Trait itertools::adaptors::map::MapSpecialCaseFn

pub trait MapSpecialCaseFn<T> {
    type Out;

    // Required method
    fn call(&mut self, t: T) -> Self::Out;
}

Required Associated Types

type Out

Required Methods

fn call(&mut self, t: T) -> Self::Out

Implementors

impl<F, T, U, E> MapSpecialCaseFn<Result<T, E>> for MapSpecialCaseFnOk<F>

where F: FnMut(T) -> U,

type Out = Result<U, E>

impl<T: Into<U>, U> MapSpecialCaseFn<T> for MapSpecialCaseFnInto<U>

type Out = U

impl<V, K, F: FnMut(&V) -> K> MapSpecialCaseFn<V> for GroupingMapFn<F>

type Out = (K, V)