ArgumentParser 0.0.2

Additions

• The EX_USAGE exit code is now used for validation errors.
• The parser provides near-miss suggestions when a user provides an unknown option.
• ArgumentParser now builds on Windows.
• You can throw an ExitCode error to exit without printing any output.
• You can now create optional Boolean flags with inversions that default to nil:

  @Flag(inversion: .prefixedNo) var takeMyShot: Bool?

• You can now specify exclusivity for case-iterable flags and for Boolean flags with inversions.

Fixes

• Cleaned up a wide variety of documentation typos and shortcomings.
• Improved different kinds of error messages:
  • Duplicate exclusive flags now show the duplicated arguments.
  • Subcommand validation errors print the correct usage string.
• In the help screen:
  • Removed the extra space before the default value for arguments without descriptions.
  • Removed the default value note when the default value is an empty string.
  • Default values are now shown for Boolean options.
  • Case-iterable flags are now grouped correctly.
  • Case-iterable flags with default values now show the default value.
  • Arguments from parent commands that are included via @OptionGroup in subcommands are no longer duplicated.
• Case-iterable flags created with the .chooseFirst exclusivity parameter now correctly ignore additional flags.