Trait resiter::flat_map::FlatMap

pub trait FlatMap<O, E>: Sized {
    fn flat_map_ok<U, F, O2>(self, _: F) -> FlatMapOk<Self, U, F>
    where
        F: FnMut(O) -> U,
        U: IntoIterator<Item = O2>;
    fn flat_map_err<U, F, E2>(self, _: F) -> FlatMapErr<Self, U, F>
    where
        F: FnMut(E) -> U,
        U: IntoIterator<Item = E2>;
}

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

Required methods

Important traits for FlatMapOk<I, U, F>

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

fn flat_map_ok<U, F, O2>(self, _: F) -> FlatMapOk<Self, U, F> where
    F: FnMut(O) -> U,
    U: IntoIterator<Item = O2>, 

Important traits for FlatMapErr<I, U, F>

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

fn flat_map_err<U, F, E2>(self, _: F) -> FlatMapErr<Self, U, F> where
    F: FnMut(E) -> U,
    U: IntoIterator<Item = E2>, 

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Implementors

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

Important traits for FlatMapOk<I, U, F>

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

fn flat_map_ok<U, F, O2>(self, f: F) -> FlatMapOk<Self, U, F> where
    F: FnMut(O) -> U,
    U: IntoIterator<Item = O2>, 

Important traits for FlatMapErr<I, U, F>

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

fn flat_map_err<U, F, E2>(self, f: F) -> FlatMapErr<Self, U, F> where
    F: FnMut(E) -> U,
    U: IntoIterator<Item = E2>, 

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