# Struct futures_util::future::FlattenStream [−] [src]

    #[must_use =
      "futures/streams/sinks do nothing unless you `.await` or poll them"]pub struct FlattenStream<F> where
        F: Future,  { /* fields omitted */ }

Stream for the `flatten_stream` method.

## Trait Implementations

### `impl<F> Debug for FlattenStream<F> where
Flatten<F, <F as Future>::Output>: Debug,
F: Future,` [src]

#### `fn fmt(&self, f: &mut Formatter<'_>) -> Result` [src]

Formats the value using the given formatter. Read more

### `impl<F> FusedStream for FlattenStream<F> where
Flatten<F, <F as Future>::Output>: FusedStream,
F: Future,` [src]

#### `fn is_terminated(&self) -> bool` [src]

Returns `true` if the stream should no longer be polled.

### `impl<F> Stream for FlattenStream<F> where
Flatten<F, <F as Future>::Output>: Stream,
F: Future,` [src]

#### `type Item = <Flatten<F, <F as Future>::Output> as Stream>::Item`

Values yielded by the stream.

#### `fn poll_next(
self: Pin<&mut Self>,
cx: &mut Context<'_>
) -> Poll<Option<Self::Item>>` [src]

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

#### `fn size_hint(&self) -> (usize, Option<usize>)` [src]

Returns the bounds on the remaining length of the stream. Read more

### `impl<'__pin, F> Unpin for FlattenStream<F> where
__Origin<'__pin, F>: Unpin,
F: Future,` [src]

## Auto Trait Implementations

### `impl<F> RefUnwindSafe for FlattenStream<F> where
F: RefUnwindSafe,
<F as Future>::Output: RefUnwindSafe,`

### `impl<F> Send for FlattenStream<F> where
F: Send,
<F as Future>::Output: Send,`

### `impl<F> Sync for FlattenStream<F> where
F: Sync,
<F as Future>::Output: Sync,`

### `impl<F> UnwindSafe for FlattenStream<F> where
F: UnwindSafe,
<F as Future>::Output: UnwindSafe,`

## Blanket Implementations

### `impl<T> Any for T where
T: 'static + ?Sized,` [src]

#### `pub fn type_id(&self) -> TypeId` [src]

Gets the `TypeId` of `self`. Read more

### `impl<T> Borrow<T> for T where
T: ?Sized,` [src]

#### `pub fn borrow(&self) -> &T` [src]

Immutably borrows from an owned value. Read more

### `impl<T> BorrowMut<T> for T where
T: ?Sized,` [src]

#### `pub fn borrow_mut(&mut self) -> &mut T` [src]

Mutably borrows from an owned value. Read more

### `impl<T> From<T> for T` [src]

#### `pub fn from(t: T) -> T` [src]

Performs the conversion.

### `impl<T, U> Into<U> for T where
U: From<T>,` [src]

#### `pub fn into(self) -> U` [src]

Performs the conversion.

### `impl<T, U> TryFrom<U> for T where
U: Into<T>,` [src]

#### `type Error = Infallible`

The type returned in the event of a conversion error.

#### `pub fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>` [src]

Performs the conversion.

### `impl<T, U> TryInto<U> for T where
U: TryFrom<T>,` [src]

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

The type returned in the event of a conversion error.

#### `pub fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>` [src]

Performs the conversion.

### `impl<S, T, E> TryStream for S where
S: Stream<Item = Result<T, E>> + ?Sized,` [src]

#### `type Ok = T`

The type of successful values yielded by this future

#### `type Error = E`

The type of failures yielded by this future

#### `pub fn try_poll_next(
self: Pin<&mut S>,
cx: &mut Context<'_>
) -> Poll<Option<Result<<S as TryStream>::Ok, <S as TryStream>::Error>>>` [src]

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