Struct TakeWhile
#[must_use = "streams do nothing unless polled"]
pub struct TakeWhile<St: Stream, Fut, F> { /* private fields */ }Stream for the take_while method.
Implementations
impl<St, Fut, F> TakeWhile<St, Fut, F>
where
St: Stream,
F: FnMut(&St::Item) -> Fut,
Fut: Future<Output = bool>,
fn get_ref(&self) -> &StAcquires a reference to the underlying sink or stream that this combinator is pulling from.
fn get_mut(&mut self) -> &mut StAcquires a mutable reference to the underlying sink or stream that this combinator is pulling from.
Note that care must be taken to avoid tampering with the state of the sink or stream which may otherwise confuse this combinator.
fn get_pin_mut(self: Pin<&mut Self>) -> Pin<&mut St>Acquires a pinned mutable reference to the underlying sink or stream that this combinator is pulling from.
Note that care must be taken to avoid tampering with the state of the sink or stream which may otherwise confuse this combinator.
fn into_inner(self) -> StConsumes this combinator, returning the underlying sink or stream.
Note that this may discard intermediate state of this combinator, so care should be taken to avoid losing resources when this is called.
Trait Implementations
impl<'__pin, St: Stream, Fut, F> Unpin for TakeWhile<St, Fut, F>
where
PinnedFieldsOf<__Origin<'__pin, St, Fut, F>>: Unpin,
impl<S, Fut, F, Item> Sink<Item> for TakeWhile<S, Fut, F>
where
S: Stream + Sink<Item>,
type Error = <S as Sink<Item>>::Error;fn poll_ready(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Result<(), Self::Error>>fn start_send(self: Pin<&mut Self>, item: Item) -> Result<(), Self::Error>fn poll_flush(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Result<(), Self::Error>>fn poll_close(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Result<(), Self::Error>>
impl<St, Fut, F> Debug for TakeWhile<St, Fut, F>
where
St: Stream + Debug,
St::Item: Debug,
Fut: Debug,
fn fmt(&self, f: &mut Formatter<'_>) -> Result
impl<St, Fut, F> FusedStream for TakeWhile<St, Fut, F>
where
St: FusedStream,
F: FnMut(&St::Item) -> Fut,
Fut: Future<Output = bool>,
fn is_terminated(&self) -> bool
impl<St, Fut, F> Stream for TakeWhile<St, Fut, F>
where
St: Stream,
F: FnMut(&St::Item) -> Fut,
Fut: Future<Output = bool>,
type Item = <St as Stream>::Item;fn poll_next(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Option<St::Item>>fn size_hint(&self) -> (usize, Option<usize>)
Auto Trait Implementations
impl<St, Fut, F> Freeze for TakeWhile<St, Fut, F>
where
St: Freeze,
F: Freeze,
Option<Fut>: Freeze,
Option<<St as Stream>::Item>: Freeze,
impl<St, Fut, F> RefUnwindSafe for TakeWhile<St, Fut, F>
where
St: RefUnwindSafe,
F: RefUnwindSafe,
Option<Fut>: RefUnwindSafe,
Option<<St as Stream>::Item>: RefUnwindSafe,
impl<St, Fut, F> Send for TakeWhile<St, Fut, F>
where
St: Send,
F: Send,
Option<Fut>: Send,
Option<<St as Stream>::Item>: Send,
impl<St, Fut, F> Sync for TakeWhile<St, Fut, F>
where
St: Sync,
F: Sync,
Option<Fut>: Sync,
Option<<St as Stream>::Item>: Sync,
impl<St, Fut, F> UnsafeUnpin for TakeWhile<St, Fut, F>
where
St: UnsafeUnpin,
F: UnsafeUnpin,
Option<Fut>: UnsafeUnpin,
Option<<St as Stream>::Item>: UnsafeUnpin,
impl<St, Fut, F> UnwindSafe for TakeWhile<St, Fut, F>
where
St: UnwindSafe,
F: UnwindSafe,
Option<Fut>: UnwindSafe,
Option<<St as Stream>::Item>: UnwindSafe,
Blanket Implementations
impl<S> TryStreamExt for TakeWhile<St, Fut, F>
where
S: TryStream + ?Sized,
impl<S, T, E> TryStream for TakeWhile<St, Fut, F>
where
S: Stream<Item = Result<T, E>> + ?Sized,
type Ok = T;type Error = E;fn try_poll_next(self: Pin<&mut S>, cx: &mut Context<'_>) -> Poll<Option<Result<<S as TryStream>::Ok, <S as TryStream>::Error>>>
impl<T> Any for TakeWhile<St, Fut, F>
where
T: 'static + ?Sized,
fn type_id(&self) -> TypeId
impl<T> Borrow<T> for TakeWhile<St, Fut, F>
where
T: ?Sized,
fn borrow(&self) -> &T
impl<T> BorrowMut<T> for TakeWhile<St, Fut, F>
where
T: ?Sized,
fn borrow_mut(&mut self) -> &mut T
impl<T> From<T> for TakeWhile<St, Fut, F>
fn from(t: T) -> TReturns the argument unchanged.
impl<T> StreamExt for TakeWhile<St, Fut, F>
where
T: Stream + ?Sized,
impl<T, Item> SinkExt<Item> for TakeWhile<St, Fut, F>
where
T: Sink<Item> + ?Sized,
impl<T, U> Into<U> for TakeWhile<St, Fut, F>
where
U: From<T>,
fn into(self) -> UCalls
U::from(self).That is, this conversion is whatever the implementation of
[From]<T> for Uchooses to do.
impl<T, U> TryFrom<U> for TakeWhile<St, Fut, F>
where
U: Into<T>,
type Error = never;fn try_from(value: U) -> Result<T, never>
impl<T, U> TryInto<U> for TakeWhile<St, Fut, F>
where
U: TryFrom<T>,
type Error = <U as TryFrom<T>>::Error;fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>