An error type that represents a clean (i.e. non-error state) exit of the utility.
struct CleanExitThrowing a CleanExit instance from a validate or run method, or passing it to exit(with:), exits the program with exit code 0.
var description: StringA textual representation of this instance.
var halfWidthCornerQuoted: Stringvar localizedDescription: StringRetrieve the localized description for this error.
static func helpRequest(ParsableCommand) -> CleanExitTreat this error as a help request and display the full help message.
static func helpRequest(ParsableCommand.Type?) -> CleanExitTreat this error as a help request and display the full help message.
static func message(String) -> CleanExitTreat this error as a clean exit with the given message.