Enum futures::prelude::Async [] [src]

pub enum Async<T> {
    Ready(T),
    Pending,
}

Indicates whether a value is available, or if the current task has been scheduled for later wake-up instead.

Variants

Represents that a value is immediately ready.

Represents that a value is not ready yet.

When a function returns Pending, the function must also ensure that the current task is scheduled to be awoken when progress can be made.

Methods

impl<T> Async<T>
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Change the success value of this Async with the closure provided

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Returns whether this is Async::Ready

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Returns whether this is Async::Pending

Trait Implementations

impl<T> From<T> for Async<T>
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Performs the conversion.

impl<T> PartialEq<Async<T>> for Async<T> where
    T: PartialEq<T>, 
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This method tests for self and other values to be equal, and is used by ==. Read more

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This method tests for !=.

impl<T> Copy for Async<T> where
    T: Copy
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impl<T> Debug for Async<T> where
    T: Debug
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Formats the value using the given formatter. Read more

impl<T> Clone for Async<T> where
    T: Clone
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Returns a copy of the value. Read more

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Performs copy-assignment from source. Read more

Auto Trait Implementations

impl<T> Send for Async<T> where
    T: Send

impl<T> Sync for Async<T> where
    T: Sync