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HandleFirstFieldValue

cgp_dispatch

Struct HandleFirstFieldValue 

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pub struct HandleFirstFieldValue<Provider = UseContext>(pub PhantomData<Provider>);

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§0: PhantomData<Provider>

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impl<Context, Code, Tag, Input, Args, Provider> AsyncComputer<Context, Code, (ω<Tag, Input>, Args)> for HandleFirstFieldValue<Provider>
where Provider: AsyncComputer<Context, Code, (Input, Args)>,

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type Output = <Provider as AsyncComputer<Context, Code, (Input, Args)>>::Output

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async fn compute_async( context: &Context, tag: PhantomData<Code>, __arg2: (Field<Tag, Input>, Args), ) -> Self::Output

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impl<Context, Code, Tag, Input, Args, Output, Provider> Computer<Context, Code, (ω<Tag, Input>, Args)> for HandleFirstFieldValue<Provider>
where Provider: Computer<Context, Code, (Input, Args), Output = Output>,

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type Output = Output

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fn compute( context: &Context, tag: PhantomData<Code>, (input, args): (Field<Tag, Input>, Args), ) -> Self::Output

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impl<Context, Code, Tag, Input, Args, Provider> IsProviderFor<AsyncComputerComponent, Context, (Code, (ω<Tag, Input>, Args))> for HandleFirstFieldValue<Provider>
where Provider: IsProviderFor<AsyncComputerComponent, Context, (Code, (Input, Args))> + AsyncComputer<Context, Code, (Input, Args)>,

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impl<Context, Code, Tag, Input, Args, Output, Provider> IsProviderFor<ComputerComponent, Context, (Code, (ω<Tag, Input>, Args))> for HandleFirstFieldValue<Provider>
where Provider: IsProviderFor<ComputerComponent, Context, (Code, (Input, Args))> + Computer<Context, Code, (Input, Args), Output = Output>,

Auto Trait Implementations§

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impl<Provider> Freeze for HandleFirstFieldValue<Provider>

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

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

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

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

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impl<Provider> UnsafeUnpin for HandleFirstFieldValue<Provider>

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impl<Provider> UnwindSafe for HandleFirstFieldValue<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<__Context__, Code, Input> CanCompute<Code, Input> for __Context__
where __Context__: Computer<__Context__, Code, Input>,

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type Output = <__Context__ as Computer<__Context__, Code, Input>>::Output

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fn compute( &self, _code: PhantomData<Code>, input: Input, ) -> <__Context__ as CanCompute<Code, Input>>::Output

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impl<__Context__, Code, Input> CanComputeAsync<Code, Input> for __Context__
where __Context__: AsyncComputer<__Context__, Code, Input>,

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type Output = <__Context__ as AsyncComputer<__Context__, Code, Input>>::Output

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fn compute_async( &self, _code: PhantomData<Code>, input: Input, ) -> impl Future<Output = <__Context__ as CanComputeAsync<Code, Input>>::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.