Trait HelpPolicy 

pub trait HelpPolicy<'a, I> {
    // Required method
    fn format(&self, item: &I) -> Option<Cow<'a, str>>;
}

Required Methods

fn format(&self, item: &I) -> Option<Cow<'a, str>>

Dyn Compatibility

This trait is dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety".

Implementors

impl<'a, W: Write> HelpPolicy<'a, AppHelp<'a, W>> for DefaultAppPolicy<'a, AppHelp<'a, W>>

impl<'a> HelpPolicy<'a, Command<'a>> for DefaultPolicy<'a, Command<'a>>