ValidationError
An error type that is presented to the user as an error with parsing their command-line input.
struct ValidationErrorAn error type that is presented to the user as an error with parsing their command-line input.
struct ValidationErrorimport ArgumentParserStraightforward, type-safe argument parsing for Swift.
Provide helpful feedback to users when things go wrong.
struct CleanExitAn error type that represents a clean (i.e. non-error state) exit of the utility.
struct ExitCodeAn error type that only includes an exit code.
protocol CustomStringConvertibleA type with a customized textual representation.
protocol Error : SendableA type representing an error value that can be thrown.
protocol SendableA type whose values can safely be passed across concurrency domains by copying.
init(_ message: String) Creates a new validation error with the given message.
var description: String { get }var message: String { get }The error message represented by this instance, this string is presented to the user when a ValidationError is thrown from either; run(), validate() or a transform closure.
var localizedDescription: String { get }Retrieve the localized description for this error.