Struct MapErr
pub struct MapErr<St, F> { /* private fields */ }
Expand description
Stream for the map_err
method.
Implementations§
§impl<St, F> MapErr<St, F>
impl<St, F> MapErr<St, F>
pub fn get_ref(&self) -> &St
pub fn get_ref(&self) -> &St
Acquires a reference to the underlying sink or stream that this combinator is pulling from.
pub fn get_mut(&mut self) -> &mut St
pub fn get_mut(&mut self) -> &mut St
Acquires 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.
pub fn get_pin_mut(self: Pin<&mut MapErr<St, F>>) -> Pin<&mut St>
pub fn get_pin_mut(self: Pin<&mut MapErr<St, F>>) -> 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.
pub fn into_inner(self) -> St
pub fn into_inner(self) -> St
Consumes 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<St, F> FusedStream for MapErr<St, F>
impl<St, F> FusedStream for MapErr<St, F>
§fn is_terminated(&self) -> bool
fn is_terminated(&self) -> bool
true
if the stream should no longer be polled.§impl<_Item, St, F> Sink<_Item> for MapErr<St, F>
impl<_Item, St, F> Sink<_Item> for MapErr<St, F>
§type Error = <Map<IntoStream<St>, MapErrFn<F>> as Sink<_Item>>::Error
type Error = <Map<IntoStream<St>, MapErrFn<F>> as Sink<_Item>>::Error
§fn poll_ready(
self: Pin<&mut MapErr<St, F>>,
cx: &mut Context<'_>,
) -> Poll<Result<(), <MapErr<St, F> as Sink<_Item>>::Error>>
fn poll_ready( self: Pin<&mut MapErr<St, F>>, cx: &mut Context<'_>, ) -> Poll<Result<(), <MapErr<St, F> as Sink<_Item>>::Error>>
Sink
to receive a value. Read more§fn start_send(
self: Pin<&mut MapErr<St, F>>,
item: _Item,
) -> Result<(), <MapErr<St, F> as Sink<_Item>>::Error>
fn start_send( self: Pin<&mut MapErr<St, F>>, item: _Item, ) -> Result<(), <MapErr<St, F> as Sink<_Item>>::Error>
poll_ready
which returned Poll::Ready(Ok(()))
. Read more§impl<St, F> Stream for MapErr<St, F>
impl<St, F> Stream for MapErr<St, F>
§fn poll_next(
self: Pin<&mut MapErr<St, F>>,
cx: &mut Context<'_>,
) -> Poll<Option<<MapErr<St, F> as Stream>::Item>>
fn poll_next( self: Pin<&mut MapErr<St, F>>, cx: &mut Context<'_>, ) -> Poll<Option<<MapErr<St, F> as Stream>::Item>>
None
if the stream is exhausted. Read moreimpl<'__pin, St, F> Unpin for MapErr<St, F>where
<PinnedFieldsOfHelperStruct<__Origin<'__pin, St, F>> as PinnedFieldsOfHelperTrait>::Actual: Unpin,
Auto Trait Implementations§
impl<St, F> Freeze for MapErr<St, F>
impl<St, F> RefUnwindSafe for MapErr<St, F>where
St: RefUnwindSafe,
F: RefUnwindSafe,
impl<St, F> Send for MapErr<St, F>
impl<St, F> Sync for MapErr<St, F>
impl<St, F> UnwindSafe for MapErr<St, F>where
St: UnwindSafe,
F: UnwindSafe,
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fn try_fold<T, Fut, F>(self, init: T, f: F) -> TryFold<Self, Fut, T, F> ⓘ
§fn try_concat(self) -> TryConcat<Self> ⓘ
fn try_concat(self) -> TryConcat<Self> ⓘ
§fn try_buffer_unordered(self, n: usize) -> TryBufferUnordered<Self>
fn try_buffer_unordered(self, n: usize) -> TryBufferUnordered<Self>
§fn try_buffered(self, n: usize) -> TryBuffered<Self>
fn try_buffered(self, n: usize) -> TryBuffered<Self>
§fn try_poll_next_unpin(
&mut self,
cx: &mut Context<'_>,
) -> Poll<Option<Result<Self::Ok, Self::Error>>>where
Self: Unpin,
fn try_poll_next_unpin(
&mut self,
cx: &mut Context<'_>,
) -> Poll<Option<Result<Self::Ok, Self::Error>>>where
Self: Unpin,
TryStream::try_poll_next
on Unpin
stream types.§fn into_async_read(self) -> IntoAsyncRead<Self>
fn into_async_read(self) -> IntoAsyncRead<Self>
AsyncBufRead
. Read more§fn try_all<Fut, F>(self, f: F) -> TryAll<Self, Fut, F> ⓘ
fn try_all<Fut, F>(self, f: F) -> TryAll<Self, Fut, F> ⓘ
Err
is encountered or if an Ok
item is found
that does not satisfy the predicate. Read more