Enum futures::Async [] [src]

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

Return type of future, indicating whether a value is ready or not.

Variants

Ready(T)

Represents that a value is immediately ready.

NotReady

Represents that a value is not ready yet, but may be so later.

Methods

impl<T> Async<T>
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fn map<F, U>(self, f: F) -> Async<U> where F: FnOnce(T) -> U

Change the success type of this Async value with the closure provided

fn is_not_ready(&self) -> bool

Returns whether this is Async::NotReady

fn is_ready(&self) -> bool

Returns whether this is Async::Ready

Trait Implementations

impl<T: PartialEq> PartialEq for Async<T>
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fn eq(&self, __arg_0: &Async<T>) -> bool

This method tests for self and other values to be equal, and is used by ==. Read more

fn ne(&self, __arg_0: &Async<T>) -> bool

This method tests for !=.

impl<T: Debug> Debug for Async<T>
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fn fmt(&self, __arg_0: &mut Formatter) -> Result

Formats the value using the given formatter.

impl<T: Clone> Clone for Async<T>
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fn clone(&self) -> Async<T>

Returns a copy of the value. Read more

fn clone_from(&mut self, source: &Self)
1.0.0

Performs copy-assignment from source. Read more

impl<T: Copy> Copy for Async<T>
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impl<T> From<T> for Async<T>
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fn from(t: T) -> Async<T>

Performs the conversion.