is_tree/traits/
knows_visitor.rs1pub trait KnowsVisitor {
6 type Visitor;
8 type VisitorMut;
9}
10
11impl<T> KnowsVisitor for Box<T>
12where
13 T: KnowsVisitor,
14{
15 type Visitor = T::Visitor;
16 type VisitorMut = T::VisitorMut;
17}
18
19impl<T> KnowsVisitor for &T
20where
21 T: KnowsVisitor,
22{
23 type Visitor = T::Visitor;
24 type VisitorMut = T::VisitorMut;
25}
26
27impl<T> KnowsVisitor for &mut T
28where
29 T: KnowsVisitor,
30{
31 type Visitor = T::Visitor;
32 type VisitorMut = T::VisitorMut;
33}