol {
    private let maxRequests: Int
    private let timeInterval: TimeInterval
    private var requestTimes: [TimeInterval] = []

    required init(maxRequests: Int, timeInterval: TimeInterval) {
        self.maxRequests = maxRequests
        self.timeInterval = timeInterval
    }

    func allowRequest() -> Bool {
        let now = ProcessInfo.processInfo.systemUptime
        let cutoff = now - timeInterval

        // Remove old requests
        requestTimes = requestTimes.filter { $0 >= cutoff }

        // Check if we've reached the limit
        if requestTimes.count >= maxRequests {
            return false
        }

        // Add the new request
        requestTimes.append(now)
        return true
    }
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Rate limiter that controls the rate of actions.
Consists with a maximum number of requests and a time interval, and includes a method to determine if a new request can be made within the defined limits.
### Response:
```swift
protocol RateLimiterProtocol {
    init(maxRequests: Int, timeInterval: TimeInterval)
    func allowRequest() -> Bool
}

class RateLimiter: RateLimiterProtocol {
    private let maxRequests: Int
    private let timeInterval: TimeInterval
    private var requestTimes: [TimeInterval] = []

    required init(maxRequests: Int, timeInterval: TimeInterval) {
        self.maxRequests = maxRequests
        self.timeInterval = timeInterval
    }

    func allowRequest() -> Bool {
        let now = ProcessInfo.processInfo.systemUptime
        let cutoff = now - timeInterval

        // Remove old requests
        requestTimes = requestTimes.filter { $0 >= cutoff }

        // Check if we've reached the limit
        if requestTimes.count >= maxRequests {
            return false
        }

        // Add the new request
        requestTimes.append(now)
        return true
    }
}
```

protocol RateLimiterProtocol {
    init(maxRequests: Int, timeInterval: TimeInterval)
    func allowRequest() -> Bool
}

class RateLimiter: RateLimiterProtocol {
    private let maxRequests: Int
    private let timeInterval: TimeInterval
    private var requests: [Date] = []

    required init(maxRequests: Int, timeInterval: TimeInterval) {
        self.maxRequests = maxRequests
        self.timeInterval = timeInterval
    }

    func allowRequest() -> Bool {
        let now = Date()
        let cutoff = now - timeInterval

        // Remove old requests
        requests = requests.filter { $0 > cutoff }

        // Check if we've reached the limit
        if requests.count >= maxRequests {
            return false
        }

        // Add the new request
        requests.append(now)
        return true
    }
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Rate limiter that controls the rate of actions.
Consists with a maximum number of requests and a time interval, and includes a method to determine if a new request can be made within the defined limits.
### Response:
```swift
protocol RateLimiterProtocol {
    init(maxRequests: Int, timeInterval: TimeInterval)
    func allowRequest() -> Bool
}

class RateLimiter: RateLimiterProtocol {
    private let maxRequests: Int
    private let timeInterval: TimeInterval
    private var requests: [Date] = []

    required init(maxRequests: Int, timeInterval: TimeInterval) {
        self.maxRequests = maxRequests
        self.timeInterval = timeInterval
    }

    func allowRequest() -> Bool {
        let now = Date()
        let cutoff = now - timeInterval

        // Remove old requests
        requests = requests.filter { $0 > cutoff }

        // Check if we've reached the limit
        if requests.count >= maxRequests {
            return false
        }

        // Add the new request
        requests.append(now)
        return true
    }
}
```

protocol RateLimiterProtocol {
    init(maxRequests: Int, timeInterval: TimeInterval)
    func allowRequest() -> Bool
}

class RateLimiter: RateLimiterProtocol {
    private let maxRequests: Int
    private let timeInterval: TimeInterval
    private var requests: [Date] = []

    required init(maxRequests: Int, timeInterval: TimeInterval) {
        self.maxRequests = maxRequests
        self.timeInterval = timeInterval
    }

    func allowRequest() -> Bool {
        let now = Date()
        let cutoff = now - timeInterval

        // Remove old requests
        requests = requests.filter { $0 > cutoff }

        if requests.count < maxRequests {
            requests.append(now)
            return true
        } else {
            return false
        }
    }
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Rate limiter that controls the rate of actions.
Consists with a maximum number of requests and a time interval, and includes a method to determine if a new request can be made within the defined limits.
### Response:
```swift
protocol RateLimiterProtocol {
    init(maxRequests: Int, timeInterval: TimeInterval)
    func allowRequest() -> Bool
}

class RateLimiter: RateLimiterProtocol {
    private let maxRequests: Int
    private let timeInterval: TimeInterval
    private var requests: [Date] = []

    required init(maxRequests: Int, timeInterval: TimeInterval) {
        self.maxRequests = maxRequests
        self.timeInterval = timeInterval
    }

    func allowRequest() -> Bool {
        let now = Date()
        let cutoff = now - timeInterval

        // Remove old requests
        requests = requests.filter { $0 > cutoff }

        if requests.count < maxRequests {
            requests.append(now)
            return true
        } else {
            return false
        }
    }
}
```

protocol ThreadSafeCounterProtocol {
    init(value: Int)
    func increment()
    func currentValue() -> Int
}

class ThreadSafeCounter: ThreadSafeCounterProtocol {
    private var value: Int
    private let lock: NSRecursiveLock

    init(value: Int) {
        self.value = value
        self.lock = NSRecursiveLock()
    }

    func increment() {
        lock.lock()
        defer { lock.unlock() }
        value += 1
    }

    func currentValue() -> Int {
        lock.lock()
        defer { lock.unlock() }
        return value
    }
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Basic number counter with possibility to increment counter and access current value.
Thread-safe for read and write operations.
### Response:
```swift
protocol ThreadSafeCounterProtocol {
    init(value: Int)
    func increment()
    func currentValue() -> Int
}

class ThreadSafeCounter: ThreadSafeCounterProtocol {
    private var value: Int
    private let lock: NSRecursiveLock

    init(value: Int) {
        self.value = value
        self.lock = NSRecursiveLock()
    }

    func increment() {
        lock.lock()
        defer { lock.unlock() }
        value += 1
    }

    func currentValue() -> Int {
        lock.lock()
        defer { lock.unlock() }
        return value
    }
}
```

protocol ThreadSafeCounterProtocol {
    init(value: Int)
    func increment()
    func currentValue() -> Int
}

class ThreadSafeCounter: ThreadSafeCounterProtocol {
    private var value: Int
    private let lock: NSRecursiveLock

    init(value: Int) {
        self.value = value
        self.lock = NSRecursiveLock()
    }

    func increment() {
        lock.lock()
        defer { lock.unlock() }
        value += 1
    }

    func currentValue() -> Int {
        lock.lock()
        defer { lock.unlock() }
        return value
    }
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Basic number counter with possibility to increment counter and access current value.
Thread-safe for read and write operations.
### Response:
```swift
protocol ThreadSafeCounterProtocol {
    init(value: Int)
    func increment()
    func currentValue() -> Int
}

class ThreadSafeCounter: ThreadSafeCounterProtocol {
    private var value: Int
    private let lock: NSRecursiveLock

    init(value: Int) {
        self.value = value
        self.lock = NSRecursiveLock()
    }

    func increment() {
        lock.lock()
        defer { lock.unlock() }
        value += 1
    }

    func currentValue() -> Int {
        lock.lock()
        defer { lock.unlock() }
        return value
    }
}
```

protocol ThreadSafeCounterProtocol {
    init(value: Int)
    func increment()
    func currentValue() -> Int
}

class ThreadSafeCounter: ThreadSafeCounterProtocol {
    private var value: Int
    private let lock: NSRecursiveLock

    init(value: Int = 0) {
        self.value = value
        lock = NSRecursiveLock()
    }

    func increment() {
        lock.lock()
        defer { lock.unlock() }
        value += 1
    }

    func currentValue() -> Int {
        lock.lock()
        defer { lock.unlock() }
        return value
    }
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Basic number counter with possibility to increment counter and access current value.
Thread-safe for read and write operations.
### Response:
```swift
protocol ThreadSafeCounterProtocol {
    init(value: Int)
    func increment()
    func currentValue() -> Int
}

class ThreadSafeCounter: ThreadSafeCounterProtocol {
    private var value: Int
    private let lock: NSRecursiveLock

    init(value: Int = 0) {
        self.value = value
        lock = NSRecursiveLock()
    }

    func increment() {
        lock.lock()
        defer { lock.unlock() }
        value += 1
    }

    func currentValue() -> Int {
        lock.lock()
        defer { lock.unlock() }
        return value
    }
}
```

protocol ThreadSafeCounterProtocol {
    init(value: Int)
    func increment()
    func currentValue() -> Int
}

class ThreadSafeCounter: ThreadSafeCounterProtocol {
    private var counter: Int
    private let lock: NSRecursiveLock

    init(value: Int) {
        self.counter = value
        self.lock = NSRecursiveLock()
    }

    func increment() {
        lock.lock()
        defer { lock.unlock() }
        counter += 1
    }

    func currentValue() -> Int {
        lock.lock()
        defer { lock.unlock() }
        return counter
    }
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Basic number counter with possibility to increment counter and access current value.
Thread-safe for read and write operations.
### Response:
```swift
protocol ThreadSafeCounterProtocol {
    init(value: Int)
    func increment()
    func currentValue() -> Int
}

class ThreadSafeCounter: ThreadSafeCounterProtocol {
    private var counter: Int
    private let lock: NSRecursiveLock

    init(value: Int) {
        self.counter = value
        self.lock = NSRecursiveLock()
    }

    func increment() {
        lock.lock()
        defer { lock.unlock() }
        counter += 1
    }

    func currentValue() -> Int {
        lock.lock()
        defer { lock.unlock() }
        return counter
    }
}
```

protocol ThreadSafeCounterProtocol {
    init(value: Int)
    func increment()
    func currentValue() -> Int
}

class ThreadSafeCounter: ThreadSafeCounterProtocol {
    private var value: Int
    private let lock: NSRecursiveLock

    init(value: Int) {
        self.value = value
        lock = NSRecursiveLock()
    }

    func increment() {
        lock.lock()
        defer { lock.unlock() }
        value += 1
    }

    func currentValue() -> Int {
        lock.lock()
        defer { lock.unlock() }
        return value
    }
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Basic number counter with possibility to increment counter and access current value.
Thread-safe for read and write operations.
### Response:
```swift
protocol ThreadSafeCounterProtocol {
    init(value: Int)
    func increment()
    func currentValue() -> Int
}

class ThreadSafeCounter: ThreadSafeCounterProtocol {
    private var value: Int
    private let lock: NSRecursiveLock

    init(value: Int) {
        self.value = value
        lock = NSRecursiveLock()
    }

    func increment() {
        lock.lock()
        defer { lock.unlock() }
        value += 1
    }

    func currentValue() -> Int {
        lock.lock()
        defer { lock.unlock() }
        return value
    }
}
```

protocol ThreadSafeCounterProtocol {
    init(value: Int)
    func increment()
    func currentValue() -> Int
}

class ThreadSafeCounter: ThreadSafeCounterProtocol {
    private var value: Int
    private let lock: NSRecursiveLock

    init(value: Int) {
        self.value = value
        self.lock = NSRecursiveLock()
    }

    func increment() {
        lock.lock()
        defer { lock.unlock() }
        value += 1
    }

    func currentValue() -> Int {
        lock.lock()
        defer { lock.unlock() }
        return value
    }
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Basic number counter with possibility to increment counter and access current value.
Thread-safe for read and write operations.
### Response:
```swift
protocol ThreadSafeCounterProtocol {
    init(value: Int)
    func increment()
    func currentValue() -> Int
}

class ThreadSafeCounter: ThreadSafeCounterProtocol {
    private var value: Int
    private let lock: NSRecursiveLock

    init(value: Int) {
        self.value = value
        self.lock = NSRecursiveLock()
    }

    func increment() {
        lock.lock()
        defer { lock.unlock() }
        value += 1
    }

    func currentValue() -> Int {
        lock.lock()
        defer { lock.unlock() }
        return value
    }
}
```

protocol ThreadSafeCounterProtocol {
    init(value: Int)
    func increment()
    func currentValue() -> Int
}

class ThreadSafeCounter: ThreadSafeCounterProtocol {
    private var value: Int
    private let lock: NSRecursiveLock

    init(value: Int) {
        self.value = value
        self.lock = NSRecursiveLock()
    }

    func increment() {
        lock.lock()
        defer { lock.unlock() }
        value += 1
    }

    func currentValue() -> Int {
        lock.lock()
        defer { lock.unlock() }
        return value
    }
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Basic number counter with possibility to increment counter and access current value.
Thread-safe for read and write operations.
### Response:
```swift
protocol ThreadSafeCounterProtocol {
    init(value: Int)
    func increment()
    func currentValue() -> Int
}

class ThreadSafeCounter: ThreadSafeCounterProtocol {
    private var value: Int
    private let lock: NSRecursiveLock

    init(value: Int) {
        self.value = value
        self.lock = NSRecursiveLock()
    }

    func increment() {
        lock.lock()
        defer { lock.unlock() }
        value += 1
    }

    func currentValue() -> Int {
        lock.lock()
        defer { lock.unlock() }
        return value
    }
}
```

protocol ThreadSafeCounterProtocol {
    init(value: Int)
    func increment()
    func currentValue() -> Int
}

class ThreadSafeCounter: ThreadSafeCounterProtocol {
    private var counter: Int
    private let lock: NSRecursiveLock

    init(value: Int) {
        self.counter = value
        self.lock = NSRecursiveLock()
    }

    func increment() {
        lock.lock()
        defer { lock.unlock() }
        counter += 1
    }

    func currentValue() -> Int {
        lock.lock()
        defer { lock.unlock() }
        return counter
    }
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Basic number counter with possibility to increment counter and access current value.
Thread-safe for read and write operations.
### Response:
```swift
protocol ThreadSafeCounterProtocol {
    init(value: Int)
    func increment()
    func currentValue() -> Int
}

class ThreadSafeCounter: ThreadSafeCounterProtocol {
    private var counter: Int
    private let lock: NSRecursiveLock

    init(value: Int) {
        self.counter = value
        self.lock = NSRecursiveLock()
    }

    func increment() {
        lock.lock()
        defer { lock.unlock() }
        counter += 1
    }

    func currentValue() -> Int {
        lock.lock()
        defer { lock.unlock() }
        return counter
    }
}
```

protocol ThreadSafeCounterProtocol {
    init(value: Int)
    func increment()
    func currentValue() -> Int
}

class ThreadSafeCounter: ThreadSafeCounterProtocol {
    private var value: Int
    private let lock: NSRecursiveLock

    init(value: Int) {
        self.value = value
        lock = NSRecursiveLock()
    }

    func increment() {
        lock.lock()
        defer { lock.unlock() }
        value += 1
    }

    func currentValue() -> Int {
        lock.lock()
        defer { lock.unlock() }
        return value
    }
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Basic number counter with possibility to increment counter and access current value.
Thread-safe for read and write operations.
### Response:
```swift
protocol ThreadSafeCounterProtocol {
    init(value: Int)
    func increment()
    func currentValue() -> Int
}

class ThreadSafeCounter: ThreadSafeCounterProtocol {
    private var value: Int
    private let lock: NSRecursiveLock

    init(value: Int) {
        self.value = value
        lock = NSRecursiveLock()
    }

    func increment() {
        lock.lock()
        defer { lock.unlock() }
        value += 1
    }

    func currentValue() -> Int {
        lock.lock()
        defer { lock.unlock() }
        return value
    }
}
```

protocol ThreadSafeCounterProtocol {
    init(value: Int)
    func increment()
    func currentValue() -> Int
}

class ThreadSafeCounter: ThreadSafeCounterProtocol {
    private var value: Int
    private let lock = NSLock()

    required init(value: Int) {
        self.value = value
    }

    func increment() {
        lock.lock(); defer { lock.unlock() }
        value += 1
    }

    func currentValue() -> Int {
        lock.lock(); defer { lock.unlock() }
        return value
    }
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Basic number counter with possibility to increment counter and access current value.
Thread-safe for read and write operations.
### Response:
```swift
protocol ThreadSafeCounterProtocol {
    init(value: Int)
    func increment()
    func currentValue() -> Int
}

class ThreadSafeCounter: ThreadSafeCounterProtocol {
    private var value: Int
    private let lock = NSLock()

    required init(value: Int) {
        self.value = value
    }

    func increment() {
        lock.lock(); defer { lock.unlock() }
        value += 1
    }

    func currentValue() -> Int {
        lock.lock(); defer { lock.unlock() }
        return value
    }
}
```

protocol PipelineProtocol {
    associatedtype Output
    init(value: Output)
    func pipe<U>(_ transform: @escaping (Output) -> U) -> Pipeline<U>
    func execute() -> Output
}

class Pipeline<T>: PipelineProtocol {
    typealias Output = T
    var value: Output
    
    init(value: Output) {
        self.value = value
    }
    
    func pipe<U>(_ transform: @escaping (Output) -> U) -> Pipeline<U> {
        return Pipeline(value: transform(self.value))
    }
    
    func execute() -> Output {
        return self.value
    }
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Functional pipeline builder class conforming to a protocol, allowing chaining transformations with type changes. 
Ensure the final output is produced by sequentially applying transformations starting from an initial value.
### Response:
```swift
protocol PipelineProtocol {
    associatedtype Output
    init(value: Output)
    func pipe<U>(_ transform: @escaping (Output) -> U) -> Pipeline<U>
    func execute() -> Output
}

class Pipeline<T>: PipelineProtocol {
    typealias Output = T
    var value: Output
    
    init(value: Output) {
        self.value = value
    }
    
    func pipe<U>(_ transform: @escaping (Output) -> U) -> Pipeline<U> {
        return Pipeline(value: transform(self.value))
    }
    
    func execute() -> Output {
        return self.value
    }
}
```

protocol PipelineProtocol {
    associatedtype Output
    init(value: Output)
    func pipe<U>(_ transform: @escaping (Output) -> U) -> Pipeline<U>
    func execute() -> Output
}

class Pipeline<T>: PipelineProtocol {
    typealias Output = T
    var value: T

    init(value: T) {
        self.value = value
    }

    func pipe<U>(_ transform: @escaping (T) -> U) -> Pipeline<U> {
        return Pipeline(value: transform(value))
    }

    func execute() -> T {
        return value
    }
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Functional pipeline builder class conforming to a protocol, allowing chaining transformations with type changes. 
Ensure the final output is produced by sequentially applying transformations starting from an initial value.
### Response:
```swift
protocol PipelineProtocol {
    associatedtype Output
    init(value: Output)
    func pipe<U>(_ transform: @escaping (Output) -> U) -> Pipeline<U>
    func execute() -> Output
}

class Pipeline<T>: PipelineProtocol {
    typealias Output = T
    var value: T

    init(value: T) {
        self.value = value
    }

    func pipe<U>(_ transform: @escaping (T) -> U) -> Pipeline<U> {
        return Pipeline(value: transform(value))
    }

    func execute() -> T {
        return value
    }
}
```

protocol PipelineProtocol {
    associatedtype Output
    init(value: Output)
    func pipe<U>(_ transform: @escaping (Output) -> U) -> Pipeline<U>
    func execute() -> Output
}

class Pipeline<T>: PipelineProtocol {
    typealias Output = T
    var value: T

    init(value: T) {
        self.value = value
    }

    func pipe<U>(_ transform: @escaping (T) -> U) -> Pipeline<U> {
        return Pipeline(value: transform(value))
    }

    func execute() -> T {
        return value
    }
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Functional pipeline builder class conforming to a protocol, allowing chaining transformations with type changes. 
Ensure the final output is produced by sequentially applying transformations starting from an initial value.
### Response:
```swift
protocol PipelineProtocol {
    associatedtype Output
    init(value: Output)
    func pipe<U>(_ transform: @escaping (Output) -> U) -> Pipeline<U>
    func execute() -> Output
}

class Pipeline<T>: PipelineProtocol {
    typealias Output = T
    var value: T

    init(value: T) {
        self.value = value
    }

    func pipe<U>(_ transform: @escaping (T) -> U) -> Pipeline<U> {
        return Pipeline(value: transform(value))
    }

    func execute() -> T {
        return value
    }
}
```

protocol PipelineProtocol {
    associatedtype Output
    init(value: Output)
    func pipe<U>(_ transform: @escaping (Output) -> U) -> Pipeline<U>
    func execute() -> Output
}

class Pipeline<T>: PipelineProtocol {
    typealias Output = T
    var value: T

    init(value: T) {
        self.value = value
    }

    func pipe<U>(_ transform: @escaping (T) -> U) -> Pipeline<U> {
        return Pipeline(value: transform(self.value))
    }

    func execute() -> T {
        return self.value
    }
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Functional pipeline builder class conforming to a protocol, allowing chaining transformations with type changes. 
Ensure the final output is produced by sequentially applying transformations starting from an initial value.
### Response:
```swift
protocol PipelineProtocol {
    associatedtype Output
    init(value: Output)
    func pipe<U>(_ transform: @escaping (Output) -> U) -> Pipeline<U>
    func execute() -> Output
}

class Pipeline<T>: PipelineProtocol {
    typealias Output = T
    var value: T

    init(value: T) {
        self.value = value
    }

    func pipe<U>(_ transform: @escaping (T) -> U) -> Pipeline<U> {
        return Pipeline(value: transform(self.value))
    }

    func execute() -> T {
        return self.value
    }
}
```

protocol PipelineProtocol {
    associatedtype Output
    init(value: Output)
    func pipe<U>(_ transform: @escaping (Output) -> U) -> Pipeline<U>
    func execute() -> Output
}

class Pipeline<T>: PipelineProtocol {
    typealias Output = T
    var value: T

    init(value: T) {
        self.value = value
    }

    func pipe<U>(_ transform: @escaping (T) -> U) -> Pipeline<U> {
        return Pipeline(value: transform(self.value))
    }

    func execute() -> T {
        return self.value
    }
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Functional pipeline builder class conforming to a protocol, allowing chaining transformations with type changes. 
Ensure the final output is produced by sequentially applying transformations starting from an initial value.
### Response:
```swift
protocol PipelineProtocol {
    associatedtype Output
    init(value: Output)
    func pipe<U>(_ transform: @escaping (Output) -> U) -> Pipeline<U>
    func execute() -> Output
}

class Pipeline<T>: PipelineProtocol {
    typealias Output = T
    var value: T

    init(value: T) {
        self.value = value
    }

    func pipe<U>(_ transform: @escaping (T) -> U) -> Pipeline<U> {
        return Pipeline(value: transform(self.value))
    }

    func execute() -> T {
        return self.value
    }
}
```

protocol PipelineProtocol {
    associatedtype Output
    init(value: Output)
    func pipe<U>(_ transform: @escaping (Output) -> U) -> Pipeline<U>
    func execute() -> Output
}

class Pipeline<T>: PipelineProtocol {
    typealias Output = T
    var value: Output
    
    init(value: Output) {
        self.value = value
    }
    
    func pipe<U>(_ transform: @escaping (Output) -> U) -> Pipeline<U> {
        return Pipeline(value: transform(self.value))
    }
    
    func execute() -> Output {
        return self.value
    }
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Functional pipeline builder class conforming to a protocol, allowing chaining transformations with type changes. 
Ensure the final output is produced by sequentially applying transformations starting from an initial value.
### Response:
```swift
protocol PipelineProtocol {
    associatedtype Output
    init(value: Output)
    func pipe<U>(_ transform: @escaping (Output) -> U) -> Pipeline<U>
    func execute() -> Output
}

class Pipeline<T>: PipelineProtocol {
    typealias Output = T
    var value: Output
    
    init(value: Output) {
        self.value = value
    }
    
    func pipe<U>(_ transform: @escaping (Output) -> U) -> Pipeline<U> {
        return Pipeline(value: transform(self.value))
    }
    
    func execute() -> Output {
        return self.value
    }
}
```

protocol PipelineProtocol {
    associatedtype Output
    init(value: Output)
    func pipe<U>(_ transform: @escaping (Output) -> U) -> Pipeline<U>
    func execute() -> Output
}

class Pipeline<T>: PipelineProtocol {
    typealias Output = T
    var value: T
    
    init(value: T) {
        self.value = value
    }
    
    func pipe<U>(_ transform: @escaping (T) -> U) -> Pipeline<U> {
        return Pipeline(value: transform(self.value))
    }
    
    func execute() -> T {
        return self.value
    }
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Functional pipeline builder class conforming to a protocol, allowing chaining transformations with type changes. 
Ensure the final output is produced by sequentially applying transformations starting from an initial value.
### Response:
```swift
protocol PipelineProtocol {
    associatedtype Output
    init(value: Output)
    func pipe<U>(_ transform: @escaping (Output) -> U) -> Pipeline<U>
    func execute() -> Output
}

class Pipeline<T>: PipelineProtocol {
    typealias Output = T
    var value: T
    
    init(value: T) {
        self.value = value
    }
    
    func pipe<U>(_ transform: @escaping (T) -> U) -> Pipeline<U> {
        return Pipeline(value: transform(self.value))
    }
    
    func execute() -> T {
        return self.value
    }
}
```

protocol PipelineProtocol {
    associatedtype Output
    init(value: Output)
    func pipe<U>(_ transform: @escaping (Output) -> U) -> Pipeline<U>
    func execute() -> Output
}

class Pipeline<T>: PipelineProtocol {
    typealias Output = T
    var value: Output

    init(value: Output) {
        self.value = value
    }

    func pipe<U>(_ transform: @escaping (Output) -> U) -> Pipeline<U> {
        return Pipeline(value: transform(self.value))
    }

    func execute() -> Output {
        return self.value
    }
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Functional pipeline builder class conforming to a protocol, allowing chaining transformations with type changes. 
Ensure the final output is produced by sequentially applying transformations starting from an initial value.
### Response:
```swift
protocol PipelineProtocol {
    associatedtype Output
    init(value: Output)
    func pipe<U>(_ transform: @escaping (Output) -> U) -> Pipeline<U>
    func execute() -> Output
}

class Pipeline<T>: PipelineProtocol {
    typealias Output = T
    var value: Output

    init(value: Output) {
        self.value = value
    }

    func pipe<U>(_ transform: @escaping (Output) -> U) -> Pipeline<U> {
        return Pipeline(value: transform(self.value))
    }

    func execute() -> Output {
        return self.value
    }
}
```

protocol PipelineProtocol {
    associatedtype Output
    init(value: Output)
    func pipe<U>(_ transform: @escaping (Output) -> U) -> Pipeline<U>
    func execute() -> Output
}

class Pipeline<T>: PipelineProtocol {
    typealias Output = T
    var value: Output
    
    init(value: Output) {
        self.value = value
    }
    
    func pipe<U>(_ transform: @escaping (Output) -> U) -> Pipeline<U> {
        return Pipeline<U>(value: transform(value))
    }
    
    func execute() -> Output {
        return value
    }
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Functional pipeline builder class conforming to a protocol, allowing chaining transformations with type changes. 
Ensure the final output is produced by sequentially applying transformations starting from an initial value.
### Response:
```swift
protocol PipelineProtocol {
    associatedtype Output
    init(value: Output)
    func pipe<U>(_ transform: @escaping (Output) -> U) -> Pipeline<U>
    func execute() -> Output
}

class Pipeline<T>: PipelineProtocol {
    typealias Output = T
    var value: Output
    
    init(value: Output) {
        self.value = value
    }
    
    func pipe<U>(_ transform: @escaping (Output) -> U) -> Pipeline<U> {
        return Pipeline<U>(value: transform(value))
    }
    
    func execute() -> Output {
        return value
    }
}
```

protocol PipelineProtocol {
    associatedtype Output
    init(value: Output)
    func pipe<U>(_ transform: @escaping (Output) -> U) -> Pipeline<U>
    func execute() -> Output
}

class Pipeline<T>: PipelineProtocol {
    typealias Output = T
    var value: Output

    init(value: Output) {
        self.value = value
    }

    func pipe<U>(_ transform: @escaping (Output) -> U) -> Pipeline<U> {
        return Pipeline(value: transform(value))
    }

    func execute() -> Output {
        return value
    }
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Functional pipeline builder class conforming to a protocol, allowing chaining transformations with type changes. 
Ensure the final output is produced by sequentially applying transformations starting from an initial value.
### Response:
```swift
protocol PipelineProtocol {
    associatedtype Output
    init(value: Output)
    func pipe<U>(_ transform: @escaping (Output) -> U) -> Pipeline<U>
    func execute() -> Output
}

class Pipeline<T>: PipelineProtocol {
    typealias Output = T
    var value: Output

    init(value: Output) {
        self.value = value
    }

    func pipe<U>(_ transform: @escaping (Output) -> U) -> Pipeline<U> {
        return Pipeline(value: transform(value))
    }

    func execute() -> Output {
        return value
    }
}
```

protocol ObservablePropertyProtocol {
    associatedtype Value
    init(value: Value)
    var value: Value { get set }
    func subscribe(_ observer: @escaping (Value) -> Void) -> UUID
    func unsubscribe(_ observer: UUID)
}

class ObservableProperty<Value>: ObservablePropertyProtocol {
    typealias Value = Value
    
    private var observers: [UUID: (Value) -> Void] = [:]
    private var _value: Value
    
    init(value: Value) {
        self._value = value
    }
    
    var value: Value {
        get {
            return _value
        }
        set {
            _value = newValue
            notifyObservers()
        }
    }
    
    func subscribe(_ observer: @escaping (Value) -> Void) -> UUID {
        let uuid = UUID()
        observers[uuid] = observer
        return uuid
    }
    
    func unsubscribe(_ observer: UUID) {
        observers.removeValue(forKey: observer)
    }
    
    private func notifyObservers() {
        for observer in observers.values {
            observer(value)
        }
    }
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Generic observable property that notifies observers of value changes.
### Response:
```swift
protocol ObservablePropertyProtocol {
    associatedtype Value
    init(value: Value)
    var value: Value { get set }
    func subscribe(_ observer: @escaping (Value) -> Void) -> UUID
    func unsubscribe(_ observer: UUID)
}

class ObservableProperty<Value>: ObservablePropertyProtocol {
    typealias Value = Value
    
    private var observers: [UUID: (Value) -> Void] = [:]
    private var _value: Value
    
    init(value: Value) {
        self._value = value
    }
    
    var value: Value {
        get {
            return _value
        }
        set {
            _value = newValue
            notifyObservers()
        }
    }
    
    func subscribe(_ observer: @escaping (Value) -> Void) -> UUID {
        let uuid = UUID()
        observers[uuid] = observer
        return uuid
    }
    
    func unsubscribe(_ observer: UUID) {
        observers.removeValue(forKey: observer)
    }
    
    private func notifyObservers() {
        for observer in observers.values {
            observer(value)
        }
    }
}
```

protocol ObservablePropertyProtocol {
    associatedtype Value
    init(value: Value)
    var value: Value { get set }
    func subscribe(_ observer: @escaping (Value) -> Void) -> UUID
    func unsubscribe(_ observer: UUID)
}

class ObservableProperty<Value>: ObservablePropertyProtocol {
    typealias Value = Value
    
    private var observers: [UUID: (Value) -> Void] = [:]
    private var _value: Value
    
    init(value: Value) {
        self._value = value
    }
    
    var value: Value {
        get {
            return _value
        }
        set {
            _value = newValue
            notifyObservers()
        }
    }
    
    func subscribe(_ observer: @escaping (Value) -> Void) -> UUID {
        let uuid = UUID()
        observers[uuid] = observer
        return uuid
    }
    
    func unsubscribe(_ observer: UUID) {
        observers.removeValue(forKey: observer)
    }
    
    private func notifyObservers() {
        for observer in observers.values {
            observer(value)
        }
    }
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Generic observable property that notifies observers of value changes.
### Response:
```swift
protocol ObservablePropertyProtocol {
    associatedtype Value
    init(value: Value)
    var value: Value { get set }
    func subscribe(_ observer: @escaping (Value) -> Void) -> UUID
    func unsubscribe(_ observer: UUID)
}

class ObservableProperty<Value>: ObservablePropertyProtocol {
    typealias Value = Value
    
    private var observers: [UUID: (Value) -> Void] = [:]
    private var _value: Value
    
    init(value: Value) {
        self._value = value
    }
    
    var value: Value {
        get {
            return _value
        }
        set {
            _value = newValue
            notifyObservers()
        }
    }
    
    func subscribe(_ observer: @escaping (Value) -> Void) -> UUID {
        let uuid = UUID()
        observers[uuid] = observer
        return uuid
    }
    
    func unsubscribe(_ observer: UUID) {
        observers.removeValue(forKey: observer)
    }
    
    private func notifyObservers() {
        for observer in observers.values {
            observer(value)
        }
    }
}
```

protocol ObservablePropertyProtocol {
    associatedtype Value
    init(value: Value)
    var value: Value { get set }
    func subscribe(_ observer: @escaping (Value) -> Void) -> UUID
    func unsubscribe(_ observer: UUID)
}

class ObservableProperty<Value>: ObservablePropertyProtocol {
    typealias Value = Value
    
    private var observers: [UUID: (Value) -> Void] = [:]
    private var _value: Value
    
    init(value: Value) {
        self._value = value
    }
    
    var value: Value {
        get {
            return _value
        }
        set {
            _value = newValue
            notifyObservers()
        }
    }
    
    func subscribe(_ observer: @escaping (Value) -> Void) -> UUID {
        let uuid = UUID()
        observers[uuid] = observer
        return uuid
    }
    
    func unsubscribe(_ observer: UUID) {
        observers.removeValue(forKey: observer)
    }
    
    private func notifyObservers() {
        for observer in observers.values {
            observer(value)
        }
    }
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Generic observable property that notifies observers of value changes.
### Response:
```swift
protocol ObservablePropertyProtocol {
    associatedtype Value
    init(value: Value)
    var value: Value { get set }
    func subscribe(_ observer: @escaping (Value) -> Void) -> UUID
    func unsubscribe(_ observer: UUID)
}

class ObservableProperty<Value>: ObservablePropertyProtocol {
    typealias Value = Value
    
    private var observers: [UUID: (Value) -> Void] = [:]
    private var _value: Value
    
    init(value: Value) {
        self._value = value
    }
    
    var value: Value {
        get {
            return _value
        }
        set {
            _value = newValue
            notifyObservers()
        }
    }
    
    func subscribe(_ observer: @escaping (Value) -> Void) -> UUID {
        let uuid = UUID()
        observers[uuid] = observer
        return uuid
    }
    
    func unsubscribe(_ observer: UUID) {
        observers.removeValue(forKey: observer)
    }
    
    private func notifyObservers() {
        for observer in observers.values {
            observer(value)
        }
    }
}
```

protocol ObservablePropertyProtocol {
    associatedtype Value
    init(value: Value)
    var value: Value { get set }
    func subscribe(_ observer: @escaping (Value) -> Void) -> UUID
    func unsubscribe(_ observer: UUID)
}

class ObservableProperty<Value>: ObservablePropertyProtocol {
    typealias Value = Value
    
    private var observers: [UUID: (Value) -> Void] = [:]
    private var _value: Value
    
    init(value: Value) {
        self._value = value
    }
    
    var value: Value {
        get {
            return _value
        }
        set {
            _value = newValue
            notifyObservers()
        }
    }
    
    func subscribe(_ observer: @escaping (Value) -> Void) -> UUID {
        let uuid = UUID()
        observers[uuid] = observer
        return uuid
    }
    
    func unsubscribe(_ observer: UUID) {
        observers.removeValue(forKey: observer)
    }
    
    private func notifyObservers() {
        for observer in observers.values {
            observer(value)
        }
    }
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Generic observable property that notifies observers of value changes.
### Response:
```swift
protocol ObservablePropertyProtocol {
    associatedtype Value
    init(value: Value)
    var value: Value { get set }
    func subscribe(_ observer: @escaping (Value) -> Void) -> UUID
    func unsubscribe(_ observer: UUID)
}

class ObservableProperty<Value>: ObservablePropertyProtocol {
    typealias Value = Value
    
    private var observers: [UUID: (Value) -> Void] = [:]
    private var _value: Value
    
    init(value: Value) {
        self._value = value
    }
    
    var value: Value {
        get {
            return _value
        }
        set {
            _value = newValue
            notifyObservers()
        }
    }
    
    func subscribe(_ observer: @escaping (Value) -> Void) -> UUID {
        let uuid = UUID()
        observers[uuid] = observer
        return uuid
    }
    
    func unsubscribe(_ observer: UUID) {
        observers.removeValue(forKey: observer)
    }
    
    private func notifyObservers() {
        for observer in observers.values {
            observer(value)
        }
    }
}
```

protocol ObservablePropertyProtocol {
    associatedtype Value
    init(value: Value)
    var value: Value { get set }
    func subscribe(_ observer: @escaping (Value) -> Void) -> UUID
    func unsubscribe(_ observer: UUID)
}

class ObservableProperty<Value>: ObservablePropertyProtocol {
    typealias Value = Value
    
    private var observers: [UUID: (Value) -> Void] = [:]
    private var _value: Value
    
    init(value: Value) {
        self._value = value
    }
    
    var value: Value {
        get {
            return _value
        }
        set {
            _value = newValue
            notifyObservers()
        }
    }
    
    func subscribe(_ observer: @escaping (Value) -> Void) -> UUID {
        let uuid = UUID()
        observers[uuid] = observer
        return uuid
    }
    
    func unsubscribe(_ observer: UUID) {
        observers.removeValue(forKey: observer)
    }
    
    private func notifyObservers() {
        for observer in observers.values {
            observer(value)
        }
    }
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Generic observable property that notifies observers of value changes.
### Response:
```swift
protocol ObservablePropertyProtocol {
    associatedtype Value
    init(value: Value)
    var value: Value { get set }
    func subscribe(_ observer: @escaping (Value) -> Void) -> UUID
    func unsubscribe(_ observer: UUID)
}

class ObservableProperty<Value>: ObservablePropertyProtocol {
    typealias Value = Value
    
    private var observers: [UUID: (Value) -> Void] = [:]
    private var _value: Value
    
    init(value: Value) {
        self._value = value
    }
    
    var value: Value {
        get {
            return _value
        }
        set {
            _value = newValue
            notifyObservers()
        }
    }
    
    func subscribe(_ observer: @escaping (Value) -> Void) -> UUID {
        let uuid = UUID()
        observers[uuid] = observer
        return uuid
    }
    
    func unsubscribe(_ observer: UUID) {
        observers.removeValue(forKey: observer)
    }
    
    private func notifyObservers() {
        for observer in observers.values {
            observer(value)
        }
    }
}
```

protocol ObservablePropertyProtocol {
    associatedtype Value
    init(value: Value)
    var value: Value { get set }
    func subscribe(_ observer: @escaping (Value) -> Void) -> UUID
    func unsubscribe(_ observer: UUID)
}

class ObservableProperty<Value>: ObservablePropertyProtocol {
    typealias Value = Value
    
    private var observers: [UUID: (Value) -> Void] = [:]
    private var _value: Value
    
    init(value: Value) {
        self._value = value
    }
    
    var value: Value {
        get {
            return _value
        }
        set {
            _value = newValue
            notifyObservers()
        }
    }
    
    func subscribe(_ observer: @escaping (Value) -> Void) -> UUID {
        let uuid = UUID()
        observers[uuid] = observer
        return uuid
    }
    
    func unsubscribe(_ observer: UUID) {
        observers.removeValue(forKey: observer)
    }
    
    private func notifyObservers() {
        for observer in observers.values {
            observer(value)
        }
    }
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Generic observable property that notifies observers of value changes.
### Response:
```swift
protocol ObservablePropertyProtocol {
    associatedtype Value
    init(value: Value)
    var value: Value { get set }
    func subscribe(_ observer: @escaping (Value) -> Void) -> UUID
    func unsubscribe(_ observer: UUID)
}

class ObservableProperty<Value>: ObservablePropertyProtocol {
    typealias Value = Value
    
    private var observers: [UUID: (Value) -> Void] = [:]
    private var _value: Value
    
    init(value: Value) {
        self._value = value
    }
    
    var value: Value {
        get {
            return _value
        }
        set {
            _value = newValue
            notifyObservers()
        }
    }
    
    func subscribe(_ observer: @escaping (Value) -> Void) -> UUID {
        let uuid = UUID()
        observers[uuid] = observer
        return uuid
    }
    
    func unsubscribe(_ observer: UUID) {
        observers.removeValue(forKey: observer)
    }
    
    private func notifyObservers() {
        for observer in observers.values {
            observer(value)
        }
    }
}
```

protocol ObservablePropertyProtocol {
    associatedtype Value
    init(value: Value)
    var value: Value { get set }
    func subscribe(_ observer: @escaping (Value) -> Void) -> UUID
    func unsubscribe(_ observer: UUID)
}

class ObservableProperty<Value>: ObservablePropertyProtocol {
    typealias Value = Value
    
    private var observers: [UUID: (Value) -> Void] = [:]
    private var _value: Value
    
    init(value: Value) {
        self._value = value
    }
    
    var value: Value {
        get {
            return _value
        }
        set {
            _value = newValue
            notifyObservers()
        }
    }
    
    func subscribe(_ observer: @escaping (Value) -> Void) -> UUID {
        let uuid = UUID()
        observers[uuid] = observer
        return uuid
    }
    
    func unsubscribe(_ observer: UUID) {
        observers.removeValue(forKey: observer)
    }
    
    private func notifyObservers() {
        for observer in observers.values {
            observer(value)
        }
    }
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Generic observable property that notifies observers of value changes.
### Response:
```swift
protocol ObservablePropertyProtocol {
    associatedtype Value
    init(value: Value)
    var value: Value { get set }
    func subscribe(_ observer: @escaping (Value) -> Void) -> UUID
    func unsubscribe(_ observer: UUID)
}

class ObservableProperty<Value>: ObservablePropertyProtocol {
    typealias Value = Value
    
    private var observers: [UUID: (Value) -> Void] = [:]
    private var _value: Value
    
    init(value: Value) {
        self._value = value
    }
    
    var value: Value {
        get {
            return _value
        }
        set {
            _value = newValue
            notifyObservers()
        }
    }
    
    func subscribe(_ observer: @escaping (Value) -> Void) -> UUID {
        let uuid = UUID()
        observers[uuid] = observer
        return uuid
    }
    
    func unsubscribe(_ observer: UUID) {
        observers.removeValue(forKey: observer)
    }
    
    private func notifyObservers() {
        for observer in observers.values {
            observer(value)
        }
    }
}
```

protocol ObservablePropertyProtocol {
    associatedtype Value
    init(value: Value)
    var value: Value { get set }
    func subscribe(_ observer: @escaping (Value) -> Void) -> UUID
    func unsubscribe(_ observer: UUID)
}

class ObservableProperty<Value>: ObservablePropertyProtocol {
    typealias Value = Value
    private var observers: [UUID: (Value) -> Void] = [:]
    var value: Value {
        didSet {
            for observer in observers.values {
                observer(value)
            }
        }
    }
    
    init(value: Value) {
        self.value = value
    }
    
    func subscribe(_ observer: @escaping (Value) -> Void) -> UUID {
        let uuid = UUID()
        observers[uuid] = observer
        observer(value)
        return uuid
    }
    
    func unsubscribe(_ observer: UUID) {
        observers.removeValue(forKey: observer)
    }
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Generic observable property that notifies observers of value changes.
### Response:
```swift
protocol ObservablePropertyProtocol {
    associatedtype Value
    init(value: Value)
    var value: Value { get set }
    func subscribe(_ observer: @escaping (Value) -> Void) -> UUID
    func unsubscribe(_ observer: UUID)
}

class ObservableProperty<Value>: ObservablePropertyProtocol {
    typealias Value = Value
    private var observers: [UUID: (Value) -> Void] = [:]
    var value: Value {
        didSet {
            for observer in observers.values {
                observer(value)
            }
        }
    }
    
    init(value: Value) {
        self.value = value
    }
    
    func subscribe(_ observer: @escaping (Value) -> Void) -> UUID {
        let uuid = UUID()
        observers[uuid] = observer
        observer(value)
        return uuid
    }
    
    func unsubscribe(_ observer: UUID) {
        observers.removeValue(forKey: observer)
    }
}
```

protocol ObservablePropertyProtocol {
    associatedtype Value
    init(value: Value)
    var value: Value { get set }
    func subscribe(_ observer: @escaping (Value) -> Void) -> UUID
    func unsubscribe(_ observer: UUID)
}

class ObservableProperty<Value>: ObservablePropertyProtocol {
    typealias Value = Value
    var value: Value {
        didSet {
            observers.forEach { $0(self.value) }
        }
    }
    private var observers: [UUID: (Value) -> Void] = [:]

    init(value: Value) {
        self.value = value
    }

    func subscribe(_ observer: @escaping (Value) -> Void) -> UUID {
        let uuid = UUID()
        observers[uuid] = observer
        observer(value)
        return uuid
    }

    func unsubscribe(_ uuid: UUID) {
        observers.removeValue(forKey: uuid)
    }
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Generic observable property that notifies observers of value changes.
### Response:
```swift
protocol ObservablePropertyProtocol {
    associatedtype Value
    init(value: Value)
    var value: Value { get set }
    func subscribe(_ observer: @escaping (Value) -> Void) -> UUID
    func unsubscribe(_ observer: UUID)
}

class ObservableProperty<Value>: ObservablePropertyProtocol {
    typealias Value = Value
    var value: Value {
        didSet {
            observers.forEach { $0(self.value) }
        }
    }
    private var observers: [UUID: (Value) -> Void] = [:]

    init(value: Value) {
        self.value = value
    }

    func subscribe(_ observer: @escaping (Value) -> Void) -> UUID {
        let uuid = UUID()
        observers[uuid] = observer
        observer(value)
        return uuid
    }

    func unsubscribe(_ uuid: UUID) {
        observers.removeValue(forKey: uuid)
    }
}
```

protocol ObservablePropertyProtocol {
    associatedtype Value
    init(value: Value)
    var value: Value { get set }
    func subscribe(_ observer: @escaping (Value) -> Void) -> UUID
    func unsubscribe(_ observer: UUID)
}

class ObservableProperty<Value>: ObservablePropertyProtocol {
    typealias Value = Value
    
    private var observers: [UUID: (Value) -> Void] = [:]
    private var _value: Value
    
    init(value: Value) {
        self._value = value
    }
    
    var value: Value {
        get {
            return _value
        }
        set {
            _value = newValue
            notifyObservers()
        }
    }
    
    func subscribe(_ observer: @escaping (Value) -> Void) -> UUID {
        let uuid = UUID()
        observers[uuid] = observer
        return uuid
    }
    
    func unsubscribe(_ observer: UUID) {
        observers.removeValue(forKey: observer)
    }
    
    private func notifyObservers() {
        for observer in observers.values {
            observer(value)
        }
    }
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Generic observable property that notifies observers of value changes.
### Response:
```swift
protocol ObservablePropertyProtocol {
    associatedtype Value
    init(value: Value)
    var value: Value { get set }
    func subscribe(_ observer: @escaping (Value) -> Void) -> UUID
    func unsubscribe(_ observer: UUID)
}

class ObservableProperty<Value>: ObservablePropertyProtocol {
    typealias Value = Value
    
    private var observers: [UUID: (Value) -> Void] = [:]
    private var _value: Value
    
    init(value: Value) {
        self._value = value
    }
    
    var value: Value {
        get {
            return _value
        }
        set {
            _value = newValue
            notifyObservers()
        }
    }
    
    func subscribe(_ observer: @escaping (Value) -> Void) -> UUID {
        let uuid = UUID()
        observers[uuid] = observer
        return uuid
    }
    
    func unsubscribe(_ observer: UUID) {
        observers.removeValue(forKey: observer)
    }
    
    private func notifyObservers() {
        for observer in observers.values {
            observer(value)
        }
    }
}
```

protocol ClampedProtocol {
    associatedtype Value: Comparable
    init(wrappedValue: Value, _ range: ClosedRange<Value>)
}

@propertyWrapper
struct Clamped<T: Comparable>: ClampedProtocol {
    var wrappedValue: T
    var range: ClosedRange<T>
    
    init(wrappedValue: T, _ range: ClosedRange<T>) {
        self.wrappedValue = wrappedValue
        self.range = range
    }
    
    var projectedValue: T {
        get {
            if wrappedValue < range.lowerBound {
                return range.lowerBound
            } else if wrappedValue > range.upperBound {
                return range.upperBound
            } else {
                return wrappedValue
            }
        }
        set {
            wrappedValue = newValue
        }
    }
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Property wrapper that clamps value within a specified range.
### Response:
```swift
protocol ClampedProtocol {
    associatedtype Value: Comparable
    init(wrappedValue: Value, _ range: ClosedRange<Value>)
}

@propertyWrapper
struct Clamped<T: Comparable>: ClampedProtocol {
    var wrappedValue: T
    var range: ClosedRange<T>
    
    init(wrappedValue: T, _ range: ClosedRange<T>) {
        self.wrappedValue = wrappedValue
        self.range = range
    }
    
    var projectedValue: T {
        get {
            if wrappedValue < range.lowerBound {
                return range.lowerBound
            } else if wrappedValue > range.upperBound {
                return range.upperBound
            } else {
                return wrappedValue
            }
        }
        set {
            wrappedValue = newValue
        }
    }
}
```

protocol ClampedProtocol {
    associatedtype Value: Comparable
    init(wrappedValue: Value, _ range: ClosedRange<Value>)
}

@propertyWrapper
struct Clamped<T: Comparable>: ClampedProtocol {
    var wrappedValue: T
    var range: ClosedRange<T>

    init(wrappedValue: T, _ range: ClosedRange<T>) {
        self.wrappedValue = wrappedValue
        self.range = range
    }

    var projectedValue: T {
        get {
            return min(max(wrappedValue, range.lowerBound), range.upperBound)
        }
        set {
            wrappedValue = min(max(newValue, range.lowerBound), range.upperBound)
        }
    }
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Property wrapper that clamps value within a specified range.
### Response:
```swift
protocol ClampedProtocol {
    associatedtype Value: Comparable
    init(wrappedValue: Value, _ range: ClosedRange<Value>)
}

@propertyWrapper
struct Clamped<T: Comparable>: ClampedProtocol {
    var wrappedValue: T
    var range: ClosedRange<T>

    init(wrappedValue: T, _ range: ClosedRange<T>) {
        self.wrappedValue = wrappedValue
        self.range = range
    }

    var projectedValue: T {
        get {
            return min(max(wrappedValue, range.lowerBound), range.upperBound)
        }
        set {
            wrappedValue = min(max(newValue, range.lowerBound), range.upperBound)
        }
    }
}
```

protocol ClampedProtocol {
    associatedtype Value: Comparable
    init(wrappedValue: Value, _ range: ClosedRange<Value>)
}

@propertyWrapper
struct Clamped<T: Comparable>: ClampedProtocol {
    typealias Value = T
    var wrappedValue: T
    var range: ClosedRange<T>
    
    init(wrappedValue: T, _ range: ClosedRange<T>) {
        self.wrappedValue = wrappedValue
        self.range = range
    }
    
    var projectedValue: T {
        get {
            return max(range.lowerBound, min(range.upperBound, wrappedValue))
        }
        set {
            wrappedValue = max(range.lowerBound, min(range.upperBound, newValue))
        }
    }
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Property wrapper that clamps value within a specified range.
### Response:
```swift
protocol ClampedProtocol {
    associatedtype Value: Comparable
    init(wrappedValue: Value, _ range: ClosedRange<Value>)
}

@propertyWrapper
struct Clamped<T: Comparable>: ClampedProtocol {
    typealias Value = T
    var wrappedValue: T
    var range: ClosedRange<T>
    
    init(wrappedValue: T, _ range: ClosedRange<T>) {
        self.wrappedValue = wrappedValue
        self.range = range
    }
    
    var projectedValue: T {
        get {
            return max(range.lowerBound, min(range.upperBound, wrappedValue))
        }
        set {
            wrappedValue = max(range.lowerBound, min(range.upperBound, newValue))
        }
    }
}
```

protocol ClampedProtocol {
    associatedtype Value: Comparable
    init(wrappedValue: Value, _ range: ClosedRange<Value>)
}

@propertyWrapper
struct Clamped<T: Comparable>: ClampedProtocol {
    typealias Value = T
    var wrappedValue: T
    var range: ClosedRange<T>
    
    init(wrappedValue: T, _ range: ClosedRange<T>) {
        self.wrappedValue = wrappedValue
        self.range = range
    }
    
    var projectedValue: T {
        get {
            return min(max(wrappedValue, range.lowerBound), range.upperBound)
        }
        set {
            wrappedValue = min(max(newValue, range.lowerBound), range.upperBound)
        }
    }
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Property wrapper that clamps value within a specified range.
### Response:
```swift
protocol ClampedProtocol {
    associatedtype Value: Comparable
    init(wrappedValue: Value, _ range: ClosedRange<Value>)
}

@propertyWrapper
struct Clamped<T: Comparable>: ClampedProtocol {
    typealias Value = T
    var wrappedValue: T
    var range: ClosedRange<T>
    
    init(wrappedValue: T, _ range: ClosedRange<T>) {
        self.wrappedValue = wrappedValue
        self.range = range
    }
    
    var projectedValue: T {
        get {
            return min(max(wrappedValue, range.lowerBound), range.upperBound)
        }
        set {
            wrappedValue = min(max(newValue, range.lowerBound), range.upperBound)
        }
    }
}
```

protocol ClampedProtocol {
    associatedtype Value: Comparable
    init(wrappedValue: Value, _ range: ClosedRange<Value>)
}

@propertyWrapper
struct Clamped<T: Comparable>: ClampedProtocol {
    typealias Value = T
    var wrappedValue: T
    var range: ClosedRange<T>
    
    init(wrappedValue: T, _ range: ClosedRange<T>) {
        self.wrappedValue = wrappedValue
        self.range = range
    }
    
    var projectedValue: T {
        get {
            return min(max(wrappedValue, range.lowerBound), range.upperBound)
        }
        set {
            wrappedValue = min(max(newValue, range.lowerBound), range.upperBound)
        }
    }
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Property wrapper that clamps value within a specified range.
### Response:
```swift
protocol ClampedProtocol {
    associatedtype Value: Comparable
    init(wrappedValue: Value, _ range: ClosedRange<Value>)
}

@propertyWrapper
struct Clamped<T: Comparable>: ClampedProtocol {
    typealias Value = T
    var wrappedValue: T
    var range: ClosedRange<T>
    
    init(wrappedValue: T, _ range: ClosedRange<T>) {
        self.wrappedValue = wrappedValue
        self.range = range
    }
    
    var projectedValue: T {
        get {
            return min(max(wrappedValue, range.lowerBound), range.upperBound)
        }
        set {
            wrappedValue = min(max(newValue, range.lowerBound), range.upperBound)
        }
    }
}
```

protocol ClampedProtocol {
    associatedtype Value: Comparable
    init(wrappedValue: Value, _ range: ClosedRange<Value>)
}

@propertyWrapper
struct Clamped<T: Comparable>: ClampedProtocol {
    var wrappedValue: T
    var range: ClosedRange<T>

    init(wrappedValue: T, _ range: ClosedRange<T>) {
        self.wrappedValue = wrappedValue
        self.range = range
    }

    var projectedValue: T {
        get {
            return min(max(wrappedValue, range.lowerBound), range.upperBound)
        }
        set {
            wrappedValue = min(max(newValue, range.lowerBound), range.upperBound)
        }
    }
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Property wrapper that clamps value within a specified range.
### Response:
```swift
protocol ClampedProtocol {
    associatedtype Value: Comparable
    init(wrappedValue: Value, _ range: ClosedRange<Value>)
}

@propertyWrapper
struct Clamped<T: Comparable>: ClampedProtocol {
    var wrappedValue: T
    var range: ClosedRange<T>

    init(wrappedValue: T, _ range: ClosedRange<T>) {
        self.wrappedValue = wrappedValue
        self.range = range
    }

    var projectedValue: T {
        get {
            return min(max(wrappedValue, range.lowerBound), range.upperBound)
        }
        set {
            wrappedValue = min(max(newValue, range.lowerBound), range.upperBound)
        }
    }
}
```

protocol ClampedProtocol {
    associatedtype Value: Comparable
    init(wrappedValue: Value, _ range: ClosedRange<Value>)
}

@propertyWrapper
struct Clamped<T: Comparable>: ClampedProtocol {
    var wrappedValue: T
    var range: ClosedRange<T>
    
    init(wrappedValue: T, _ range: ClosedRange<T>) {
        self.wrappedValue = wrappedValue
        self.range = range
    }
    
    var projectedValue: T {
        get {
            if wrappedValue < range.lowerBound {
                return range.lowerBound
            } else if wrappedValue > range.upperBound {
                return range.upperBound
            } else {
                return wrappedValue
            }
        }
        set {
            wrappedValue = newValue
        }
    }
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Property wrapper that clamps value within a specified range.
### Response:
```swift
protocol ClampedProtocol {
    associatedtype Value: Comparable
    init(wrappedValue: Value, _ range: ClosedRange<Value>)
}

@propertyWrapper
struct Clamped<T: Comparable>: ClampedProtocol {
    var wrappedValue: T
    var range: ClosedRange<T>
    
    init(wrappedValue: T, _ range: ClosedRange<T>) {
        self.wrappedValue = wrappedValue
        self.range = range
    }
    
    var projectedValue: T {
        get {
            if wrappedValue < range.lowerBound {
                return range.lowerBound
            } else if wrappedValue > range.upperBound {
                return range.upperBound
            } else {
                return wrappedValue
            }
        }
        set {
            wrappedValue = newValue
        }
    }
}
```

protocol ClampedProtocol {
    associatedtype Value: Comparable
    init(wrappedValue: Value, _ range: ClosedRange<Value>)
}

@propertyWrapper
struct Clamped<T: Comparable>: ClampedProtocol {
    var wrappedValue: T
    var range: ClosedRange<T>
    
    init(wrappedValue: T, _ range: ClosedRange<T>) {
        self.wrappedValue = wrappedValue
        self.range = range
    }
    
    var projectedValue: T {
        get {
            return min(max(wrappedValue, range.lowerBound), range.upperBound)
        }
        set {
            wrappedValue = min(max(newValue, range.lowerBound), range.upperBound)
        }
    }
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Property wrapper that clamps value within a specified range.
### Response:
```swift
protocol ClampedProtocol {
    associatedtype Value: Comparable
    init(wrappedValue: Value, _ range: ClosedRange<Value>)
}

@propertyWrapper
struct Clamped<T: Comparable>: ClampedProtocol {
    var wrappedValue: T
    var range: ClosedRange<T>
    
    init(wrappedValue: T, _ range: ClosedRange<T>) {
        self.wrappedValue = wrappedValue
        self.range = range
    }
    
    var projectedValue: T {
        get {
            return min(max(wrappedValue, range.lowerBound), range.upperBound)
        }
        set {
            wrappedValue = min(max(newValue, range.lowerBound), range.upperBound)
        }
    }
}
```

protocol ClampedProtocol {
    associatedtype Value: Comparable
    init(wrappedValue: Value, _ range: ClosedRange<Value>)
}

@propertyWrapper
struct Clamped<T: Comparable>: ClampedProtocol {
    typealias Value = T
    var wrappedValue: T
    var range: ClosedRange<T>

    init(wrappedValue: T, _ range: ClosedRange<T>) {
        self.wrappedValue = wrappedValue
        self.range = range
    }

    var projectedValue: T {
        get {
            if wrappedValue < range.lowerBound {
                return range.lowerBound
            } else if wrappedValue > range.upperBound {
                return range.upperBound
            } else {
                return wrappedValue
            }
        }
        set {
            wrappedValue = newValue
        }
    }
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Property wrapper that clamps value within a specified range.
### Response:
```swift
protocol ClampedProtocol {
    associatedtype Value: Comparable
    init(wrappedValue: Value, _ range: ClosedRange<Value>)
}

@propertyWrapper
struct Clamped<T: Comparable>: ClampedProtocol {
    typealias Value = T
    var wrappedValue: T
    var range: ClosedRange<T>

    init(wrappedValue: T, _ range: ClosedRange<T>) {
        self.wrappedValue = wrappedValue
        self.range = range
    }

    var projectedValue: T {
        get {
            if wrappedValue < range.lowerBound {
                return range.lowerBound
            } else if wrappedValue > range.upperBound {
                return range.upperBound
            } else {
                return wrappedValue
            }
        }
        set {
            wrappedValue = newValue
        }
    }
}
```

protocol ClampedProtocol {
    associatedtype Value: Comparable
    init(wrappedValue: Value, _ range: ClosedRange<Value>)
}

@propertyWrapper
struct Clamped<T: Comparable>: ClampedProtocol {
    typealias Value = T
    var wrappedValue: T
    var range: ClosedRange<T>
    
    init(wrappedValue: T, _ range: ClosedRange<T>) {
        self.wrappedValue = wrappedValue
        self.range = range
    }
    
    var projectedValue: T {
        get {
            return max(min(wrappedValue, range.upperBound), range.lowerBound)
        }
        set {
            wrappedValue = max(min(newValue, range.upperBound), range.lowerBound)
        }
    }
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Property wrapper that clamps value within a specified range.
### Response:
```swift
protocol ClampedProtocol {
    associatedtype Value: Comparable
    init(wrappedValue: Value, _ range: ClosedRange<Value>)
}

@propertyWrapper
struct Clamped<T: Comparable>: ClampedProtocol {
    typealias Value = T
    var wrappedValue: T
    var range: ClosedRange<T>
    
    init(wrappedValue: T, _ range: ClosedRange<T>) {
        self.wrappedValue = wrappedValue
        self.range = range
    }
    
    var projectedValue: T {
        get {
            return max(min(wrappedValue, range.upperBound), range.lowerBound)
        }
        set {
            wrappedValue = max(min(newValue, range.upperBound), range.lowerBound)
        }
    }
}
```

enum Event {
    case get, set
}

protocol LoggedProtocol {
    associatedtype Value
    init(wrappedValue: Value, logger: @escaping (Event, Value) -> Void)
}

@propertyWrapper
struct Logged<Value: Any>: LoggedProtocol {
    var wrappedValue: Value
    var logger: (Event, Value) -> Void

    init(wrappedValue: Value, logger: @escaping (Event, Value) -> Void) {
        self.wrappedValue = wrappedValue
        self.logger = logger
    }

    var projectedValue: Logged<Value> {
        get {
            logger(.get, wrappedValue)
            return self
        }
        set {
            logger(.set, newValue.wrappedValue)
            wrappedValue = newValue.wrappedValue
        }
    }
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Property wrapper that logs access and modification of the wrapped property.
### Response:
```swift
enum Event {
    case get, set
}

protocol LoggedProtocol {
    associatedtype Value
    init(wrappedValue: Value, logger: @escaping (Event, Value) -> Void)
}

@propertyWrapper
struct Logged<Value: Any>: LoggedProtocol {
    var wrappedValue: Value
    var logger: (Event, Value) -> Void

    init(wrappedValue: Value, logger: @escaping (Event, Value) -> Void) {
        self.wrappedValue = wrappedValue
        self.logger = logger
    }

    var projectedValue: Logged<Value> {
        get {
            logger(.get, wrappedValue)
            return self
        }
        set {
            logger(.set, newValue.wrappedValue)
            wrappedValue = newValue.wrappedValue
        }
    }
}
```

enum Event {
    case get, set
}

protocol LoggedProtocol {
    associatedtype Value
    init(wrappedValue: Value, logger: @escaping (Event, Value) -> Void)
}

@propertyWrapper
struct Logged<Value: Any>: LoggedProtocol {
    var wrappedValue: Value {
        didSet {
            logger(.set, wrappedValue)
        }
    }
    var logger: (Event, Value) -> Void
    
    init(wrappedValue: Value, logger: @escaping (Event, Value) -> Void) {
        self.wrappedValue = wrappedValue
        self.logger = logger
        logger(.get, wrappedValue)
    }
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Property wrapper that logs access and modification of the wrapped property.
### Response:
```swift
enum Event {
    case get, set
}

protocol LoggedProtocol {
    associatedtype Value
    init(wrappedValue: Value, logger: @escaping (Event, Value) -> Void)
}

@propertyWrapper
struct Logged<Value: Any>: LoggedProtocol {
    var wrappedValue: Value {
        didSet {
            logger(.set, wrappedValue)
        }
    }
    var logger: (Event, Value) -> Void
    
    init(wrappedValue: Value, logger: @escaping (Event, Value) -> Void) {
        self.wrappedValue = wrappedValue
        self.logger = logger
        logger(.get, wrappedValue)
    }
}
```

enum Event {
    case get, set
}

protocol LoggedProtocol {
    associatedtype Value
    init(wrappedValue: Value, logger: @escaping (Event, Value) -> Void)
}

@propertyWrapper
struct Logged<Value: Any>: LoggedProtocol {
    var wrappedValue: Value {
        didSet {
            logger(.set, oldValue)
            logger(.set, wrappedValue)
        }
    }
    var logger: (Event, Value) -> Void

    init(wrappedValue: Value, logger: @escaping (Event, Value) -> Void) {
        self.wrappedValue = wrappedValue
        self.logger = logger
        logger(.get, wrappedValue)
    }
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Property wrapper that logs access and modification of the wrapped property.
### Response:
```swift
enum Event {
    case get, set
}

protocol LoggedProtocol {
    associatedtype Value
    init(wrappedValue: Value, logger: @escaping (Event, Value) -> Void)
}

@propertyWrapper
struct Logged<Value: Any>: LoggedProtocol {
    var wrappedValue: Value {
        didSet {
            logger(.set, oldValue)
            logger(.set, wrappedValue)
        }
    }
    var logger: (Event, Value) -> Void

    init(wrappedValue: Value, logger: @escaping (Event, Value) -> Void) {
        self.wrappedValue = wrappedValue
        self.logger = logger
        logger(.get, wrappedValue)
    }
}
```

enum Event {
    case get, set
}

protocol LoggedProtocol {
    associatedtype Value
    init(wrappedValue: Value, logger: @escaping (Event, Value) -> Void)
}

@propertyWrapper
struct Logged<Value: Any>: LoggedProtocol {
    var wrappedValue: Value {
        didSet {
            logger(.set, wrappedValue)
        }
    }
    var logger: (Event, Value) -> Void
    
    init(wrappedValue: Value, logger: @escaping (Event, Value) -> Void) {
        self.wrappedValue = wrappedValue
        self.logger = logger
        logger(.get, wrappedValue)
    }
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Property wrapper that logs access and modification of the wrapped property.
### Response:
```swift
enum Event {
    case get, set
}

protocol LoggedProtocol {
    associatedtype Value
    init(wrappedValue: Value, logger: @escaping (Event, Value) -> Void)
}

@propertyWrapper
struct Logged<Value: Any>: LoggedProtocol {
    var wrappedValue: Value {
        didSet {
            logger(.set, wrappedValue)
        }
    }
    var logger: (Event, Value) -> Void
    
    init(wrappedValue: Value, logger: @escaping (Event, Value) -> Void) {
        self.wrappedValue = wrappedValue
        self.logger = logger
        logger(.get, wrappedValue)
    }
}
```

enum Event {
    case get, set
}

protocol LoggedProtocol {
    associatedtype Value
    init(wrappedValue: Value, logger: @escaping (Event, Value) -> Void)
}

@propertyWrapper
struct Logged<Value: Any>: LoggedProtocol {
    var wrappedValue: Value {
        didSet {
            logger(.set, oldValue)
            logger(.set, wrappedValue)
        }
    }
    var logger: (Event, Value) -> Void

    init(wrappedValue: Value, logger: @escaping (Event, Value) -> Void) {
        self.wrappedValue = wrappedValue
        self.logger = logger
        logger(.get, wrappedValue)
    }
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Property wrapper that logs access and modification of the wrapped property.
### Response:
```swift
enum Event {
    case get, set
}

protocol LoggedProtocol {
    associatedtype Value
    init(wrappedValue: Value, logger: @escaping (Event, Value) -> Void)
}

@propertyWrapper
struct Logged<Value: Any>: LoggedProtocol {
    var wrappedValue: Value {
        didSet {
            logger(.set, oldValue)
            logger(.set, wrappedValue)
        }
    }
    var logger: (Event, Value) -> Void

    init(wrappedValue: Value, logger: @escaping (Event, Value) -> Void) {
        self.wrappedValue = wrappedValue
        self.logger = logger
        logger(.get, wrappedValue)
    }
}
```

enum Event {
    case get, set
}

protocol LoggedProtocol {
    associatedtype Value
    init(wrappedValue: Value, logger: @escaping (Event, Value) -> Void)
}

@propertyWrapper
struct Logged<Value: Any>: LoggedProtocol {
    var wrappedValue: Value
    var logger: (Event, Value) -> Void

    init(wrappedValue: Value, logger: @escaping (Event, Value) -> Void) {
        self.wrappedValue = wrappedValue
        self.logger = logger
    }

    var projectedValue: Logged<Value> {
        get {
            logger(.get, wrappedValue)
            return self
        }
        set {
            logger(.set, newValue.wrappedValue)
            wrappedValue = newValue.wrappedValue
        }
    }
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Property wrapper that logs access and modification of the wrapped property.
### Response:
```swift
enum Event {
    case get, set
}

protocol LoggedProtocol {
    associatedtype Value
    init(wrappedValue: Value, logger: @escaping (Event, Value) -> Void)
}

@propertyWrapper
struct Logged<Value: Any>: LoggedProtocol {
    var wrappedValue: Value
    var logger: (Event, Value) -> Void

    init(wrappedValue: Value, logger: @escaping (Event, Value) -> Void) {
        self.wrappedValue = wrappedValue
        self.logger = logger
    }

    var projectedValue: Logged<Value> {
        get {
            logger(.get, wrappedValue)
            return self
        }
        set {
            logger(.set, newValue.wrappedValue)
            wrappedValue = newValue.wrappedValue
        }
    }
}
```

enum Event {
    case get, set
}

protocol LoggedProtocol {
    associatedtype Value
    init(wrappedValue: Value, logger: @escaping (Event, Value) -> Void)
}

@propertyWrapper
struct Logged<Value: Any>: LoggedProtocol {
    var wrappedValue: Value
    var logger: (Event, Value) -> Void

    init(wrappedValue: Value, logger: @escaping (Event, Value) -> Void) {
        self.wrappedValue = wrappedValue
        self.logger = logger
    }

    var projectedValue: Logged<Value> {
        get {
            logger(.get, wrappedValue)
            return self
        }
        set {
            logger(.set, newValue.wrappedValue)
            wrappedValue = newValue.wrappedValue
        }
    }
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Property wrapper that logs access and modification of the wrapped property.
### Response:
```swift
enum Event {
    case get, set
}

protocol LoggedProtocol {
    associatedtype Value
    init(wrappedValue: Value, logger: @escaping (Event, Value) -> Void)
}

@propertyWrapper
struct Logged<Value: Any>: LoggedProtocol {
    var wrappedValue: Value
    var logger: (Event, Value) -> Void

    init(wrappedValue: Value, logger: @escaping (Event, Value) -> Void) {
        self.wrappedValue = wrappedValue
        self.logger = logger
    }

    var projectedValue: Logged<Value> {
        get {
            logger(.get, wrappedValue)
            return self
        }
        set {
            logger(.set, newValue.wrappedValue)
            wrappedValue = newValue.wrappedValue
        }
    }
}
```

enum Event {
    case get, set
}

protocol LoggedProtocol {
    associatedtype Value
    init(wrappedValue: Value, logger: @escaping (Event, Value) -> Void)
}

@propertyWrapper
struct Logged<Value: Any>: LoggedProtocol {
    var wrappedValue: Value {
        didSet {
            logger(.set, wrappedValue)
        }
    }
    var logger: (Event, Value) -> Void

    init(wrappedValue: Value, logger: @escaping (Event, Value) -> Void) {
        self.wrappedValue = wrappedValue
        self.logger = logger
        logger(.get, wrappedValue)
    }
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Property wrapper that logs access and modification of the wrapped property.
### Response:
```swift
enum Event {
    case get, set
}

protocol LoggedProtocol {
    associatedtype Value
    init(wrappedValue: Value, logger: @escaping (Event, Value) -> Void)
}

@propertyWrapper
struct Logged<Value: Any>: LoggedProtocol {
    var wrappedValue: Value {
        didSet {
            logger(.set, wrappedValue)
        }
    }
    var logger: (Event, Value) -> Void

    init(wrappedValue: Value, logger: @escaping (Event, Value) -> Void) {
        self.wrappedValue = wrappedValue
        self.logger = logger
        logger(.get, wrappedValue)
    }
}
```

enum Event {
    case get, set
}

protocol LoggedProtocol {
    associatedtype Value
    init(wrappedValue: Value, logger: @escaping (Event, Value) -> Void)
}

@propertyWrapper
struct Logged<Value: Any>: LoggedProtocol {
    var wrappedValue: Value {
        didSet {
            logger(.set, wrappedValue)
        }
    }
    var logger: (Event, Value) -> Void

    init(wrappedValue: Value, logger: @escaping (Event, Value) -> Void) {
        self.wrappedValue = wrappedValue
        self.logger = logger
        logger(.get, wrappedValue)
    }
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Property wrapper that logs access and modification of the wrapped property.
### Response:
```swift
enum Event {
    case get, set
}

protocol LoggedProtocol {
    associatedtype Value
    init(wrappedValue: Value, logger: @escaping (Event, Value) -> Void)
}

@propertyWrapper
struct Logged<Value: Any>: LoggedProtocol {
    var wrappedValue: Value {
        didSet {
            logger(.set, wrappedValue)
        }
    }
    var logger: (Event, Value) -> Void

    init(wrappedValue: Value, logger: @escaping (Event, Value) -> Void) {
        self.wrappedValue = wrappedValue
        self.logger = logger
        logger(.get, wrappedValue)
    }
}
```

enum Event {
    case get, set
}

protocol LoggedProtocol {
    associatedtype Value
    init(wrappedValue: Value, logger: @escaping (Event, Value) -> Void)
}

@propertyWrapper
struct Logged<Value: Any>: LoggedProtocol {
    var wrappedValue: Value {
        didSet {
            logger(.set, oldValue)
            logger(.set, wrappedValue)
        }
    }
    var logger: (Event, Value) -> Void
    
    init(wrappedValue: Value, logger: @escaping (Event, Value) -> Void) {
        self.wrappedValue = wrappedValue
        self.logger = logger
        logger(.get, wrappedValue)
    }
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Property wrapper that logs access and modification of the wrapped property.
### Response:
```swift
enum Event {
    case get, set
}

protocol LoggedProtocol {
    associatedtype Value
    init(wrappedValue: Value, logger: @escaping (Event, Value) -> Void)
}

@propertyWrapper
struct Logged<Value: Any>: LoggedProtocol {
    var wrappedValue: Value {
        didSet {
            logger(.set, oldValue)
            logger(.set, wrappedValue)
        }
    }
    var logger: (Event, Value) -> Void
    
    init(wrappedValue: Value, logger: @escaping (Event, Value) -> Void) {
        self.wrappedValue = wrappedValue
        self.logger = logger
        logger(.get, wrappedValue)
    }
}
```

protocol WeatherProvider {
    func forecast(for city: String) throws -> String
}

enum UserAction {
    case keyboardCharacterSelect(Character)
    case keyboardDeleteBackwards
    case searchButtonPress
}

enum ApplicationFeedback: Equatable {
    case success(city: String, forecast: String)
    case failure(city: String)
}

protocol WeatherApplicationDependencies {
    init(provider: WeatherProvider)
}

protocol WeatherApplicationInteractions {
    func handle(action: UserAction) -> ApplicationFeedback?
}

typealias WeatherApplicationProtocol = WeatherApplicationDependencies & WeatherApplicationInteractions

class WeatherApplication: WeatherApplicationProtocol {
    private let provider: WeatherProvider
    private var searchBarContent: String = ""

    init(provider: WeatherProvider) {
        self.provider = provider
    }

    func handle(action: UserAction) -> ApplicationFeedback? {
        switch action {
        case .keyboardCharacterSelect(let character):
            searchBarContent.append(character)
        case .keyboardDeleteBackwards:
            if let range = searchBarContent.range(of: "\\S+\$") {
                searchBarContent.remove(range)
            }
        case .searchButtonPress:
            return forecast(for: searchBarContent)
        }
        return nil
    }

    private func forecast(for city: String) -> ApplicationFeedback {
        do {
            let forecast = try provider.forecast(for: city)
            return .success(city: city, forecast: forecast)
        } catch {
            return .failure(city: city)
        }
    }
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Weather application provider.
Handle user actions to fill search bar results and use WeatherProvider to check forecast.
### Response:
```swift
protocol WeatherProvider {
    func forecast(for city: String) throws -> String
}

enum UserAction {
    case keyboardCharacterSelect(Character)
    case keyboardDeleteBackwards
    case searchButtonPress
}

enum ApplicationFeedback: Equatable {
    case success(city: String, forecast: String)
    case failure(city: String)
}

protocol WeatherApplicationDependencies {
    init(provider: WeatherProvider)
}

protocol WeatherApplicationInteractions {
    func handle(action: UserAction) -> ApplicationFeedback?
}

typealias WeatherApplicationProtocol = WeatherApplicationDependencies & WeatherApplicationInteractions

class WeatherApplication: WeatherApplicationProtocol {
    private let provider: WeatherProvider
    private var searchBarContent: String = ""

    init(provider: WeatherProvider) {
        self.provider = provider
    }

    func handle(action: UserAction) -> ApplicationFeedback? {
        switch action {
        case .keyboardCharacterSelect(let character):
            searchBarContent.append(character)
        case .keyboardDeleteBackwards:
            if let range = searchBarContent.range(of: "\\S+\$") {
                searchBarContent.remove(range)
            }
        case .searchButtonPress:
            return forecast(for: searchBarContent)
        }
        return nil
    }

    private func forecast(for city: String) -> ApplicationFeedback {
        do {
            let forecast = try provider.forecast(for: city)
            return .success(city: city, forecast: forecast)
        } catch {
            return .failure(city: city)
        }
    }
}
```

protocol WeatherProvider {
    func forecast(for city: String) throws -> String
}

enum UserAction {
    case keyboardCharacterSelect(Character)
    case keyboardDeleteBackwards
    case searchButtonPress
}

enum ApplicationFeedback: Equatable {
    case success(city: String, forecast: String)
    case failure(city: String)
}

protocol WeatherApplicationDependencies {
    init(provider: WeatherProvider)
}

protocol WeatherApplicationInteractions {
    func handle(action: UserAction) -> ApplicationFeedback?
}

typealias WeatherApplicationProtocol = WeatherApplicationDependencies & WeatherApplicationInteractions

class WeatherApplication: WeatherApplicationProtocol {
    private let provider: WeatherProvider
    private var searchBarText: String = ""

    init(provider: WeatherProvider) {
        self.provider = provider
    }

    func handle(action: UserAction) -> ApplicationFeedback? {
        switch action {
        case .keyboardCharacterSelect(let character):
            searchBarText.append(character)
        case .keyboardDeleteBackwards:
            if let newString = searchBarText.dropLast() {
                searchBarText = newString
            }
        case .searchButtonPress:
            return forecastForCity(city: searchBarText)
        }
        return nil
    }

    private func forecastForCity(city: String) -> ApplicationFeedback {
        do {
            let forecast = try provider.forecast(for: city)
            return .success(city: city, forecast: forecast)
        } catch {
            return .failure(city: city)
        }
    }
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Weather application provider.
Handle user actions to fill search bar results and use WeatherProvider to check forecast.
### Response:
```swift
protocol WeatherProvider {
    func forecast(for city: String) throws -> String
}

enum UserAction {
    case keyboardCharacterSelect(Character)
    case keyboardDeleteBackwards
    case searchButtonPress
}

enum ApplicationFeedback: Equatable {
    case success(city: String, forecast: String)
    case failure(city: String)
}

protocol WeatherApplicationDependencies {
    init(provider: WeatherProvider)
}

protocol WeatherApplicationInteractions {
    func handle(action: UserAction) -> ApplicationFeedback?
}

typealias WeatherApplicationProtocol = WeatherApplicationDependencies & WeatherApplicationInteractions

class WeatherApplication: WeatherApplicationProtocol {
    private let provider: WeatherProvider
    private var searchBarText: String = ""

    init(provider: WeatherProvider) {
        self.provider = provider
    }

    func handle(action: UserAction) -> ApplicationFeedback? {
        switch action {
        case .keyboardCharacterSelect(let character):
            searchBarText.append(character)
        case .keyboardDeleteBackwards:
            if let newString = searchBarText.dropLast() {
                searchBarText = newString
            }
        case .searchButtonPress:
            return forecastForCity(city: searchBarText)
        }
        return nil
    }

    private func forecastForCity(city: String) -> ApplicationFeedback {
        do {
            let forecast = try provider.forecast(for: city)
            return .success(city: city, forecast: forecast)
        } catch {
            return .failure(city: city)
        }
    }
}
```

protocol WeatherProvider {
    func forecast(for city: String) throws -> String
}

enum UserAction {
    case keyboardCharacterSelect(Character)
    case keyboardDeleteBackwards
    case searchButtonPress
}

enum ApplicationFeedback: Equatable {
    case success(city: String, forecast: String)
    case failure(city: String)
}

protocol WeatherApplicationDependencies {
    init(provider: WeatherProvider)
}

protocol WeatherApplicationInteractions {
    func handle(action: UserAction) -> ApplicationFeedback?
}

typealias WeatherApplicationProtocol = WeatherApplicationDependencies & WeatherApplicationInteractions

class WeatherApplication: WeatherApplicationProtocol {
    private let provider: WeatherProvider
    private var searchBarText: String = ""

    init(provider: WeatherProvider) {
        self.provider = provider
    }

    func handle(action: UserAction) -> ApplicationFeedback? {
        switch action {
        case .keyboardCharacterSelect(let character):
            searchBarText.append(character)
        case .keyboardDeleteBackwards:
            if let newText = searchBarText.dropLast() {
                searchBarText = newText
            }
        case .searchButtonPress:
            return forecastForCity(searchBarText)
        }
        return nil
    }

    private func forecastForCity(_ city: String) -> ApplicationFeedback {
        do {
            let forecast = try provider.forecast(for: city)
            return .success(city: city, forecast: forecast)
        } catch {
            return .failure(city: city)
        }
    }
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Weather application provider.
Handle user actions to fill search bar results and use WeatherProvider to check forecast.
### Response:
```swift
protocol WeatherProvider {
    func forecast(for city: String) throws -> String
}

enum UserAction {
    case keyboardCharacterSelect(Character)
    case keyboardDeleteBackwards
    case searchButtonPress
}

enum ApplicationFeedback: Equatable {
    case success(city: String, forecast: String)
    case failure(city: String)
}

protocol WeatherApplicationDependencies {
    init(provider: WeatherProvider)
}

protocol WeatherApplicationInteractions {
    func handle(action: UserAction) -> ApplicationFeedback?
}

typealias WeatherApplicationProtocol = WeatherApplicationDependencies & WeatherApplicationInteractions

class WeatherApplication: WeatherApplicationProtocol {
    private let provider: WeatherProvider
    private var searchBarText: String = ""

    init(provider: WeatherProvider) {
        self.provider = provider
    }

    func handle(action: UserAction) -> ApplicationFeedback? {
        switch action {
        case .keyboardCharacterSelect(let character):
            searchBarText.append(character)
        case .keyboardDeleteBackwards:
            if let newText = searchBarText.dropLast() {
                searchBarText = newText
            }
        case .searchButtonPress:
            return forecastForCity(searchBarText)
        }
        return nil
    }

    private func forecastForCity(_ city: String) -> ApplicationFeedback {
        do {
            let forecast = try provider.forecast(for: city)
            return .success(city: city, forecast: forecast)
        } catch {
            return .failure(city: city)
        }
    }
}
```

protocol WeatherProvider {
    func forecast(for city: String) throws -> String
}

enum UserAction {
    case keyboardCharacterSelect(Character)
    case keyboardDeleteBackwards
    case searchButtonPress
}

enum ApplicationFeedback: Equatable {
    case success(city: String, forecast: String)
    case failure(city: String)
}

protocol WeatherApplicationDependencies {
    init(provider: WeatherProvider)
}

protocol WeatherApplicationInteractions {
    func handle(action: UserAction) -> ApplicationFeedback?
}

typealias WeatherApplicationProtocol = WeatherApplicationDependencies & WeatherApplicationInteractions

class WeatherApplication: WeatherApplicationProtocol {
    private let provider: WeatherProvider
    private var searchBarText: String = ""

    init(provider: WeatherProvider) {
        self.provider = provider
    }

    func handle(action: UserAction) -> ApplicationFeedback? {
        switch action {
        case .keyboardCharacterSelect(let character):
            searchBarText.append(character)
        case .keyboardDeleteBackwards:
            if let newString = searchBarText.dropLast() {
                searchBarText = newString
            }
        case .searchButtonPress:
            return forecast(for: searchBarText)
        }
        return nil
    }

    private func forecast(for city: String) -> ApplicationFeedback {
        do {
            let forecast = try provider.forecast(for: city)
            return .success(city: city, forecast: forecast)
        } catch {
            return .failure(city: city)
        }
    }
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Weather application provider.
Handle user actions to fill search bar results and use WeatherProvider to check forecast.
### Response:
```swift
protocol WeatherProvider {
    func forecast(for city: String) throws -> String
}

enum UserAction {
    case keyboardCharacterSelect(Character)
    case keyboardDeleteBackwards
    case searchButtonPress
}

enum ApplicationFeedback: Equatable {
    case success(city: String, forecast: String)
    case failure(city: String)
}

protocol WeatherApplicationDependencies {
    init(provider: WeatherProvider)
}

protocol WeatherApplicationInteractions {
    func handle(action: UserAction) -> ApplicationFeedback?
}

typealias WeatherApplicationProtocol = WeatherApplicationDependencies & WeatherApplicationInteractions

class WeatherApplication: WeatherApplicationProtocol {
    private let provider: WeatherProvider
    private var searchBarText: String = ""

    init(provider: WeatherProvider) {
        self.provider = provider
    }

    func handle(action: UserAction) -> ApplicationFeedback? {
        switch action {
        case .keyboardCharacterSelect(let character):
            searchBarText.append(character)
        case .keyboardDeleteBackwards:
            if let newString = searchBarText.dropLast() {
                searchBarText = newString
            }
        case .searchButtonPress:
            return forecast(for: searchBarText)
        }
        return nil
    }

    private func forecast(for city: String) -> ApplicationFeedback {
        do {
            let forecast = try provider.forecast(for: city)
            return .success(city: city, forecast: forecast)
        } catch {
            return .failure(city: city)
        }
    }
}
```

protocol WeatherProvider {
    func forecast(for city: String) throws -> String
}

enum UserAction {
    case keyboardCharacterSelect(Character)
    case keyboardDeleteBackwards
    case searchButtonPress
}

enum ApplicationFeedback: Equatable {
    case success(city: String, forecast: String)
    case failure(city: String)
}

protocol WeatherApplicationDependencies {
    init(provider: WeatherProvider)
}

protocol WeatherApplicationInteractions {
    func handle(action: UserAction) -> ApplicationFeedback?
}

typealias WeatherApplicationProtocol = WeatherApplicationDependencies & WeatherApplicationInteractions

class WeatherApplication: WeatherApplicationProtocol {
    private let provider: WeatherProvider
    private var searchBarText: String = ""

    init(provider: WeatherProvider) {
        self.provider = provider
    }

    func handle(action: UserAction) -> ApplicationFeedback? {
        switch action {
        case .keyboardCharacterSelect(let character):
            searchBarText.append(character)
            return nil
        case .keyboardDeleteBackwards:
            if let newText = searchBarText.dropLast() {
                searchBarText = newText
            }
            return nil
        case .searchButtonPress:
            do {
                let forecast = try provider.forecast(for: searchBarText)
                return ApplicationFeedback.success(city: searchBarText, forecast: forecast)
            } catch {
                return ApplicationFeedback.failure(city: searchBarText)
            }
        }
    }
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Weather application provider.
Handle user actions to fill search bar results and use WeatherProvider to check forecast.
### Response:
```swift
protocol WeatherProvider {
    func forecast(for city: String) throws -> String
}

enum UserAction {
    case keyboardCharacterSelect(Character)
    case keyboardDeleteBackwards
    case searchButtonPress
}

enum ApplicationFeedback: Equatable {
    case success(city: String, forecast: String)
    case failure(city: String)
}

protocol WeatherApplicationDependencies {
    init(provider: WeatherProvider)
}

protocol WeatherApplicationInteractions {
    func handle(action: UserAction) -> ApplicationFeedback?
}

typealias WeatherApplicationProtocol = WeatherApplicationDependencies & WeatherApplicationInteractions

class WeatherApplication: WeatherApplicationProtocol {
    private let provider: WeatherProvider
    private var searchBarText: String = ""

    init(provider: WeatherProvider) {
        self.provider = provider
    }

    func handle(action: UserAction) -> ApplicationFeedback? {
        switch action {
        case .keyboardCharacterSelect(let character):
            searchBarText.append(character)
            return nil
        case .keyboardDeleteBackwards:
            if let newText = searchBarText.dropLast() {
                searchBarText = newText
            }
            return nil
        case .searchButtonPress:
            do {
                let forecast = try provider.forecast(for: searchBarText)
                return ApplicationFeedback.success(city: searchBarText, forecast: forecast)
            } catch {
                return ApplicationFeedback.failure(city: searchBarText)
            }
        }
    }
}
```

protocol WeatherProvider {
    func forecast(for city: String) throws -> String
}

enum UserAction {
    case keyboardCharacterSelect(Character)
    case keyboardDeleteBackwards
    case searchButtonPress
}

enum ApplicationFeedback: Equatable {
    case success(city: String, forecast: String)
    case failure(city: String)
}

protocol WeatherApplicationDependencies {
    init(provider: WeatherProvider)
}

protocol WeatherApplicationInteractions {
    func handle(action: UserAction) -> ApplicationFeedback?
}

typealias WeatherApplicationProtocol = WeatherApplicationDependencies & WeatherApplicationInteractions

class WeatherApplication: WeatherApplicationProtocol {
    private let provider: WeatherProvider
    private var searchBarText: String = ""

    init(provider: WeatherProvider) {
        self.provider = provider
    }

    func handle(action: UserAction) -> ApplicationFeedback? {
        switch action {
        case .keyboardCharacterSelect(let character):
            searchBarText.append(character)
        case .keyboardDeleteBackwards:
            if let newString = searchBarText.dropLast() {
                searchBarText = newString
            }
        case .searchButtonPress:
            return forecastForCity(city: searchBarText)
        }
        return nil
    }

    private func forecastForCity(city: String) -> ApplicationFeedback {
        do {
            let forecast = try provider.forecast(for: city)
            return .success(city: city, forecast: forecast)
        } catch {
            return .failure(city: city)
        }
    }
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Weather application provider.
Handle user actions to fill search bar results and use WeatherProvider to check forecast.
### Response:
```swift
protocol WeatherProvider {
    func forecast(for city: String) throws -> String
}

enum UserAction {
    case keyboardCharacterSelect(Character)
    case keyboardDeleteBackwards
    case searchButtonPress
}

enum ApplicationFeedback: Equatable {
    case success(city: String, forecast: String)
    case failure(city: String)
}

protocol WeatherApplicationDependencies {
    init(provider: WeatherProvider)
}

protocol WeatherApplicationInteractions {
    func handle(action: UserAction) -> ApplicationFeedback?
}

typealias WeatherApplicationProtocol = WeatherApplicationDependencies & WeatherApplicationInteractions

class WeatherApplication: WeatherApplicationProtocol {
    private let provider: WeatherProvider
    private var searchBarText: String = ""

    init(provider: WeatherProvider) {
        self.provider = provider
    }

    func handle(action: UserAction) -> ApplicationFeedback? {
        switch action {
        case .keyboardCharacterSelect(let character):
            searchBarText.append(character)
        case .keyboardDeleteBackwards:
            if let newString = searchBarText.dropLast() {
                searchBarText = newString
            }
        case .searchButtonPress:
            return forecastForCity(city: searchBarText)
        }
        return nil
    }

    private func forecastForCity(city: String) -> ApplicationFeedback {
        do {
            let forecast = try provider.forecast(for: city)
            return .success(city: city, forecast: forecast)
        } catch {
            return .failure(city: city)
        }
    }
}
```

protocol WeatherProvider {
    func forecast(for city: String) throws -> String
}

enum UserAction {
    case keyboardCharacterSelect(Character)
    case keyboardDeleteBackwards
    case searchButtonPress
}

enum ApplicationFeedback: Equatable {
    case success(city: String, forecast: String)
    case failure(city: String)
}

protocol WeatherApplicationDependencies {
    init(provider: WeatherProvider)
}

protocol WeatherApplicationInteractions {
    func handle(action: UserAction) -> ApplicationFeedback?
}

typealias WeatherApplicationProtocol = WeatherApplicationDependencies & WeatherApplicationInteractions

class WeatherApplication: WeatherApplicationProtocol {
    private let provider: WeatherProvider
    private var searchBarText: String = ""

    init(provider: WeatherProvider) {
        self.provider = provider
    }

    func handle(action: UserAction) -> ApplicationFeedback? {
        switch action {
        case .keyboardCharacterSelect(let character):
            searchBarText.append(character)
        case .keyboardDeleteBackwards:
            if let newText = searchBarText.dropLast() {
                searchBarText = newText
            }
        case .searchButtonPress:
            return forecastForCity(searchBarText)
        }
        return nil
    }

    private func forecastForCity(_ city: String) -> ApplicationFeedback {
        do {
            let forecast = try provider.forecast(for: city)
            return .success(city: city, forecast: forecast)
        } catch {
            return .failure(city: city)
        }
    }
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Weather application provider.
Handle user actions to fill search bar results and use WeatherProvider to check forecast.
### Response:
```swift
protocol WeatherProvider {
    func forecast(for city: String) throws -> String
}

enum UserAction {
    case keyboardCharacterSelect(Character)
    case keyboardDeleteBackwards
    case searchButtonPress
}

enum ApplicationFeedback: Equatable {
    case success(city: String, forecast: String)
    case failure(city: String)
}

protocol WeatherApplicationDependencies {
    init(provider: WeatherProvider)
}

protocol WeatherApplicationInteractions {
    func handle(action: UserAction) -> ApplicationFeedback?
}

typealias WeatherApplicationProtocol = WeatherApplicationDependencies & WeatherApplicationInteractions

class WeatherApplication: WeatherApplicationProtocol {
    private let provider: WeatherProvider
    private var searchBarText: String = ""

    init(provider: WeatherProvider) {
        self.provider = provider
    }

    func handle(action: UserAction) -> ApplicationFeedback? {
        switch action {
        case .keyboardCharacterSelect(let character):
            searchBarText.append(character)
        case .keyboardDeleteBackwards:
            if let newText = searchBarText.dropLast() {
                searchBarText = newText
            }
        case .searchButtonPress:
            return forecastForCity(searchBarText)
        }
        return nil
    }

    private func forecastForCity(_ city: String) -> ApplicationFeedback {
        do {
            let forecast = try provider.forecast(for: city)
            return .success(city: city, forecast: forecast)
        } catch {
            return .failure(city: city)
        }
    }
}
```

protocol WeatherProvider {
    func forecast(for city: String) throws -> String
}

enum UserAction {
    case keyboardCharacterSelect(Character)
    case keyboardDeleteBackwards
    case searchButtonPress
}

enum ApplicationFeedback: Equatable {
    case success(city: String, forecast: String)
    case failure(city: String)
}

protocol WeatherApplicationDependencies {
    init(provider: WeatherProvider)
}

protocol WeatherApplicationInteractions {
    func handle(action: UserAction) -> ApplicationFeedback?
}

typealias WeatherApplicationProtocol = WeatherApplicationDependencies & WeatherApplicationInteractions

class WeatherApplication: WeatherApplicationProtocol {
    private let provider: WeatherProvider
    private var searchBarText: String = ""

    init(provider: WeatherProvider) {
        self.provider = provider
    }

    func handle(action: UserAction) -> ApplicationFeedback? {
        switch action {
        case .keyboardCharacterSelect(let character):
            searchBarText.append(character)
        case .keyboardDeleteBackwards:
            if let newText = searchBarText.dropLast() {
                searchBarText = newText
            }
        case .searchButtonPress:
            return forecast(for: searchBarText)
        }
        return nil
    }

    private func forecast(for city: String) -> ApplicationFeedback {
        do {
            let forecast = try provider.forecast(for: city)
            return .success(city: city, forecast: forecast)
        } catch {
            return .failure(city: city)
        }
    }
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Weather application provider.
Handle user actions to fill search bar results and use WeatherProvider to check forecast.
### Response:
```swift
protocol WeatherProvider {
    func forecast(for city: String) throws -> String
}

enum UserAction {
    case keyboardCharacterSelect(Character)
    case keyboardDeleteBackwards
    case searchButtonPress
}

enum ApplicationFeedback: Equatable {
    case success(city: String, forecast: String)
    case failure(city: String)
}

protocol WeatherApplicationDependencies {
    init(provider: WeatherProvider)
}

protocol WeatherApplicationInteractions {
    func handle(action: UserAction) -> ApplicationFeedback?
}

typealias WeatherApplicationProtocol = WeatherApplicationDependencies & WeatherApplicationInteractions

class WeatherApplication: WeatherApplicationProtocol {
    private let provider: WeatherProvider
    private var searchBarText: String = ""

    init(provider: WeatherProvider) {
        self.provider = provider
    }

    func handle(action: UserAction) -> ApplicationFeedback? {
        switch action {
        case .keyboardCharacterSelect(let character):
            searchBarText.append(character)
        case .keyboardDeleteBackwards:
            if let newText = searchBarText.dropLast() {
                searchBarText = newText
            }
        case .searchButtonPress:
            return forecast(for: searchBarText)
        }
        return nil
    }

    private func forecast(for city: String) -> ApplicationFeedback {
        do {
            let forecast = try provider.forecast(for: city)
            return .success(city: city, forecast: forecast)
        } catch {
            return .failure(city: city)
        }
    }
}
```

protocol WeatherProvider {
    func forecast(for city: String) throws -> String
}

enum UserAction {
    case keyboardCharacterSelect(Character)
    case keyboardDeleteBackwards
    case searchButtonPress
}

enum ApplicationFeedback: Equatable {
    case success(city: String, forecast: String)
    case failure(city: String)
}

protocol WeatherApplicationDependencies {
    init(provider: WeatherProvider)
}

protocol WeatherApplicationInteractions {
    func handle(action: UserAction) -> ApplicationFeedback?
}

typealias WeatherApplicationProtocol = WeatherApplicationDependencies & WeatherApplicationInteractions

class WeatherApplication: WeatherApplicationProtocol {
    private let provider: WeatherProvider
    private var searchBarText: String = ""

    init(provider: WeatherProvider) {
        self.provider = provider
    }

    func handle(action: UserAction) -> ApplicationFeedback? {
        switch action {
        case .keyboardCharacterSelect(let character):
            searchBarText.append(character)
        case .keyboardDeleteBackwards:
            if let newText = searchBarText.dropLast() {
                searchBarText = newText
            }
        case .searchButtonPress:
            return forecast(for: searchBarText)
        }
        return nil
    }

    private func forecast(for city: String) -> ApplicationFeedback {
        do {
            let forecast = try provider.forecast(for: city)
            return .success(city: city, forecast: forecast)
        } catch {
            return .failure(city: city)
        }
    }
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Weather application provider.
Handle user actions to fill search bar results and use WeatherProvider to check forecast.
### Response:
```swift
protocol WeatherProvider {
    func forecast(for city: String) throws -> String
}

enum UserAction {
    case keyboardCharacterSelect(Character)
    case keyboardDeleteBackwards
    case searchButtonPress
}

enum ApplicationFeedback: Equatable {
    case success(city: String, forecast: String)
    case failure(city: String)
}

protocol WeatherApplicationDependencies {
    init(provider: WeatherProvider)
}

protocol WeatherApplicationInteractions {
    func handle(action: UserAction) -> ApplicationFeedback?
}

typealias WeatherApplicationProtocol = WeatherApplicationDependencies & WeatherApplicationInteractions

class WeatherApplication: WeatherApplicationProtocol {
    private let provider: WeatherProvider
    private var searchBarText: String = ""

    init(provider: WeatherProvider) {
        self.provider = provider
    }

    func handle(action: UserAction) -> ApplicationFeedback? {
        switch action {
        case .keyboardCharacterSelect(let character):
            searchBarText.append(character)
        case .keyboardDeleteBackwards:
            if let newText = searchBarText.dropLast() {
                searchBarText = newText
            }
        case .searchButtonPress:
            return forecast(for: searchBarText)
        }
        return nil
    }

    private func forecast(for city: String) -> ApplicationFeedback {
        do {
            let forecast = try provider.forecast(for: city)
            return .success(city: city, forecast: forecast)
        } catch {
            return .failure(city: city)
        }
    }
}
```

protocol WeatherProvider {
    func forecast(for city: String) throws -> String
}

enum UserAction {
    case keyboardCharacterSelect(Character)
    case keyboardDeleteBackwards
    case searchButtonPress
}

enum ApplicationFeedback: Equatable {
    case success(city: String, forecast: String)
    case failure(city: String)
}

protocol WeatherApplicationDependencies {
    init(provider: WeatherProvider)
}

protocol WeatherApplicationInteractions {
    func handle(action: UserAction) -> ApplicationFeedback?
}

typealias WeatherApplicationProtocol = WeatherApplicationDependencies & WeatherApplicationInteractions

class WeatherApplication: WeatherApplicationProtocol {
    private let provider: WeatherProvider
    private var searchBarText: String = ""

    init(provider: WeatherProvider) {
        self.provider = provider
    }

    func handle(action: UserAction) -> ApplicationFeedback? {
        switch action {
        case .keyboardCharacterSelect(let character):
            searchBarText.append(character)
        case .keyboardDeleteBackwards:
            if !searchBarText.isEmpty {
                searchBarText.removeLast()
            }
        case .searchButtonPress:
            return checkForecast()
        }
        return nil
    }

    private func checkForecast() -> ApplicationFeedback? {
        do {
            let forecast = try provider.forecast(for: searchBarText)
            return .success(city: searchBarText, forecast: forecast)
        } catch {
            return .failure(city: searchBarText)
        }
    }
}

<｜begin▁of▁sentence｜>You are an AI programming assistant, utilizing the Deepseek Coder model, developed by Deepseek Company, and you only answer questions related to computer science. For politically sensitive questions, security and privacy issues, and other non-computer science questions, you will refuse to answer
### Instruction:
Write code in Swift programming language. Don't include usage examples or tests.
Weather application provider.
Handle user actions to fill search bar results and use WeatherProvider to check forecast.
### Response:
```swift
protocol WeatherProvider {
    func forecast(for city: String) throws -> String
}

enum UserAction {
    case keyboardCharacterSelect(Character)
    case keyboardDeleteBackwards
    case searchButtonPress
}

enum ApplicationFeedback: Equatable {
    case success(city: String, forecast: String)
    case failure(city: String)
}

protocol WeatherApplicationDependencies {
    init(provider: WeatherProvider)
}

protocol WeatherApplicationInteractions {
    func handle(action: UserAction) -> ApplicationFeedback?
}

typealias WeatherApplicationProtocol = WeatherApplicationDependencies & WeatherApplicationInteractions

class WeatherApplication: WeatherApplicationProtocol {
    private let provider: WeatherProvider
    private var searchBarText: String = ""

    init(provider: WeatherProvider) {
        self.provider = provider
    }

    func handle(action: UserAction) -> ApplicationFeedback? {
        switch action {
        case .keyboardCharacterSelect(let character):
            searchBarText.append(character)
        case .keyboardDeleteBackwards:
            if !searchBarText.isEmpty {
                searchBarText.removeLast()
            }
        case .searchButtonPress:
            return checkForecast()
        }
        return nil
    }

    private func checkForecast() -> ApplicationFeedback? {
        do {
            let forecast = try provider.forecast(for: searchBarText)
            return .success(city: searchBarText, forecast: forecast)
        } catch {
            return .failure(city: searchBarText)
        }
    }
}
```