Struct FlatMap
#[must_use = "futures/streams/sinks do nothing unless you `.await` or poll them"]
pub struct FlatMap<St, U, F> { /* private fields */ }Stream for the flat_map method.
Implementations
impl<St, U, F> FlatMap<St, U, F>
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, U, F> Unpin for FlatMap<St, U, F>
where
PinnedFieldsOf<__Origin<'__pin, St, U, F>>: Unpin,
impl<St, U, F> Debug for FlatMap<St, U, F>
where
Flatten<Map<St, F>, U>: Debug,
fn fmt(&self, f: &mut Formatter<'_>) -> Result
impl<St, U, F> FusedStream for FlatMap<St, U, F>
where
Flatten<Map<St, F>, U>: FusedStream,
fn is_terminated(&self) -> bool
impl<St, U, F> Stream for FlatMap<St, U, F>
where
Flatten<Map<St, F>, U>: Stream,
type Item = <Flatten<Map<St, F>, U> as Stream>::Item;fn poll_next(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Option<Self::Item>>fn size_hint(&self) -> (usize, Option<usize>)
impl<_Item, St, U, F> Sink<_Item> for FlatMap<St, U, F>
where
Flatten<Map<St, F>, U>: Sink<_Item>,
type Error = <Flatten<Map<St, F>, U> 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>>
Auto Trait Implementations
impl<St, U, F> Freeze for FlatMap<St, U, F>
where
Flatten<Map<St, F>, U>: Freeze,
impl<St, U, F> RefUnwindSafe for FlatMap<St, U, F>
where
Flatten<Map<St, F>, U>: RefUnwindSafe,
impl<St, U, F> Send for FlatMap<St, U, F>
where
Flatten<Map<St, F>, U>: Send,
impl<St, U, F> Sync for FlatMap<St, U, F>
where
Flatten<Map<St, F>, U>: Sync,
impl<St, U, F> UnsafeUnpin for FlatMap<St, U, F>
where
Flatten<Map<St, F>, U>: UnsafeUnpin,
impl<St, U, F> UnwindSafe for FlatMap<St, U, F>
where
Flatten<Map<St, F>, U>: UnwindSafe,
Blanket Implementations
impl<S> TryStreamExt for FlatMap<St, U, F>
where
S: TryStream + ?Sized,
impl<S, T, E> TryStream for FlatMap<St, U, 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 FlatMap<St, U, F>
where
T: 'static + ?Sized,
fn type_id(&self) -> TypeId
impl<T> Borrow<T> for FlatMap<St, U, F>
where
T: ?Sized,
fn borrow(&self) -> &T
impl<T> BorrowMut<T> for FlatMap<St, U, F>
where
T: ?Sized,
fn borrow_mut(&mut self) -> &mut T
impl<T> From<T> for FlatMap<St, U, F>
fn from(t: T) -> TReturns the argument unchanged.
impl<T> StreamExt for FlatMap<St, U, F>
where
T: Stream + ?Sized,
impl<T, Item> SinkExt<Item> for FlatMap<St, U, F>
where
T: Sink<Item> + ?Sized,
impl<T, U> Into<U> for FlatMap<St, U, 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 FlatMap<St, U, F>
where
U: Into<T>,
type Error = never;fn try_from(value: U) -> Result<T, never>
impl<T, U> TryInto<U> for FlatMap<St, U, F>
where
U: TryFrom<T>,
type Error = <U as TryFrom<T>>::Error;fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>