pub struct Empty<D> {
_marker: PhantomData<fn() -> D>,
}
Expand description
A body that is always empty.
Fields§
§_marker: PhantomData<fn() -> D>
Implementations§
Trait Implementations§
source§impl<D: Buf> Body for Empty<D>
impl<D: Buf> Body for Empty<D>
source§type Error = Infallible
type Error = Infallible
The error type this
Body
might generate.source§fn poll_data(
self: Pin<&mut Self>,
_cx: &mut Context<'_>,
) -> Poll<Option<Result<Self::Data, Self::Error>>>
fn poll_data( self: Pin<&mut Self>, _cx: &mut Context<'_>, ) -> Poll<Option<Result<Self::Data, Self::Error>>>
Attempt to pull out the next data buffer of this stream.
source§fn poll_trailers(
self: Pin<&mut Self>,
_cx: &mut Context<'_>,
) -> Poll<Result<Option<HeaderMap>, Self::Error>>
fn poll_trailers( self: Pin<&mut Self>, _cx: &mut Context<'_>, ) -> Poll<Result<Option<HeaderMap>, Self::Error>>
Poll for an optional single
HeaderMap
of trailers. Read moresource§fn is_end_stream(&self) -> bool
fn is_end_stream(&self) -> bool
Returns
true
when the end of stream has been reached. Read moresource§fn size_hint(&self) -> SizeHint
fn size_hint(&self) -> SizeHint
Returns the bounds on the remaining length of the stream. Read more
source§fn data(&mut self) -> Data<'_, Self> ⓘ
fn data(&mut self) -> Data<'_, Self> ⓘ
Returns future that resolves to next data chunk, if any.
source§fn trailers(&mut self) -> Trailers<'_, Self> ⓘ
fn trailers(&mut self) -> Trailers<'_, Self> ⓘ
Returns future that resolves to trailers, if any.
source§fn map_data<F, B>(self, f: F) -> MapData<Self, F>
fn map_data<F, B>(self, f: F) -> MapData<Self, F>
Maps this body’s data value to a different value.
source§fn map_err<F, E>(self, f: F) -> MapErr<Self, F>
fn map_err<F, E>(self, f: F) -> MapErr<Self, F>
Maps this body’s error value to a different value.
source§fn collect(self) -> Collect<Self> ⓘwhere
Self: Sized,
fn collect(self) -> Collect<Self> ⓘwhere
Self: Sized,
Turn this body into
Collected
body which will collect all the DATA frames
and trailers.source§fn boxed_unsync(self) -> UnsyncBoxBody<Self::Data, Self::Error>
fn boxed_unsync(self) -> UnsyncBoxBody<Self::Data, Self::Error>
Turn this body into a boxed trait object that is !Sync.
impl<D> Copy for Empty<D>
Auto Trait Implementations§
impl<D> Freeze for Empty<D>
impl<D> RefUnwindSafe for Empty<D>
impl<D> Send for Empty<D>
impl<D> Sync for Empty<D>
impl<D> Unpin for Empty<D>
impl<D> UnwindSafe for Empty<D>
Blanket Implementations§
source§impl<T> BorrowMut<T> for Twhere
T: ?Sized,
impl<T> BorrowMut<T> for Twhere
T: ?Sized,
source§fn borrow_mut(&mut self) -> &mut T
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more
source§impl<T> CloneToUninit for Twhere
T: Clone,
impl<T> CloneToUninit for Twhere
T: Clone,
source§unsafe fn clone_to_uninit(&self, dst: *mut T)
unsafe fn clone_to_uninit(&self, dst: *mut T)
🔬This is a nightly-only experimental API. (
clone_to_uninit
)