pub trait PackExt: Pack {
    // Provided method
    fn filter(&mut self, f: impl Fn(&str) -> bool + Send + Sync) -> impl Pack
       where Self: Sized { ... }
}Expand description
The pack trait extension.
pub trait PackExt: Pack {
    // Provided method
    fn filter(&mut self, f: impl Fn(&str) -> bool + Send + Sync) -> impl Pack
       where Self: Sized { ... }
}The pack trait extension.