Struct futures_util::future::ErrInto

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#[must_use =
  "futures/streams/sinks do nothing unless you `.await` or poll them"]pub struct ErrInto<Fut, E> { /* fields omitted */ }

[−] Expand description

Future for the err_into method.

Trait Implementations

impl<Fut, E> Debug for ErrInto<Fut, E> where
    MapErr<Fut, IntoFn<E>>: Debug, [+]

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

Formats the value using the given formatter.

impl<Fut, E> FusedFuture for ErrInto<Fut, E> where
    MapErr<Fut, IntoFn<E>>: FusedFuture, [+]

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fn is_terminated(&self) -> bool[−]

Returns true if the underlying future should no longer be polled.

impl<Fut, E> Future for ErrInto<Fut, E> where
    MapErr<Fut, IntoFn<E>>: Future, [+]

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type Output = <MapErr<Fut, IntoFn<E>> as Future>::Output

The type of value produced on completion.

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

Attempt to resolve the future to a final value, registering the current task for wakeup if the value is not yet available.

impl<Fut, E> PinnedDrop for ErrInto<Fut, E>[+]

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unsafe fn drop(self: Pin<&mut Self>)

impl<'pin, Fut, E> Unpin for ErrInto<Fut, E> where
    __ErrInto<'pin, Fut, E>: Unpin, 

impl<Fut, E> UnsafeUnpin for ErrInto<Fut, E>