http_body_util::combinators

Struct WithTrailers

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pub struct WithTrailers<T, F> { /* private fields */ }
Expand description

Adds trailers to a body.

See [BodyExt::with_trailers] for more details.

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impl<T, F> Body for WithTrailers<T, F>
where T: Body, F: Future<Output = Option<Result<HeaderMap, T::Error>>>,

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type Data = <T as Body>::Data

Values yielded by the Body.
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type Error = <T as Body>::Error

The error type this Body might generate.
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fn poll_frame( self: Pin<&mut Self>, cx: &mut Context<'_>, ) -> Poll<Option<Result<Frame<Self::Data>, Self::Error>>>

Attempt to pull out the next data buffer of this stream.
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fn size_hint(&self) -> SizeHint

Returns the bounds on the remaining length of the stream. Read more
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fn is_end_stream(&self) -> bool

Returns true when the end of stream has been reached. Read more
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impl<'__pin, T, F> Unpin for WithTrailers<T, F>
where PinnedFieldsOf<__Origin<'__pin, T, F>>: Unpin,

Auto Trait Implementations§

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impl<T, F> Freeze for WithTrailers<T, F>
where T: Freeze, F: Freeze,

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impl<T, F> RefUnwindSafe for WithTrailers<T, F>
where T: RefUnwindSafe, F: RefUnwindSafe,

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impl<T, F> Send for WithTrailers<T, F>
where T: Send, F: Send,

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impl<T, F> Sync for WithTrailers<T, F>
where T: Sync, F: Sync,

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impl<T, F> UnwindSafe for WithTrailers<T, F>
where T: UnwindSafe, F: UnwindSafe,

Blanket Implementations§

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impl<T> Any for T
where 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> BodyExt for T
where T: Body + ?Sized,

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fn frame(&mut self) -> Frame<'_, Self> ⓘ
where Self: Unpin,

Returns a future that resolves to the next Frame, if any.
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fn map_frame<F, B>(self, f: F) -> MapFrame<Self, F>
where Self: Sized, F: FnMut(Frame<Self::Data>) -> Frame<B>, B: Buf,

Maps this body’s frame to a different kind.
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fn map_err<F, E>(self, f: F) -> MapErr<Self, F>
where Self: Sized, F: FnMut(Self::Error) -> E,

Maps this body’s error value to a different value.
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fn boxed(self) -> BoxBody<Self::Data, Self::Error>
where Self: Sized + Send + Sync + 'static,

Turn this body into a boxed trait object.
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fn boxed_unsync(self) -> UnsyncBoxBody<Self::Data, Self::Error>
where Self: Sized + Send + 'static,

Turn this body into a boxed trait object that is !Sync.
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fn collect(self) -> Collect<Self> ⓘ
where Self: Sized,

Turn this body into Collected body which will collect all the DATA frames and trailers.
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fn with_trailers<F>(self, trailers: F) -> WithTrailers<Self, F>
where Self: Sized, F: Future<Output = Option<Result<HeaderMap, Self::Error>>>,

Add trailers to the body. Read more
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fn into_data_stream(self) -> BodyDataStream<Self>
where Self: Sized,

Turn this body into BodyDataStream.
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impl<T> Borrow<T> for T
where 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 T
where 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 T
where 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 T
where 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 T
where 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.

Layout§

Note: Unable to compute type layout, possibly due to this type having generic parameters. Layout can only be computed for concrete, fully-instantiated types.