[−][src]Trait entrance::Options

pub trait Options: Sized {
    fn parse(option: OptionItem) -> Result<Self>;
    fn is_informative(&self) -> bool;
    fn trigger_informative<Args: Arguments>(
        &self, 
        command: &Command<Self, Args>
    );
    fn spec() -> &'static [Opt];
}

A trait for parsing and containing options.

Example

use entrance::{Command, Options};

#[derive(Options)]
enum Opts {
    #[entrance(description = "Print help message")]
    #[entrance(short = 'h')]
    #[entrance(informative(entrance::help))]
    Help,

    #[entrance(description = "Print version infomation")]
    #[entrance(informative(entrance::version))]
    Version,
}