type ('a, 'b) t = ('a, 'b) Stdlib.MoreLabels.Hashtbl.t
val hash : 'a -> intval create : ?random:bool -> int -> ('a, 'b) tval reset : ('a, 'b) t -> unitval remove : ('a, _) t -> 'a -> unitval length : (_, _) t -> intval iter : ('a, 'b) t -> f:(key:'a -> data:'b -> unit) -> unitval replace : ('a, 'b) t -> key:'a -> data:'b -> unitval add : ('a, 'b) t -> 'a -> 'b -> unitval find : ('a, 'b) t -> 'a -> 'b optionval find_exn : ('a, 'b) t -> 'a -> 'bval find_or_add : ('a, 'b) t -> 'a -> f:('a -> 'b) -> 'bval fold : ('a, 'b) t -> init:'c -> f:('b -> 'c -> 'c) -> 'cval foldi : ('a, 'b) t -> init:'c -> f:('a -> 'b -> 'c -> 'c) -> 'cval mem : ('a, _) t -> 'a -> boolval keys : ('a, _) t -> 'a listval to_sexp : ('a -> Sexp.t) -> ('b -> Sexp.t) -> ('a, 'b) t -> Sexp.t