Trait futures_util::fns::FnOnce1

pub trait FnOnce1<A> {
    type Output;

    // Required method
    fn call_once(self, arg: A) -> Self::Output;
}

Required Associated Types

type Output

Required Methods

fn call_once(self, arg: A) -> Self::Output

Implementors

impl<'a, F, T, E> FnOnce1<&'a Result<T, E>> for InspectErrFn<F>

where F: FnOnce1<&'a E, Output = ()>,

type Output = ()

impl<'a, F, T, E> FnOnce1<&'a Result<T, E>> for InspectOkFn<F>

where F: FnOnce1<&'a T, Output = ()>,

type Output = ()

impl<A, E> FnOnce1<A> for OkFn<E>

type Output = Result<A, E>

impl<A, T> FnOnce1<A> for IntoFn<T>

where A: Into<T>,

type Output = T

impl<F, A> FnOnce1<A> for InspectFn<F>

where F: for<'a> FnOnce1<&'a A, Output = ()>,

type Output = A

impl<F, G, A> FnOnce1<A> for ChainFn<F, G>

where F: FnOnce1<A>, G: FnOnce1<F::Output>,

type Output = <G as FnOnce1<<F as FnOnce1<A>>::Output>>::Output

impl<F, T, E> FnOnce1<Result<T, E>> for MapErrFn<F>

where F: FnOnce1<E>,

type Output = Result<T, <F as FnOnce1<E>>::Output>

impl<F, T, E> FnOnce1<Result<T, E>> for MapOkFn<F>

where F: FnOnce1<T>,

type Output = Result<<F as FnOnce1<T>>::Output, E>

impl<F, T, E> FnOnce1<Result<T, E>> for UnwrapOrElseFn<F>

where F: FnOnce1<E, Output = T>,

type Output = T

impl<T> FnOnce1<Result<T, T>> for MergeResultFn

type Output = T

impl<T, A, R> FnOnce1<A> for T

where T: FnOnce(A) -> R,

type Output = R

impl<T, Item> FnOnce1<&Item> for NextIfEqFn<'_, T, Item>

where T: ?Sized, Item: PartialEq<T>,

type Output = bool