module type Key = Base__.Hashtbl_intf.Keymodule type Accessors : sig ... endtype ('key, 'z) create_options_without_first_class_module = ('key, unit, 'z) Base__.Hashtbl_intf.create_options_without_first_class_modulemodule type Creators : sig ... endmodule type Creators_generic : sig ... endmodule Check : sig ... endmodule type Hash_set : sig ... end