Struct futures_util::future::Join4

#[must_use = "futures do nothing unless you `.await` or poll them"]pub struct Join4<Fut1: Future, Fut2: Future, Fut3: Future, Fut4: Future> { /* fields omitted */ }

Future for the join4 function.

Trait Implementations

impl<Fut1, Fut2, Fut3, Fut4> Debug for Join4<Fut1, Fut2, Fut3, Fut4> where
    Fut1: Future + Debug,
    Fut1::Output: Debug,
    Fut2: Future + Debug,
    Fut2::Output: Debug,
    Fut3: Future + Debug,
    Fut3::Output: Debug,
    Fut4: Future + Debug,
    Fut4::Output: Debug, 

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

Formats the value using the given formatter.

impl<Fut1: FusedFuture, Fut2: FusedFuture, Fut3: FusedFuture, Fut4: FusedFuture> FusedFuture for Join4<Fut1, Fut2, Fut3, Fut4>

fn is_terminated(&self) -> bool

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

impl<Fut1: Future, Fut2: Future, Fut3: Future, Fut4: Future> Future for Join4<Fut1, Fut2, Fut3, Fut4>

type Output = (Fut1::Output, Fut2::Output, Fut3::Output, Fut4::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<Fut1: Future, Fut2: Future, Fut3: Future, Fut4: Future> PinnedDrop for Join4<Fut1, Fut2, Fut3, Fut4>

unsafe fn drop(self: Pin<&mut Self>)

impl<'pin, Fut1: Future, Fut2: Future, Fut3: Future, Fut4: Future> Unpin for Join4<Fut1, Fut2, Fut3, Fut4> where
    __Join4<'pin, Fut1, Fut2, Fut3, Fut4>: Unpin, 

impl<Fut1: Future, Fut2: Future, Fut3: Future, Fut4: Future> UnsafeUnpin for Join4<Fut1, Fut2, Fut3, Fut4>