pavex::middleware

Enum Processing

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pub enum Processing<T = Response>
where
    T: IntoResponse,
{
    Continue,
    EarlyReturn(T),
}
Expand description

The return type of a pre-processing middleware.

It signals to Pavex whether the request processing should continue or be aborted, and if so, with what response.

Check out Blueprint::pre_process for more information.

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Continue

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EarlyReturn(T)

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impl<T: IntoResponse> Processing<T>

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pub fn into_response(self) -> Option<T>

Converts the Processing instance into a response, if the intention is to abort.
It returns None if the intention is to continue the request processing.

Auto Trait Implementations§

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impl<T> Freeze for Processing<T>
where T: Freeze,

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impl<T> RefUnwindSafe for Processing<T>
where T: RefUnwindSafe,

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impl<T> Send for Processing<T>
where T: Send,

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impl<T> Sync for Processing<T>
where T: Sync,

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impl<T> Unpin for Processing<T>
where T: Unpin,

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impl<T> UnwindSafe for Processing<T>
where T: UnwindSafe,

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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> 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> 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> Same for T

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type Output = T

Should always be Self
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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<V, T> VZip<V> for T
where V: MultiLane<T>,

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fn vzip(self) -> V

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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