System

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No import is needed.

Read the usage guide for examples and common tasks. This reference lists the public declarations for this part of the library. See Reading API signatures for parameter and result notation.

System

Process basics available without an import: stopping with panic and reading command-line arguments. import system; adds console I/O and the other process services.

public static class System

panic

Stops execution and reports message.

public static extern fun panic(borrow message: string): void

args

Command-line arguments, excluding the executable path. Empty strings and embedded newlines are preserved. fun main(args: string[]) receives the same array.

public static get args(): string[]