ChainGetters

cgp_core::field::impls

Struct ChainGetters 

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pub struct ChainGetters<Getters>(pub PhantomData<Getters>);

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§0: PhantomData<Getters>

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impl<Context, Tag, Getter, RestGetters, ValueA, ValueB> FieldGetter<Context, Tag> for ChainGetters<π<Getter, RestGetters>>
where Getter: FieldMapper<Context, Tag, Value = ValueA>, ChainGetters<RestGetters>: FieldGetter<ValueA, Tag, Value = ValueB>,

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type Value = ValueB

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fn get_field(context: &Context, tag: PhantomData<Tag>) -> &ValueB

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impl<Context, Tag> FieldGetter<Context, Tag> for ChainGetters<ε>

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type Value = Context

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fn get_field(context: &Context, _tag: PhantomData<Tag>) -> &Context

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impl<Getters> Freeze for ChainGetters<Getters>

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impl<Getters> RefUnwindSafe for ChainGetters<Getters>
where Getters: RefUnwindSafe,

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impl<Getters> Send for ChainGetters<Getters>
where Getters: Send,

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impl<Getters> Sync for ChainGetters<Getters>
where Getters: Sync,

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impl<Getters> Unpin for ChainGetters<Getters>
where Getters: Unpin,

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impl<Getters> UnwindSafe for ChainGetters<Getters>
where Getters: 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<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<Getter, Context, Tag> FieldMapper<Context, Tag> for Getter
where Getter: FieldGetter<Context, Tag> + 'static, Tag: 'static,

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fn map_field<T>( context: &Context, tag: PhantomData<Tag>, mapper: impl for<'a> FnOnce(&'a <Getter as FieldGetter<Context, Tag>>::Value) -> &'a T, ) -> &T

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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.