Set.For_derivingmodule type Sexp_of_m = sig ... endmodule type M_of_sexp = sig ... endmodule type Compare_m = sig ... endmodule type Equal_m = sig ... endmodule type Hash_fold_m = Hasher.Sval m__t_of_sexp : (module M_of_sexp with type comparator_witness = 'cmp and type t = 'elt) -> Sexp.t -> ('elt, 'cmp) tval hash_fold_m__t : (module Hash_fold_m with type t = 'elt) -> Hash.state -> ('elt, _) t -> Hash.stateval hash_m__t : (module Hash_fold_m with type t = 'elt) -> ('elt, _) t -> int