[][src]Struct futures_core::future::FutureObj

pub struct FutureObj<'a, T>(_);

A custom trait object for polling futures, roughly akin to Box<dyn Future<Output = T> + Send + 'a>.

This custom trait object was introduced for two reasons:

Methods

impl<'a, T> FutureObj<'a, T>
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Create a FutureObj from a custom trait object representation.

Trait Implementations

impl<'a, T> From<FutureObj<'a, T>> for LocalFutureObj<'a, T>
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Performs the conversion.

impl<'a, F: Future<Output = ()> + Send + 'a> From<Pin<Box<F>>> for FutureObj<'a, ()>
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Performs the conversion.

impl<'a, F: Future<Output = ()> + Send + 'a> From<Box<F>> for FutureObj<'a, ()>
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Performs the conversion.

impl<'a, T> Send for FutureObj<'a, T>
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impl<'a, T> Debug for FutureObj<'a, T>
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Formats the value using the given formatter. Read more

impl<'a, T> Unpin for FutureObj<'a, T>
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impl<'a, T> Future for FutureObj<'a, T>
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🔬 This is a nightly-only experimental API. (futures_api)

futures in libcore are unstable

The result of the Future.

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

futures in libcore are unstable

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

Auto Trait Implementations

impl<'a, T> !Sync for FutureObj<'a, T>

Blanket Implementations

impl<F, T, E> TryFuture for F where
    F: Future<Output = Result<T, E>>, 
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The type of successful values yielded by this future

The type of failures yielded by this future

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

impl<T, U> Into for T where
    U: From<T>, 
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Performs the conversion.

impl<T> From for T
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Performs the conversion.

impl<T, U> TryFrom for T where
    T: From<U>, 
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🔬 This is a nightly-only experimental API. (try_from)

The type returned in the event of a conversion error.

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

Performs the conversion.

impl<T> Borrow for T where
    T: ?Sized
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Immutably borrows from an owned value. Read more

impl<T> Any for T where
    T: 'static + ?Sized
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🔬 This is a nightly-only experimental API. (get_type_id)

this method will likely be replaced by an associated static

Gets the TypeId of self. Read more

impl<T> BorrowMut for T where
    T: ?Sized
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Mutably borrows from an owned value. Read more

impl<T, U> TryInto for T where
    U: TryFrom<T>, 
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🔬 This is a nightly-only experimental API. (try_from)

The type returned in the event of a conversion error.

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

Performs the conversion.