{"ast_node_type":"other","tokens":[{"end":87,"kind":"keyword","start":0,"text":"Res::Def(DefKind::Ctor(_,"}]}
            Res::Def(DefKind::Ctor(_, CtorKind::Fn), _) => tcx.expect_variant_res(res),
            }
            _ => bug!("unexpected pattern resolution: {:?}", res),