{"ast_node_type":"other","tokens":[{"end":79,"kind":"keyword","start":0,"text":"ty::Adt(def,"}]}
                        ty::Adt(def, ..) if def.is_enum() => PathElem::EnumTag,
                    return match layout.ty.kind() {
                        ty::Coroutine(..) => PathElem::CoroutineTag,