Swift Online Compiler

Compile and run Swift programs with our online Swift playground. Perfect for iOS development, macOS apps, and learning Swift's modern programming features.

swift Online Compiler

import Foundation

print("Hello, World!")
print("Welcome to Swift Online Compiler")

// Variables and constants
let language = "Swift"
var version = 5.9
let isTypeSafe = true

print("Language: \(language)")
print("Version: \(version)")
print("Type Safe: \(isTypeSafe)")

// Arrays and collections
let numbers = [1, 2, 3, 4, 5]
print("Numbers: \(numbers)")

let squares = numbers.map { $0 * $0 }
print("Squares: \(squares)")

let evenNumbers = numbers.filter { $0 % 2 == 0 }
print("Even numbers: \(evenNumbers)")

// Optionals
var optionalName: String? = "Developer"
if let name = optionalName {
    print("Hello, \(name)!")
} else {
    print("Hello, anonymous!")
}

// Structures
struct Person {
    let name: String
    var age: Int
    
    func introduce() {
        print("Hi, I'm \(name) and I'm \(age) years old.")
    }
    
    mutating func haveBirthday() {
        age += 1
        print("Happy birthday! Now I'm \(age) years old.")
    }
}

var person = Person(name: "Developer", age: 25)
person.introduce()
person.haveBirthday()

// Enums with associated values
enum Result {
    case success(String)
    case failure(String)
}

func processData() -> Result {
    let success = true
    if success {
        return .success("Data processed successfully!")
    } else {
        return .failure("Failed to process data")
    }
}

let result = processData()
switch result {
case .success(let message):
    print("Success: \(message)")
case .failure(let error):
    print("Error: \(error)")
}

// Higher-order functions
let words = ["Swift", "is", "awesome", "for", "iOS", "development"]
let longWords = words.filter { $0.count > 3 }
print("Long words: \(longWords)")

// String interpolation and manipulation
let greeting = "Hello"
let target = "Swift Developer"
let fullGreeting = "\(greeting), \(target)!"
print(fullGreeting)

Output

Click "Run" to execute your code and see the output here...