Trait CollectionExtract 

pub trait CollectionExtract<S>: Send + Sync {
    type Item;

    // Required method
    fn extract<'s>(&self, s: &'s S) -> &'s [Self::Item];
}

Required Associated Types

type Item

Required Methods

fn extract<'s>(&self, s: &'s S) -> &'s [Self::Item]

Implementors

impl<S, A, F> CollectionExtract<S> for VecExtract<F>

where F: for<'a> Fn(&'a S) -> &'a Vec<A> + Send + Sync,

type Item = A

impl<S, A, F> CollectionExtract<S> for F

where F: for<'a> Fn(&'a S) -> &'a [A] + Send + Sync,

type Item = A

impl<S, E> CollectionExtract<S> for TrackedExtract<E>

where E: CollectionExtract<S>,

type Item = <E as CollectionExtract<S>>::Item