{"ast_node_type":"other","tokens":[{"end":97,"kind":"keyword","start":0,"text":"Res::Def(DefKind::Fn"}]}
                                Res::Def(DefKind::Fn | DefKind::AssocFn, def_id) => Some(def_id),
                            match cx.qpath_res(qpath, callee.hir_id) {
                                // `Res::Local` if it was a closure, for which we