Struct futures_util::future::MapInto

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pub struct MapInto<Fut, T> { /* private fields */ }
Expand description

Future for the map_into combinator.

Trait Implementations§

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impl<Fut, T> Debug for MapInto<Fut, T>where Map<Fut, IntoFn<T>>: Debug,

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

Formats the value using the given formatter. Read more
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impl<Fut, T> FusedFuture for MapInto<Fut, T>where Map<Fut, IntoFn<T>>: FusedFuture,

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fn is_terminated(&self) -> bool

Returns true if the underlying future should no longer be polled.
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impl<Fut, T> Future for MapInto<Fut, T>where Map<Fut, IntoFn<T>>: Future,

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type Output = <Map<Fut, IntoFn<T>> as Future>::Output

The type of value produced on completion.
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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. Read more
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impl<'__pin, Fut, T> Unpin for MapInto<Fut, T>where __Origin<'__pin, Fut, T>: Unpin,

Auto Trait Implementations§

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impl<Fut, T> RefUnwindSafe for MapInto<Fut, T>where Fut: RefUnwindSafe,

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impl<Fut, T> Send for MapInto<Fut, T>where Fut: Send,

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impl<Fut, T> Sync for MapInto<Fut, T>where Fut: Sync,

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impl<Fut, T> UnwindSafe for MapInto<Fut, T>where Fut: UnwindSafe,

Blanket Implementations§

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impl<T> Any for Twhere T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for Twhere T: ?Sized,

const: unstable · source§

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for Twhere T: ?Sized,

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

Mutably borrows from an owned value. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into<U> for Twhere U: From<T>,

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fn into(self) -> U

Calls U::from(self).

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

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impl<F> IntoFuture for Fwhere F: Future,

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type Output = <F as Future>::Output

The output that the future will produce on completion.
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type IntoFuture = F

Which kind of future are we turning this into?
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fn into_future(self) -> <F as IntoFuture>::IntoFuture

Creates a future from a value. Read more
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impl<T, U> TryFrom<U> for Twhere U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<F, T, E> TryFuture for Fwhere F: Future<Output = Result<T, E>> + ?Sized,

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type Ok = T

The type of successful values yielded by this future
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type Error = E

The type of failures yielded by this future
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fn try_poll( self: Pin<&mut F>, cx: &mut Context<'_> ) -> Poll<<F as Future>::Output>

Poll this TryFuture as if it were a Future. Read more
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impl<T, U> TryInto<U> for Twhere U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
const: unstable · source§

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

Performs the conversion.