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 cx(&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: Binder<I, T>) -> Binder<I, T>
where T: TypeFoldable<I>,

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fn fold_predicate( &mut self, p: <I as Interner>::Predicate, ) -> <I as Interner>::Predicate

Auto Trait Implementations§

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

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

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

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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 cx(&self) -> I

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

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

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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, !>

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

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impl<T> Filterable for T

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fn filterable( self, filter_name: &'static str, ) -> RequestFilterDataProvider<T, fn(_: DataRequest<'_>) -> bool>

Creates a filterable data provider with the given name for debugging. Read more
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fn from(t: T) -> T

Returns the argument unchanged.

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fn instrument(self, span: Span) -> Instrumented<Self>

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fn in_current_span(self) -> Instrumented<Self>

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Calls U::from(self).

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where F: FnOnce(&Self) -> bool,

Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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type Error = !

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const ALIGN: usize = _

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type Init = T

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type Output = T

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type Error = Infallible

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