product_os_request::combinators

Struct MapErr

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pub struct MapErr<B, F> { /* private fields */ }
Expand description

Body returned by the map_err combinator.

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impl<B, F> MapErr<B, F>

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pub fn get_ref(&self) -> &B

Get a reference to the inner body

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pub fn get_mut(&mut self) -> &mut B

Get a mutable reference to the inner body

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pub fn get_pin_mut(self: Pin<&mut MapErr<B, F>>) -> Pin<&mut B>

Get a pinned mutable reference to the inner body

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pub fn into_inner(self) -> B

Consume self, returning the inner body

Trait Implementations§

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impl<B, F, E> Body for MapErr<B, F>
where B: Body, F: FnMut(<B as Body>::Error) -> E,

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type Data = <B as Body>::Data

Values yielded by the Body.
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type Error = E

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

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

Returns the bounds on the remaining length of the stream. Read more
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impl<B, F> Clone for MapErr<B, F>
where B: Clone, F: Clone,

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fn clone(&self) -> MapErr<B, F>

Returns a copy of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl<B, F> Debug for MapErr<B, F>
where B: Debug,

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fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error>

Formats the value using the given formatter. Read more
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impl<B, F> Copy for MapErr<B, F>
where B: Copy, F: Copy,

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impl<'__pin, B, F> Unpin for MapErr<B, F>
where <PinnedFieldsOfHelperStruct<__Origin<'__pin, B, F>> as PinnedFieldsOfHelperTrait>::Actual: Unpin,

Auto Trait Implementations§

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impl<B, F> Freeze for MapErr<B, F>
where B: Freeze, F: Freeze,

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impl<B, F> RefUnwindSafe for MapErr<B, F>
where B: RefUnwindSafe, F: RefUnwindSafe,

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impl<B, F> Send for MapErr<B, F>
where B: Send, F: Send,

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impl<B, F> Sync for MapErr<B, F>
where B: Sync, F: Sync,

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impl<B, F> UnwindSafe for MapErr<B, F>
where B: 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> CloneToUninit for T
where T: Clone,

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unsafe fn clone_to_uninit(&self, dst: *mut T)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dst. 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> Instrument for T

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fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more
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fn in_current_span(self) -> Instrumented<Self>

Instruments this type with the current Span, returning an Instrumented wrapper. Read more
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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> ToOwned for T
where T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
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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.
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impl<T> WithSubscriber for T

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fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>
where S: Into<Dispatch>,

Attaches the provided Subscriber to this type, returning a WithDispatch wrapper. Read more
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fn with_current_subscriber(self) -> WithDispatch<Self>

Attaches the current default Subscriber to this type, returning a WithDispatch wrapper. Read more