Attribute Macrosยง
- arg
- Declares a command argument.
- command
- Marks a function as a
command. - command_
help - Specify the function that provides a help message for a command.
- command_
usage - Specify the function that provides a usage message for a command.
- option
- Declares a command option.
- subcommand
- Marks a function as a
subcommand.