Trait TypeVisitor

source

pub trait TypeVisitor<I>: Sizedwhere
    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.