Trait resiter::map::Map

pub trait Map<O, E>: Sized {
    fn map_ok<F, O2>(self, _: F) -> MapOk<Self, F>
    where
        F: FnMut(O) -> O2;
    fn map_err<F, E2>(self, _: F) -> MapErr<Self, F>
    where
        F: FnMut(E) -> E2;
}

Extension trait for Iterator<Item = Result<O, E>> to selectively transform Oks and Errors.

Required methods

Important traits for MapOk<I, F>

impl<I, O, E, F, O2> Iterator for MapOk<I, F> where
    I: Iterator<Item = Result<O, E>>,
    F: FnMut(O) -> O2,  type Item = Result<O2, E>;

fn map_ok<F, O2>(self, _: F) -> MapOk<Self, F> where
    F: FnMut(O) -> O2, 

Important traits for MapErr<I, F>

impl<I, O, E, F, E2> Iterator for MapErr<I, F> where
    I: Iterator<Item = Result<O, E>>,
    F: FnMut(E) -> E2,  type Item = Result<O, E2>;

fn map_err<F, E2>(self, _: F) -> MapErr<Self, F> where
    F: FnMut(E) -> E2, 

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Implementors

impl<I, O, E> Map<O, E> for I where
    I: Iterator<Item = Result<O, E>> + Sized, 

Important traits for MapOk<I, F>

impl<I, O, E, F, O2> Iterator for MapOk<I, F> where
    I: Iterator<Item = Result<O, E>>,
    F: FnMut(O) -> O2,  type Item = Result<O2, E>;

fn map_ok<F, O2>(self, f: F) -> MapOk<Self, F> where
    F: FnMut(O) -> O2, 

Important traits for MapErr<I, F>

impl<I, O, E, F, E2> Iterator for MapErr<I, F> where
    I: Iterator<Item = Result<O, E>>,
    F: FnMut(E) -> E2,  type Item = Result<O, E2>;

fn map_err<F, E2>(self, f: F) -> MapErr<Self, F> where
    F: FnMut(E) -> E2, 

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