- Adds check to ensure that `wrapped(to:wrappingIndent:)` doesn't
attempt to retrieve a negative prefix.
- The Usage struct was composed of an array of strings which always
contained exact one string at runtime. This struct has been removed
and replaced with a single usage string.
- Removes HelpGenerator._screenWidthOverride in favor of explicitly
setting the screen width in generateHelp calls.
Support for generating shell completion scripts for `ParsableCommand`
types, with customization points for `ExpressibleByArgument` types and
individual arguments and options. Zsh and Bash are supported in this
initial release.
* Use type inference for flags / options
* Use default value syntax for arg/option arrays
* Allow a default for flag arrays
* Fix some whitespace
* Allow arguments validations to warn instead of fail
* Move nonsense flag warning to argument validation
* Update guides/readme with default literal syntax
* Add built-in support for --version flag
* Test that command-defined --version overrides the built-in.
* Document the `version:` parameter in CommandConfiguration
* Include --version in the generated help.
Rauhul Varma
Nate Cook
Adam Sharp
Miguel Ángel Díaz