syntax_data: {"ast_node_type":"other","tokens":[{"end":34,"kind":"keyword","start":0,"text":"ty::Ref(r,"}]}
source_snippet:             ty::Ref(r, ty, _) => {
context_before:             ty::UnsafeBinder(f) => f.visit_with(visitor),
context_after:                 try_visit!(r.visit_with(visitor));