{"ast_node_type":"other","tokens":[{"end":60,"kind":"keyword","start":0,"text":"TypeRef::Reference(it)"}]}
                TypeRef::Reference(it) => go(it.ty, f, map),
                TypeRef::RawPtr(type_ref, _) | TypeRef::Slice(type_ref) => go(*type_ref, f, map),
                TypeRef::Array(it) => go(it.ty, f, map),