Trait resiter::and_then::AndThen

pub trait AndThen<O, E>: Sized {
    fn and_then_ok<F, O2>(self, _: F) -> AndThenOk<Self, F>
    where
        F: FnMut(O) -> Result<O2, E>;
    fn and_then_err<F, E2>(self, _: F) -> AndThenErr<Self, F>
    where
        F: FnMut(E) -> Result<O, E2>;
}

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

Required methods

Important traits for AndThenOk<I, F>

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

fn and_then_ok<F, O2>(self, _: F) -> AndThenOk<Self, F> where
    F: FnMut(O) -> Result<O2, E>, 

Important traits for AndThenErr<I, F>

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

fn and_then_err<F, E2>(self, _: F) -> AndThenErr<Self, F> where
    F: FnMut(E) -> Result<O, E2>, 

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Implementors

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

Important traits for AndThenOk<I, F>

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

fn and_then_ok<F, O2>(self, f: F) -> AndThenOk<Self, F> where
    F: FnMut(O) -> Result<O2, E>, 

Important traits for AndThenErr<I, F>

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

fn and_then_err<F, E2>(self, f: F) -> AndThenErr<Self, F> where
    F: FnMut(E) -> Result<O, E2>, 

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