[][src]Trait rustc::ty::fold::TypeFolder

pub trait TypeFolder<'gcx: 'tcx, 'tcx>: Sized {
    fn tcx<'a>(&'a self) -> TyCtxt<'a, 'gcx, 'tcx>;

    fn fold_binder<T>(&mut self, t: &Binder<T>) -> Binder<T>
    where
        T: TypeFoldable<'tcx>
, { ... }
fn fold_ty(&mut self, t: Ty<'tcx>) -> Ty<'tcx> { ... }
fn fold_region(&mut self, r: Region<'tcx>) -> Region<'tcx> { ... }
fn fold_const(&mut self, c: &'tcx Const<'tcx>) -> &'tcx Const<'tcx> { ... } }
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The TypeFolder trait defines the actual folding. There is a method defined for every foldable type. Each of these has a default implementation that does an "identity" fold. Within each identity fold, it should invoke foo.fold_with(self) to fold each sub-item.

Required Methods

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Provided Methods

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Implementors

impl<'a, 'b, 'gcx, 'tcx> TypeFolder<'gcx, 'tcx> for AssociatedTypeNormalizer<'a, 'b, 'gcx, 'tcx>
[src]

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impl<'a, 'gcx, 'tcx> TypeFolder<'gcx, 'tcx> for RegionFudger<'a, 'gcx, 'tcx>
[src]

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impl<'a, 'gcx, 'tcx> TypeFolder<'gcx, 'tcx> for FullTypeResolver<'a, 'gcx, 'tcx>
[src]

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impl<'a, 'gcx, 'tcx> TypeFolder<'gcx, 'tcx> for OpportunisticTypeAndRegionResolver<'a, 'gcx, 'tcx>
[src]

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impl<'a, 'gcx, 'tcx> TypeFolder<'gcx, 'tcx> for OpportunisticTypeResolver<'a, 'gcx, 'tcx>
[src]

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impl<'a, 'gcx, 'tcx> TypeFolder<'gcx, 'tcx> for TypeFreshener<'a, 'gcx, 'tcx>
[src]

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impl<'a, 'gcx, 'tcx> TypeFolder<'gcx, 'tcx> for rustc::traits::auto_trait::RegionReplacer<'a, 'gcx, 'tcx>
[src]

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impl<'a, 'gcx, 'tcx> TypeFolder<'gcx, 'tcx> for RegionEraserVisitor<'a, 'gcx, 'tcx>
[src]

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impl<'a, 'gcx, 'tcx> TypeFolder<'gcx, 'tcx> for RegionFolder<'a, 'gcx, 'tcx>
[src]

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impl<'a, 'gcx, 'tcx> TypeFolder<'gcx, 'tcx> for rustc::ty::fold::RegionReplacer<'a, 'gcx, 'tcx>
[src]

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impl<'a, 'gcx, 'tcx> TypeFolder<'gcx, 'tcx> for SubstFolder<'a, 'gcx, 'tcx>
[src]

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impl<'a, 'gcx, 'tcx, F, G> TypeFolder<'gcx, 'tcx> for BottomUpFolder<'a, 'gcx, 'tcx, F, G> where
    F: FnMut(Ty<'tcx>) -> Ty<'tcx>,
    G: FnMut(Region<'tcx>) -> Region<'tcx>, 
[src]

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impl<'cx, 'gcx, 'tcx> TypeFolder<'gcx, 'tcx> for Canonicalizer<'cx, 'gcx, 'tcx>
[src]

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impl<'cx, 'gcx, 'tcx> TypeFolder<'gcx, 'tcx> for CanonicalVarValuesSubst<'cx, 'gcx, 'tcx>
[src]

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impl<'cx, 'gcx, 'tcx> TypeFolder<'gcx, 'tcx> for ReverseMapper<'cx, 'gcx, 'tcx>
[src]

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impl<'cx, 'gcx, 'tcx> TypeFolder<'gcx, 'tcx> for QueryNormalizer<'cx, 'gcx, 'tcx>
[src]

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impl<'cx, 'tcx> TypeFolder<'tcx, 'tcx> for NormalizeAfterErasingRegionsFolder<'cx, 'tcx>
[src]

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