AllFlags is a convenience method to get all flags for the provided argument type.

IsHelp checks if err represents the help flag being passed.

IsUnknownFlag checks if err indicates an unknown flag.

NewArgumentsParser creates a new parser fo parse a set of arguments.

NewFlag creates a new flag based on an option from the flags package.

NewPositional creates a new Positional from a flag argument.

Config represents configuration for the parser for a command.

Parse represents a parser for arguments.