Struct futures_util::future::Then

#[must_use = "futures/streams/sinks do nothing unless you `.await` or poll them"]
pub struct Then<Fut1, Fut2, F> { /* fields omitted */ }

Future for the then method.

Trait Implementations

impl<Fut1, Fut2, F> Debug for Then<Fut1, Fut2, F> where
    Flatten<Map<Fut1, F>, Fut2>: Debug, 

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

Formats the value using the given formatter.

impl<Fut1, Fut2, F> FusedFuture for Then<Fut1, Fut2, F> where
    Flatten<Map<Fut1, F>, Fut2>: FusedFuture, 

fn is_terminated(&self) -> bool

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

impl<Fut1, Fut2, F> Future for Then<Fut1, Fut2, F> where
    Flatten<Map<Fut1, F>, Fut2>: Future, 

type Output = <Flatten<Map<Fut1, F>, Fut2> 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, Fut1, Fut2, F> Unpin for Then<Fut1, Fut2, F> where
    __Origin<'__pin, Fut1, Fut2, F>: Unpin,