{"ast_node_type":"variable","tokens":[{"end":39,"kind":"keyword","start":0,"text":"let"}]}
                let provided_as_tuple =
                    provided_args_to_tuple.split_at(tys.len());
                    Ty::new_tup_from_iter(tcx, provided_args_to_tuple.iter().map(|&(ty, _)| ty));