Contents

fatalError(_:file:line:)

Unconditionally prints a given message and stops execution.

Declaration

func fatalError(_ message: @autoclosure () -> String = String(), file: StaticString = #file, line: UInt = #line) -> Never

Parameters

  • message:

    The string to print. The default is an empty string.

  • file:

    The file name to print with message. The default is the file where fatalError(_:file:line:) is called.

  • line:

    The line number to print along with message. The default is the line number where fatalError(_:file:line:) is called.

See Also

Exiting a Program