{"ast_node_type":"variable","tokens":[{"end":91,"kind":"keyword","start":0,"text":"let"}]}
                    let closure_hir_id = self.tcx().local_def_id_to_hir_id(closure_def_id);
                .map(|(&closure_def_id, data)| {
                    let data = self.resolve(*data, &closure_hir_id);