{"ast_node_type":"struct","tokens":[{"end":80,"kind":"keyword","start":0,"text":"DefKind::Ctor(CtorOf::Struct,"}]}
                DefKind::Ctor(CtorOf::Struct, _) => "struct constructor".into(),
            ty::FnDef(def_id, ..) => match tcx.def_kind(def_id) {
                DefKind::Ctor(CtorOf::Variant, _) => "enum constructor".into(),