@@ -80,13 +80,106 @@ include (
8080
8181 val raw_concat : t -> t -> t
8282
83+ module Hc : sig
84+ val clear : unit -> unit
85+
86+ val stats : unit -> Hashtbl .statistics
87+
88+ val length : unit -> int
89+ end
90+
8391 module Bool : sig
8492 val true_ : t
8593
8694 val false_ : t
8795
8896 val v : bool -> t
8997 end
98+
99+ module Set : sig
100+ type elt = t
101+
102+ type key = elt
103+
104+ type t
105+
106+ val empty : t
107+
108+ val is_empty : t -> bool
109+
110+ val mem : elt -> t -> bool
111+
112+ val add : elt -> t -> t
113+
114+ val singleton : elt -> t
115+
116+ val cardinal : t -> int
117+
118+ val is_singleton : t -> elt option
119+
120+ val remove : elt -> t -> t
121+
122+ val unsigned_min_elt : t -> elt
123+
124+ val unsigned_max_elt : t -> elt
125+
126+ val pop_unsigned_minimum : t -> (elt * t ) option
127+
128+ val pop_unsigned_maximum : t -> (elt * t ) option
129+
130+ val iter : (elt -> unit ) -> t -> unit
131+
132+ val filter : (elt -> bool ) -> t -> t
133+
134+ val for_all : (elt -> bool ) -> t -> bool
135+
136+ val fold : (elt -> 'acc -> 'acc ) -> t -> 'acc -> 'acc
137+
138+ val split : elt -> t -> t * bool * t
139+
140+ val pretty :
141+ ?pp_sep : (Format .formatter -> unit -> unit )
142+ -> (Format .formatter -> elt -> unit )
143+ -> Format .formatter
144+ -> t
145+ -> unit
146+
147+ val union : t -> t -> t
148+
149+ val inter : t -> t -> t
150+
151+ val disjoint : t -> t -> bool
152+
153+ val subset : t -> t -> bool
154+
155+ val diff : t -> t -> t
156+
157+ val min_elt_inter : t -> t -> elt option
158+
159+ val max_elt_inter : t -> t -> elt option
160+
161+ val to_seq : t -> elt Seq .t
162+
163+ val to_rev_seq : t -> elt Seq .t
164+
165+ val add_seq : elt Seq .t -> t -> t
166+
167+ val of_seq : elt Seq .t -> t
168+
169+ val of_list : elt list -> t
170+
171+ val to_list : t -> elt list
172+
173+ val hash : t -> int
174+
175+ val to_int : t -> int
176+
177+ val equal : t -> t -> bool
178+
179+ val compare : t -> t -> int
180+
181+ val get_symbols : t -> Symbol .t list
182+ end
90183 end )
91184
92185let unop = raw_unop
@@ -101,7 +194,7 @@ let cvtop = raw_cvtop
101194
102195let naryop = raw_naryop
103196
104- let extract ~high ~low = raw_extract ~high ~low
197+ let extract t ~high ~low = raw_extract t ~high ~low
105198
106199let concat = raw_concat
107200
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