(fun (v1, v2) ->
let v1 = _of_a v1 and v2 = _of_b v2 in Sexp.List [ v1; v2 ])
+(*
let hashset_of_sexp__ =
let _loc = "Xxx.hashset"
in fun _of_a -> Conv.hashtbl_of_sexp _of_a Conv.bool_of_sexp
| Conv_error.No_variant_match ((msg, sexp)) -> Conv.of_sexp_error msg sexp
let sexp_of_hashset _of_a = Conv.sexp_of_hashtbl _of_a Conv.sexp_of_bool
+*)
let stack_of_sexp__ =
let _loc = "Xxx.stack" in fun _of_a -> Conv.list_of_sexp _of_a