Struct futures_util::future::MapOkOrElse

pub struct MapOkOrElse<Fut, F, G> { /* private fields */ }

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Formats the value using the given formatter. Read more

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

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The type of value produced on completion.

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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Gets the TypeId of self. Read more

Immutably borrows from an owned value. Read more

Mutably borrows from an owned value. Read more

Returns the argument unchanged.

Calls U::from(self).

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

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The output that the future will produce on completion.

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Which kind of future are we turning this into?

Creates a future from a value. Read more

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The type returned in the event of a conversion error.

Performs the conversion.

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The type of successful values yielded by this future

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The type of failures yielded by this future

Poll this TryFuture as if it were a Future. Read more

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The type returned in the event of a conversion error.

Performs the conversion.

Struct futures_util::future::MapOkOrElse

Trait Implementations§

Auto Trait Implementations§

Blanket Implementations§

Struct futures_util::future::MapOkOrElse

Trait Implementations§

impl<Fut, F, G> Debug for MapOkOrElse<Fut, F, G>where Map<IntoFuture<Fut>, ChainFn<MapOkFn<F>, ChainFn<MapErrFn<G>, MergeResultFn>>>: Debug,

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

impl<Fut, F, G> FusedFuture for MapOkOrElse<Fut, F, G>where Map<IntoFuture<Fut>, ChainFn<MapOkFn<F>, ChainFn<MapErrFn<G>, MergeResultFn>>>: FusedFuture,

fn is_terminated(&self) -> bool

impl<Fut, F, G> Future for MapOkOrElse<Fut, F, G>where Map<IntoFuture<Fut>, ChainFn<MapOkFn<F>, ChainFn<MapErrFn<G>, MergeResultFn>>>: Future,

type Output = <Map<IntoFuture<Fut>, ChainFn<MapOkFn<F>, ChainFn<MapErrFn<G>, MergeResultFn>>> as Future>::Output

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

impl<'__pin, Fut, F, G> Unpin for MapOkOrElse<Fut, F, G>where __Origin<'__pin, Fut, F, G>: Unpin,

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impl<Fut, F, G> RefUnwindSafe for MapOkOrElse<Fut, F, G>where F: RefUnwindSafe, Fut: RefUnwindSafe, G: RefUnwindSafe,

impl<Fut, F, G> Send for MapOkOrElse<Fut, F, G>where F: Send, Fut: Send, G: Send,

impl<Fut, F, G> Sync for MapOkOrElse<Fut, F, G>where F: Sync, Fut: Sync, G: Sync,

impl<Fut, F, G> UnwindSafe for MapOkOrElse<Fut, F, G>where F: UnwindSafe, Fut: UnwindSafe, G: UnwindSafe,

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

fn type_id(&self) -> TypeId

impl<T> Borrow<T> for Twhere T: ?Sized,

fn borrow(&self) -> &T

impl<T> BorrowMut<T> for Twhere T: ?Sized,

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

impl<T> From<T> for T

fn from(t: T) -> T

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

fn into(self) -> U

impl<F> IntoFuture for Fwhere F: Future,

type Output = <F as Future>::Output

type IntoFuture = F

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

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

type Error = Infallible

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

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

type Ok = T

type Error = E

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

impl<T, U> TryInto<U> for Twhere U: TryFrom<T>,

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

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

impl<'pin, Fut, F, G> Unpin for MapOkOrElse<Fut, F, G>where Origin<'__pin, Fut, F, G>: Unpin,