Struct `MapErr`

struct MapErr<Fut, F> { ... }

Future for the map_err method.

Implementations

`impl<'__pin, Fut, F> Unpin for MapErr<Fut, F>`

`impl<F> IntoFuture for MapErr<Fut, F>`

fn into_future(self: Self) -> <F as IntoFuture>::IntoFuture

`impl<F, T, E> TryFuture for MapErr<Fut, F>`

fn try_poll(self: Pin<&mut F>, cx: &mut Context<'_>) -> Poll<<F as Future>::Output>

`impl<Fut> TryFutureExt for MapErr<Fut, F>`

`impl<Fut, F> Debug for MapErr<Fut, F>`

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

`impl<Fut, F> Freeze for MapErr<Fut, F>`

`impl<Fut, F> FusedFuture for MapErr<Fut, F>`

fn is_terminated(self: &Self) -> bool

`impl<Fut, F> Future for MapErr<Fut, F>`

fn poll(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<<Self as >::Output>

`impl<Fut, F> RefUnwindSafe for MapErr<Fut, F>`

`impl<Fut, F> Send for MapErr<Fut, F>`

`impl<Fut, F> Sync for MapErr<Fut, F>`

`impl<Fut, F> UnsafeUnpin for MapErr<Fut, F>`

`impl<Fut, F> UnwindSafe for MapErr<Fut, F>`

`impl<T> Any for MapErr<Fut, F>`

fn type_id(self: &Self) -> TypeId

`impl<T> Borrow for MapErr<Fut, F>`

fn borrow(self: &Self) -> &T

`impl<T> BorrowMut for MapErr<Fut, F>`

fn borrow_mut(self: &mut Self) -> &mut T

`impl<T> From for MapErr<Fut, F>`

fn from(t: T) -> T: Returns the argument unchanged.

`impl<T> FutureExt for MapErr<Fut, F>`

`impl<T, U> Into for MapErr<Fut, F>`

fn into(self: Self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of [From]<T> for U chooses to do.

`impl<T, U> TryFrom for MapErr<Fut, F>`

fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

`impl<T, U> TryInto for MapErr<Fut, F>`

fn try_into(self: Self) -> Result<U, <U as TryFrom<T>>::Error>