Struct viz_core::handler::OrElse

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pub struct OrElse<H, F> { /* private fields */ }
Expand description

Calls op if the output is Err, otherwise returns the Ok value of the output.

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impl<H: Clone, F: Clone> Clone for OrElse<H, F>

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fn clone(&self) -> OrElse<H, 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<H: Debug, F: Debug> Debug for OrElse<H, F>

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

Formats the value using the given formatter. Read more
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impl<H, F, I, O> Handler<I> for OrElse<H, F>where I: Send + 'static, O: Send, H: Handler<I, Output = Result<O>> + Clone, F: Handler<Error, Output = H::Output> + Clone,

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type Output = <F as Handler<Error>>::Output

The returned type after the call operator is used.
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fn call<'life0, 'async_trait>( &'life0 self, i: I ) -> Pin<Box<dyn Future<Output = Self::Output> + Send + 'async_trait>>where Self: 'async_trait, 'life0: 'async_trait,

Performs the call operation.

Auto Trait Implementations§

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impl<H, F> RefUnwindSafe for OrElse<H, F>where F: RefUnwindSafe, H: RefUnwindSafe,

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impl<H, F> Send for OrElse<H, F>where F: Send, H: Send,

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impl<H, F> Sync for OrElse<H, F>where F: Sync, H: Sync,

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impl<H, F> Unpin for OrElse<H, F>where F: Unpin, H: Unpin,

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impl<H, F> UnwindSafe for OrElse<H, F>where F: UnwindSafe, H: UnwindSafe,

Blanket Implementations§

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impl<T> Any for Twhere 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 Twhere 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 Twhere 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> DynClone for Twhere T: Clone,

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fn __clone_box(&self, _: Private) -> *mut ()

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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> FutureExt for T

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fn with_context(self, otel_cx: Context) -> WithContext<Self>

Attaches the provided Context to this type, returning a WithContext wrapper. Read more
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fn with_current_context(self) -> WithContext<Self>

Attaches the current Context to this type, returning a WithContext wrapper. Read more
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impl<I, T> HandlerExt<I> for Twhere T: Handler<I> + ?Sized,

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fn boxed(self) -> BoxHandler<I, Self::Output>where Self: Sized,

Converts this Handler into a BoxHandler.
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fn before<F>(self, f: F) -> Before<Self, F>where Self: Sized,

Maps the input before the handler calls.
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fn after<F>(self, f: F) -> After<Self, F>where Self: Sized,

Maps the output Result<T> after the handler called.
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fn around<F>(self, f: F) -> Around<Self, F>where Self: Sized,

Wraps around the remaining handler or middleware chain.
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fn map<F>(self, f: F) -> Map<Self, F>where Self: Sized,

Maps the Ok value of the output if after the handler called.
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fn map_into_response<O>(self) -> MapInToResponse<Self, O>where Self: Sized,

Maps the handler’s output type to the Response.
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fn and_then<F>(self, f: F) -> AndThen<Self, F>where Self: Sized,

Calls op if the result is Ok, otherwise returns the Err value of self.
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fn map_err<F>(self, f: F) -> MapErr<Self, F>where Self: Sized,

Maps the Err value of the output if after the handler called.
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fn or_else<F>(self, f: F) -> OrElse<Self, F>where Self: Sized,

Calls op if the output is Err, otherwise returns the Ok value of the output.
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fn catch_error<F, R, E>(self, f: F) -> CatchError<Self, F, R, E>where Self: Sized,

Catches rejected error while calling the handler.
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fn catch_unwind<F>(self, f: F) -> CatchUnwind<Self, F>where Self: Sized,

Catches unwinding panics while calling the handler.
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fn with<T>(self, t: T) -> T::Outputwhere T: Transform<Self>, Self: Sized,

Returns a new Handler that wrapping the Self and a type implementing Transform.
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fn with_fn<F>(self, f: F) -> Selfwhere F: Fn(Self) -> Self, Self: Sized,

Maps the handler.
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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 Twhere 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<T> for T

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type Output = T

Should always be Self
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impl<T> ToOwned for Twhere 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 Twhere 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 Twhere 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 Twhere 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