Struct futures_util::stream::Chain

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pub struct Chain<St1, St2> { /* private fields */ }
Expand description

Stream for the chain method.

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impl<St1: Debug, St2: Debug> Debug for Chain<St1, St2>

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

Formats the value using the given formatter. Read more
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impl<St1, St2> FusedStream for Chain<St1, St2>where St1: Stream, St2: FusedStream<Item = St1::Item>,

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fn is_terminated(&self) -> bool

Returns true if the stream should no longer be polled.
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impl<St1, St2> Stream for Chain<St1, St2>where St1: Stream, St2: Stream<Item = St1::Item>,

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type Item = <St1 as Stream>::Item

Values yielded by the stream.
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fn poll_next( self: Pin<&mut Self>, cx: &mut Context<'_> ) -> Poll<Option<Self::Item>>

Attempt to pull out the next value of this stream, registering the current task for wakeup if the value is not yet available, and returning None if the stream is exhausted. Read more
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fn size_hint(&self) -> (usize, Option<usize>)

Returns the bounds on the remaining length of the stream. Read more
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impl<'__pin, St1, St2> Unpin for Chain<St1, St2>where __Origin<'__pin, St1, St2>: Unpin,

Auto Trait Implementations§

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impl<St1, St2> RefUnwindSafe for Chain<St1, St2>where St1: RefUnwindSafe, St2: RefUnwindSafe,

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impl<St1, St2> Send for Chain<St1, St2>where St1: Send, St2: Send,

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impl<St1, St2> Sync for Chain<St1, St2>where St1: Sync, St2: Sync,

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impl<St1, St2> UnwindSafe for Chain<St1, St2>where St1: UnwindSafe, St2: UnwindSafe,

Blanket Implementations§

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impl<T> Any for Twhere T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for Twhere T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for Twhere T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into<U> for Twhere U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T, U> TryFrom<U> for Twhere U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for Twhere U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.
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impl<S, T, E> TryStream for Swhere S: Stream<Item = Result<T, E>> + ?Sized,

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type Ok = T

The type of successful values yielded by this future
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type Error = E

The type of failures yielded by this future
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fn try_poll_next( self: Pin<&mut S>, cx: &mut Context<'_> ) -> Poll<Option<Result<<S as TryStream>::Ok, <S as TryStream>::Error>>>

Poll this TryStream as if it were a Stream. Read more