{"ast_node_type":"variable","tokens":[{"end":95,"kind":"keyword","start":0,"text":"let"}]}
                                    let cand_params = &tcx.generics_of(cand.def_id).own_params;
                                    let cand_path = tcx.def_path_str(cand.def_id);
                                    let cand_args: String = cand_params