rustc_trait_selection::infer::canonical::ir::visit

Trait TypeVisitor

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pub trait TypeVisitor<I>: Sized
where I: Interner,
{ type Result: VisitorResult = (); // Provided methods fn visit_binder<T>(&mut self, t: &Binder<I, T>) -> Self::Result where T: TypeVisitable<I> { ... } fn visit_ty(&mut self, t: <I as Interner>::Ty) -> Self::Result { ... } fn visit_region(&mut self, r: <I as Interner>::Region) -> Self::Result { ... } fn visit_const(&mut self, c: <I as Interner>::Const) -> Self::Result { ... } fn visit_predicate(&mut self, p: <I as Interner>::Predicate) -> Self::Result { ... } fn visit_clauses(&mut self, p: <I as Interner>::Clauses) -> Self::Result { ... } fn visit_error( &mut self, _guar: <I as Interner>::ErrorGuaranteed, ) -> Self::Result { ... } }
Expand description

This trait is implemented for every visiting traversal. There is a visit method defined for every type of interest. Each such method has a default that recurses into the type’s fields in a non-custom fashion.

Provided Associated Types§

Provided Methods§

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fn visit_binder<T>(&mut self, t: &Binder<I, T>) -> Self::Result
where T: TypeVisitable<I>,

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

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

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fn visit_const(&mut self, c: <I as Interner>::Const) -> Self::Result

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

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fn visit_clauses(&mut self, p: <I as Interner>::Clauses) -> Self::Result

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fn visit_error( &mut self, _guar: <I as Interner>::ErrorGuaranteed, ) -> Self::Result

Object Safety§

This trait is not object safe.

Implementations on Foreign Types§

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impl<'tcx> TypeVisitor<TyCtxt<'tcx>> for IsSuggestableVisitor<'tcx>

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type Result = ControlFlow<()>

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fn visit_ty(&mut self, t: Ty<'tcx>) -> ControlFlow<()>

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fn visit_const(&mut self, c: Const<'tcx>) -> ControlFlow<()>

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impl<'tcx> TypeVisitor<TyCtxt<'tcx>> for MaxUniverse

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fn visit_ty(&mut self, t: Ty<'tcx>)

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fn visit_const(&mut self, c: Const<'tcx>)

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

Implementors§