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TryPromote

cgp_handler

Struct TryPromote 

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pub struct TryPromote<Provider>(pub PhantomData<Provider>);

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§0: PhantomData<Provider>

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impl<Context, Code, Input, Provider, Output> AsyncComputer<Context, Code, Input> for TryPromote<Provider>
where Context: HasErrorType, Provider: Handler<Context, Code, Input, Output = Output>,

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type Output = Result<Output, <Context as HasErrorType>::Error>

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async fn compute_async( context: &Context, tag: PhantomData<Code>, input: Input, ) -> Result<Output, Context::Error>

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impl<Context, Code, Input, Provider, Output> Computer<Context, Code, Input> for TryPromote<Provider>
where Context: HasErrorType, Provider: TryComputer<Context, Code, Input, Output = Output>,

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type Output = Result<Output, <Context as HasErrorType>::Error>

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fn compute( context: &Context, tag: PhantomData<Code>, input: Input, ) -> Result<Output, Context::Error>

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impl<Context, Code, Input, Output, Provider> Handler<Context, Code, Input> for TryPromote<Provider>
where Context: HasErrorType, Provider: AsyncComputer<Context, Code, Input, Output = Result<Output, Context::Error>>,

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type Output = Output

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async fn handle( context: &Context, tag: PhantomData<Code>, input: Input, ) -> Result<Output, Context::Error>

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impl<Context, Code, Input, Output, Provider> TryComputer<Context, Code, Input> for TryPromote<Provider>
where Context: HasErrorType, Provider: Computer<Context, Code, Input, Output = Result<Output, Context::Error>>,

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type Output = Output

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fn try_compute( context: &Context, tag: PhantomData<Code>, input: Input, ) -> Result<Output, Context::Error>

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impl<Context, Code, Input, Provider, Output> IsProviderFor<AsyncComputerComponent, Context, (Code, Input)> for TryPromote<Provider>
where Context: HasErrorType, Provider: Handler<Context, Code, Input, Output = Output>,

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impl<Context, Code, Input, Provider, Output> IsProviderFor<ComputerComponent, Context, (Code, Input)> for TryPromote<Provider>
where Context: HasErrorType, Provider: TryComputer<Context, Code, Input, Output = Output>,

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impl<Context, Code, Input, Output, Provider> IsProviderFor<HandlerComponent, Context, (Code, Input)> for TryPromote<Provider>
where Context: HasErrorType, Provider: AsyncComputer<Context, Code, Input, Output = Result<Output, Context::Error>>,

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impl<Context, Code, Input, Output, Provider> IsProviderFor<TryComputerComponent, Context, (Code, Input)> for TryPromote<Provider>
where Context: HasErrorType, Provider: Computer<Context, Code, Input, Output = Result<Output, Context::Error>>,

Auto Trait Implementations§

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impl<Provider> Freeze for TryPromote<Provider>

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impl<Provider> RefUnwindSafe for TryPromote<Provider>
where Provider: RefUnwindSafe,

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impl<Provider> Send for TryPromote<Provider>
where Provider: Send,

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impl<Provider> Sync for TryPromote<Provider>
where Provider: Sync,

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impl<Provider> Unpin for TryPromote<Provider>
where Provider: Unpin,

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impl<Provider> UnsafeUnpin for TryPromote<Provider>

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impl<Provider> UnwindSafe for TryPromote<Provider>
where Provider: 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> 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<Builder, Source, Output> CanBuildFrom<Source> for Builder
where Source: HasFields + IntoBuilder, <Source as HasFields>::Fields: FieldsBuilder<<Source as IntoBuilder>::Builder, Builder, Output = Output>,

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type Output = Output

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fn build_from(self, source: Source) -> Output

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impl<Source, Target, Remainder> CanDowncastFields<Target> for Source
where Target: HasFields, <Target as HasFields>::Fields: FieldsExtractor<Source, Target, Remainder = Remainder>,

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type Remainder = Remainder

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fn downcast_fields( self, _tag: PhantomData<Target>, ) -> Result<Target, <Source as CanDowncastFields<Target>>::Remainder>

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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.