{"ast_node_type":"variable","tokens":[{"end":36,"kind":"keyword","start":0,"text":"&&"}]}
                        && let sig =
                    let arg_param = if self.infcx.tcx.def_kind(def_id).is_fn_like()
                            self.infcx.tcx.fn_sig(def_id).instantiate_identity().skip_binder()