syntax_data: {"ast_node_type":"function","tokens":[{"end":75,"kind":"keyword","start":0,"text":"fn"}]}
source_snippet:     fn visit_with<V: TypeVisitor<I>>(&self, visitor: &mut V) -> V::Result {
context_before: impl<I: Interner, T: TypeVisitable<I>> TypeVisitable<I> for Binder<I, T> {
context_after:         visitor.visit_binder(self)