Hash_set.Make_plaintype elt = Elt.tval sexp_of_t : t -> Ppx_sexp_conv_lib.Sexp.ttype 'a t_ = ttype 'a elt_ = eltval create : ?growth_allowed:bool -> ?size:int -> unit -> 'a t_module Provide_of_sexp (X : sig ... end) : sig ... endmodule Provide_bin_io (X : sig ... end) : sig ... end