Struct futures::future::Inspect [−][src]
#[must_use = "futures do nothing unless polled"]pub struct Inspect<Fut, F> where
Fut: Future, { /* fields omitted */ }
Do something with the item of a future, passing it on.
This is created by the super::FutureExt::inspect method.
Trait Implementations
impl<Fut, F> Unpin for Inspect<Fut, F> where
Fut: Unpin + Future, [src]
impl<Fut, F> Unpin for Inspect<Fut, F> where
Fut: Unpin + Future, impl<Fut, F> Debug for Inspect<Fut, F> where
F: Debug,
Fut: Debug + Future, [src]
impl<Fut, F> Debug for Inspect<Fut, F> where
F: Debug,
Fut: Debug + Future, fn fmt(&self, f: &mut Formatter) -> Result<(), Error>[src]
fn fmt(&self, f: &mut Formatter) -> Result<(), Error>Formats the value using the given formatter. Read more
impl<Fut, F> Future for Inspect<Fut, F> where
F: FnOnce(&<Fut as Future>::Output),
Fut: Future, [src]
impl<Fut, F> Future for Inspect<Fut, F> where
F: FnOnce(&<Fut as Future>::Output),
Fut: Future, type Output = <Fut as Future>::Output
🔬 This is a nightly-only experimental API. (futures_api)
futures in libcore are unstable
The result of the Future.
fn poll(
self: PinMut<Inspect<Fut, F>>,
cx: &mut Context
) -> Poll<<Fut as Future>::Output>[src]
fn poll(
self: PinMut<Inspect<Fut, F>>,
cx: &mut Context
) -> Poll<<Fut as Future>::Output>🔬 This is a nightly-only experimental API. (futures_api)
futures in libcore are unstable
Attempt to resolve the future to a final value, registering the current task for wakeup if the value is not yet available. Read more