pub struct StreamWithId;Expand description
Yield stream’s items annotated with stream Id.
Enables Task implementation on any type that implements Stream.
The stream will be polled for items until it is exhausted.
Selector will yield all items, attaching stream’s task Id to each.
After that, the Selector will silently drop the stream.
let (tx, rx) = mpsc::unbounded::<i32>();
let mut selector = Selector::<_, StreamWithId>::default();
let id = selector.push(rx).id().clone();
tx.unbounded_send(1).unwrap();
let item: (Id<_>, i32) = selector.next().await.unwrap();
assert_eq!(item.0, id);
assert_eq!(item.1, 1);
drop(tx);
assert!(selector.next().await.is_none());
assert!(selector.is_empty());Trait Implementations§
Source§impl Clone for StreamWithId
impl Clone for StreamWithId
Source§fn clone(&self) -> StreamWithId
fn clone(&self) -> StreamWithId
Returns a duplicate of the value. Read more
1.0.0 (const: unstable) · Source§fn clone_from(&mut self, source: &Self)
fn clone_from(&mut self, source: &Self)
Performs copy-assignment from
source. Read moreimpl Copy for StreamWithId
Source§impl Debug for StreamWithId
impl Debug for StreamWithId
Source§impl Default for StreamWithId
impl Default for StreamWithId
Source§fn default() -> StreamWithId
fn default() -> StreamWithId
Returns the “default value” for a type. Read more
Auto Trait Implementations§
impl Freeze for StreamWithId
impl RefUnwindSafe for StreamWithId
impl Send for StreamWithId
impl Sync for StreamWithId
impl Unpin for StreamWithId
impl UnsafeUnpin for StreamWithId
impl UnwindSafe for StreamWithId
Blanket Implementations§
Source§impl<T> BorrowMut<T> for Twhere
T: ?Sized,
impl<T> BorrowMut<T> for Twhere
T: ?Sized,
Source§fn borrow_mut(&mut self) -> &mut T
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more
Source§impl<T> CloneToUninit for Twhere
T: Clone,
impl<T> CloneToUninit for Twhere
T: Clone,
Source§impl<S, T> Task<&mut S> for T
impl<S, T> Task<&mut S> for T
Source§type Cont = <T as Task<S>>::Cont
type Cont = <T as Task<S>>::Cont
Type returned from
Self::poll_progress
when the task produces some value, but has not finished yet.Source§type Break = <T as Task<S>>::Break
type Break = <T as Task<S>>::Break
Type returned from
Self::poll_progress
when the task produces its last value.Source§type Output = <T as Task<S>>::Output
type Output = <T as Task<S>>::Output
Final value type, produced from
Self::Cont/Self::Break
in Self::transform_cont/Self::transform_break.Source§fn poll_progress(
self: Pin<&mut T>,
strategy: &mut &mut S,
cx: &mut Context<'_>,
) -> Poll<ControlFlow<<T as Task<&mut S>>::Break, <T as Task<&mut S>>::Cont>>
fn poll_progress( self: Pin<&mut T>, strategy: &mut &mut S, cx: &mut Context<'_>, ) -> Poll<ControlFlow<<T as Task<&mut S>>::Break, <T as Task<&mut S>>::Cont>>
Polls progress on this task using the given strategy. Read more
Source§fn transform_cont(
task: BorrowedMut<'_, T>,
strategy: &mut &mut S,
value: <T as Task<&mut S>>::Cont,
) -> Option<<T as Task<&mut S>>::Output>
fn transform_cont( task: BorrowedMut<'_, T>, strategy: &mut &mut S, value: <T as Task<&mut S>>::Cont, ) -> Option<<T as Task<&mut S>>::Output>
Transforms
Self::Cont value obtained from Self::poll_progress
into the final value type Self::Output. Read moreSource§fn transform_break(
task: Removed<T>,
strategy: &mut &mut S,
value: <T as Task<&mut S>>::Break,
) -> Option<<T as Task<&mut S>>::Output>
fn transform_break( task: Removed<T>, strategy: &mut &mut S, value: <T as Task<&mut S>>::Break, ) -> Option<<T as Task<&mut S>>::Output>
Transforms
Self::Break value obtained from Self::poll_progress
into the final value type Self::Output. Read moreSource§impl<S, T> Task<Box<S>> for T
impl<S, T> Task<Box<S>> for T
Source§type Cont = <T as Task<S>>::Cont
type Cont = <T as Task<S>>::Cont
Type returned from
Self::poll_progress
when the task produces some value, but has not finished yet.Source§type Break = <T as Task<S>>::Break
type Break = <T as Task<S>>::Break
Type returned from
Self::poll_progress
when the task produces its last value.Source§type Output = <T as Task<S>>::Output
type Output = <T as Task<S>>::Output
Final value type, produced from
Self::Cont/Self::Break
in Self::transform_cont/Self::transform_break.Source§fn poll_progress(
self: Pin<&mut T>,
strategy: &mut Box<S>,
cx: &mut Context<'_>,
) -> Poll<ControlFlow<<T as Task<Box<S>>>::Break, <T as Task<Box<S>>>::Cont>>
fn poll_progress( self: Pin<&mut T>, strategy: &mut Box<S>, cx: &mut Context<'_>, ) -> Poll<ControlFlow<<T as Task<Box<S>>>::Break, <T as Task<Box<S>>>::Cont>>
Polls progress on this task using the given strategy. Read more
Source§fn transform_cont(
task: BorrowedMut<'_, T>,
strategy: &mut Box<S>,
value: <T as Task<Box<S>>>::Cont,
) -> Option<<T as Task<Box<S>>>::Output>
fn transform_cont( task: BorrowedMut<'_, T>, strategy: &mut Box<S>, value: <T as Task<Box<S>>>::Cont, ) -> Option<<T as Task<Box<S>>>::Output>
Transforms
Self::Cont value obtained from Self::poll_progress
into the final value type Self::Output. Read moreSource§fn transform_break(
task: Removed<T>,
strategy: &mut Box<S>,
value: <T as Task<Box<S>>>::Break,
) -> Option<<T as Task<Box<S>>>::Output>
fn transform_break( task: Removed<T>, strategy: &mut Box<S>, value: <T as Task<Box<S>>>::Break, ) -> Option<<T as Task<Box<S>>>::Output>
Transforms
Self::Break value obtained from Self::poll_progress
into the final value type Self::Output. Read moreSource§impl<S> Task<StreamWithId> for Swhere
S: Stream,
impl<S> Task<StreamWithId> for Swhere
S: Stream,
Source§type Cont = <S as Stream>::Item
type Cont = <S as Stream>::Item
Type returned from
Self::poll_progress
when the task produces some value, but has not finished yet.Source§type Break = ()
type Break = ()
Type returned from
Self::poll_progress
when the task produces its last value.Source§type Output = (Id<S>, <S as Stream>::Item)
type Output = (Id<S>, <S as Stream>::Item)
Final value type, produced from
Self::Cont/Self::Break
in Self::transform_cont/Self::transform_break.Source§fn poll_progress(
self: Pin<&mut S>,
_: &mut StreamWithId,
cx: &mut Context<'_>,
) -> Poll<ControlFlow<<S as Task<StreamWithId>>::Break, <S as Task<StreamWithId>>::Cont>>
fn poll_progress( self: Pin<&mut S>, _: &mut StreamWithId, cx: &mut Context<'_>, ) -> Poll<ControlFlow<<S as Task<StreamWithId>>::Break, <S as Task<StreamWithId>>::Cont>>
Polls progress on this task using the given strategy. Read more
Source§fn transform_cont(
task: BorrowedMut<'_, S>,
_: &mut StreamWithId,
value: <S as Task<StreamWithId>>::Cont,
) -> Option<<S as Task<StreamWithId>>::Output>
fn transform_cont( task: BorrowedMut<'_, S>, _: &mut StreamWithId, value: <S as Task<StreamWithId>>::Cont, ) -> Option<<S as Task<StreamWithId>>::Output>
Transforms
Self::Cont value obtained from Self::poll_progress
into the final value type Self::Output. Read moreSource§fn transform_break(
_: Removed<S>,
_: &mut StreamWithId,
_: <S as Task<StreamWithId>>::Break,
) -> Option<<S as Task<StreamWithId>>::Output>
fn transform_break( _: Removed<S>, _: &mut StreamWithId, _: <S as Task<StreamWithId>>::Break, ) -> Option<<S as Task<StreamWithId>>::Output>
Transforms
Self::Break value obtained from Self::poll_progress
into the final value type Self::Output. Read more