About the Swift Online Compiler
Swift is Apple’s modern language for iOS, macOS, and server-side software. Use this compiler to explore optionals, collections, functions, structures, protocols, and other core Swift features.
Top-level Swift statements can be used for concise executable examples. Print values to examine optional handling, arrays, dictionaries, structures, enums, closures, and protocol-oriented code. UIKit, SwiftUI, and other graphical Apple frameworks are outside this command-line runtime.
Frequently Asked Questions
What is the Swift Online Compiler?
Swift is Apple’s modern language for iOS, macOS, and server-side software. Use this compiler to explore optionals, collections, functions, structures, protocols, and other core Swift features.
How do I run Swift code?
Enter or edit your program in the Code field, select Run, and read the program result in the Output field.
Which source file does this compiler use?
The submitted code is executed as index.swift, using the file format expected for Swift.
Can this compiler accept interactive program input?
This streamlined compiler contains only Code and Output fields. Programs should include their required test values directly in the source code.
Where are compilation errors displayed?
Syntax errors, compiler messages, runtime errors, and normal program output are displayed together in the read-only Output field.