Struct futures_util::future::Map

#[must_use = "futures/streams/sinks do nothing unless you `.await` or poll them"]
pub struct Map<Fut, F> { /* fields omitted */ }

Future for the map method.

Trait Implementations

impl<Fut, F> Debug for Map<Fut, F> where
    Map<Fut, F>: Debug, 

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

Formats the value using the given formatter.

impl<Fut, F> FusedFuture for Map<Fut, F> where
    Map<Fut, F>: FusedFuture, 

fn is_terminated(&self) -> bool

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

impl<Fut, F> Future for Map<Fut, F> where
    Map<Fut, F>: Future, 

type Output = <Map<Fut, F> as Future>::Output

The type of value produced on completion.

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.

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