Struct futures_util::fns::MapErrFn

pub struct MapErrFn<F>(F);

Tuple Fields

0: F

Trait Implementations

impl<F: Clone> Clone for MapErrFn<F>

fn clone(&self) -> MapErrFn<F>

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl<F: Debug> Debug for MapErrFn<F>

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl<F: Default> Default for MapErrFn<F>

fn default() -> MapErrFn<F>

Returns the “default value” for a type.

impl<F, T, E> Fn1<Result<T, E>> for MapErrFn<F>

where F: Fn1<E>,

fn call(&self, arg: Result<T, E>) -> Self::Output

impl<F, T, E> FnMut1<Result<T, E>> for MapErrFn<F>

where F: FnMut1<E>,

fn call_mut(&mut self, arg: Result<T, E>) -> Self::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>

fn call_once(self, arg: Result<T, E>) -> Self::Output

impl<F: Copy> Copy for MapErrFn<F>