Struct af_core::future::MapErr[][src]

pub struct MapErr<F, M> { /* fields omitted */ }

A TryFuture that modifies the original error.

Trait Implementations

impl<T, I, O, F, M> Future for MapErr<F, M> where
    F: Future<Output = Result<T, I>>,
    M: FnOnce(I) -> O, 
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type Output = Result<T, O>

The type of value produced on completion.

impl<'pin, F, M> Unpin for MapErr<F, M> where
    __MapErr<'pin, F, M>: Unpin
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Auto Trait Implementations

impl<F, M> RefUnwindSafe for MapErr<F, M> where
    F: RefUnwindSafe,
    M: RefUnwindSafe

impl<F, M> Send for MapErr<F, M> where
    F: Send,
    M: Send

impl<F, M> Sync for MapErr<F, M> where
    F: Sync,
    M: Sync

impl<F, M> UnwindSafe for MapErr<F, M> where
    F: UnwindSafe,
    M: UnwindSafe

Blanket Implementations

impl<T> Any for T where
    T: 'static + ?Sized
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impl<T> Borrow<T> for T where
    T: ?Sized
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impl<T> BorrowMut<T> for T where
    T: ?Sized
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impl<T> From<T> for T[src]

impl<F> FutureExt for F where
    F: Future + ?Sized
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impl<T, U> Into<U> for T where
    U: From<T>, 
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impl<F> IntoFuture for F where
    F: Future
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type Output = <F as Future>::Output

🔬 This is a nightly-only experimental API. (into_future)

The output that the future will produce on completion.

type Future = F

🔬 This is a nightly-only experimental API. (into_future)

Which kind of future are we turning this into?

impl<T> Same<T> for T

type Output = T

Should always be Self

impl<T, F> Start<T> for F where
    T: Send + 'static,
    F: Future<Output = T> + Send + 'static, 
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impl<T, U> TryFrom<U> for T where
    U: Into<T>, 
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type Error = Infallible

The type returned in the event of a conversion error.

impl<F, T, E> TryFuture for F where
    F: Future<Output = Result<T, E>> + ?Sized

type Ok = T

The type of successful values yielded by this future

type Error = E

The type of failures yielded by this future

impl<T, U> TryInto<U> for T where
    U: TryFrom<T>, 
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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.

impl<V, T> VZip<V> for T where
    V: MultiLane<T>,