Struct rustc_middle::ty::fold::BottomUpFolder

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pub struct BottomUpFolder<'tcx, F, G, H>
where
    F: FnMut(Ty<'tcx>) -> Ty<'tcx>,
    G: FnMut(Region<'tcx>) -> Region<'tcx>,
    H: FnMut(Const<'tcx>) -> Const<'tcx>,
{
    pub tcx: TyCtxt<'tcx>,
    pub ty_op: F,
    pub lt_op: G,
    pub ct_op: H,
}

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§tcx: TyCtxt<'tcx>§ty_op: F§lt_op: G§ct_op: H

Trait Implementations§

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impl<'tcx, F, G, H> TypeFolder<TyCtxt<'tcx>> for BottomUpFolder<'tcx, F, G, H>
where F: FnMut(Ty<'tcx>) -> Ty<'tcx>, G: FnMut(Region<'tcx>) -> Region<'tcx>, H: FnMut(Const<'tcx>) -> Const<'tcx>,

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fn interner(&self) -> TyCtxt<'tcx>

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fn fold_ty(&mut self, ty: Ty<'tcx>) -> Ty<'tcx>

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fn fold_region(&mut self, r: Region<'tcx>) -> Region<'tcx>

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fn fold_const(&mut self, ct: Const<'tcx>) -> Const<'tcx>

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fn fold_binder<T>( &mut self, t: <I as Interner>::Binder<T> ) -> <I as Interner>::Binder<T>
where T: TypeFoldable<I>, <I as Interner>::Binder<T>: TypeSuperFoldable<I>,

Auto Trait Implementations§

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impl<'tcx, F, G, H> !RefUnwindSafe for BottomUpFolder<'tcx, F, G, H>

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impl<'tcx, F, G, H> !Send for BottomUpFolder<'tcx, F, G, H>

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impl<'tcx, F, G, H> !Sync for BottomUpFolder<'tcx, F, G, H>

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impl<'tcx, F, G, H> Unpin for BottomUpFolder<'tcx, F, G, H>
where F: Unpin, G: Unpin, H: Unpin,

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impl<'tcx, F, G, H> !UnwindSafe for BottomUpFolder<'tcx, F, G, H>

Blanket Implementations§

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impl<T> Aligned for T

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const ALIGN: Alignment = _

Alignment of Self.
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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, R> CollectAndApply<T, R> for T

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fn collect_and_apply<I, F>(iter: I, f: F) -> R
where I: Iterator<Item = T>, F: FnOnce(&[T]) -> R,

Equivalent to f(&iter.collect::<Vec<_>>()).

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type Output = R

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impl<I, F> FallibleTypeFolder<I> for F
where I: Interner, F: TypeFolder<I>,

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type Error = !

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fn interner(&self) -> I

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fn try_fold_binder<T>( &mut self, t: <I as Interner>::Binder<T> ) -> Result<<I as Interner>::Binder<T>, !>
where T: TypeFoldable<I>, <I as Interner>::Binder<T>: TypeSuperFoldable<I>,

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fn try_fold_ty( &mut self, t: <I as Interner>::Ty ) -> Result<<I as Interner>::Ty, !>
where <I as Interner>::Ty: TypeSuperFoldable<I>,

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fn try_fold_region( &mut self, r: <I as Interner>::Region ) -> Result<<I as Interner>::Region, !>

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fn try_fold_const( &mut self, c: <I as Interner>::Const ) -> Result<<I as Interner>::Const, !>
where <I as Interner>::Const: TypeSuperFoldable<I>,

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fn try_fold_predicate( &mut self, p: <I as Interner>::Predicate ) -> Result<<I as Interner>::Predicate, !>
where <I as Interner>::Predicate: TypeSuperFoldable<I>,

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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<P> IntoQueryParam<P> for P

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fn into_query_param(self) -> P

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impl<T> MaybeResult<T> for T

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type Error = !

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fn from(_: Result<T, <T as MaybeResult<T>>::Error>) -> T

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fn to_result(self) -> Result<T, <T as MaybeResult<T>>::Error>

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impl<'tcx, T> ToPredicate<'tcx, T> for T

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fn to_predicate(self, _tcx: TyCtxt<'tcx>) -> T

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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<Tcx, T> Value<Tcx> for T
where Tcx: DepContext,

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default fn from_cycle_error( tcx: Tcx, cycle_error: &CycleError, _guar: ErrorGuaranteed ) -> T

Layout§

Note: Unable to compute type layout, possibly due to this type having generic parameters. Layout can only be computed for concrete, fully-instantiated types.