simon

Function flag

Source 
pub fn flag(short: &str, long: &str, doc: &str) -> impl Arg<Item = bool>
Examples found in repository?
examples/dimensions.rs (line 18)
12    fn args() -> impl Arg<Item = Self> {
13        let window = args_depend! {
14            opt("", "width", "", ""),
15            opt("", "height", "", ""),
16        }
17        .option_map(|(width, height)| Dimensions::Window { width, height });
18        let fullscreen = flag("", "fullscreen", "").some_if(Dimensions::Fullscreen);
19        window.choice(fullscreen).required()
20    }