sig
type ('a, 'b) t
val sexp_of_t :
('a -> Sexplib.Sexp.t) ->
('b -> Sexplib.Sexp.t) -> ('a, 'b) Fast_hashtbl.t -> Sexplib.Sexp.t
val create : int -> ('a, 'b) Fast_hashtbl.t
val clear : ('a, 'b) Fast_hashtbl.t -> unit
val add : ('a, 'b) Fast_hashtbl.t -> key:'a -> data:'b -> unit
val find_exn : ('a, 'b) Fast_hashtbl.t -> 'a -> 'b
val find : ('a, 'b) Fast_hashtbl.t -> 'a -> 'b option
val mem : ('a, 'b) Fast_hashtbl.t -> 'a -> bool
val remove : ('a, 'b) Fast_hashtbl.t -> 'a -> unit
val replace : ('a, 'b) Fast_hashtbl.t -> key:'a -> data:'b -> unit
val iter : f:(key:'a -> data:'b -> unit) -> ('a, 'b) Fast_hashtbl.t -> unit
val fold :
f:(key:'a -> data:'b -> 'c -> 'c) ->
('a, 'b) Fast_hashtbl.t -> init:'c -> 'c
val length : ('a, 'b) Fast_hashtbl.t -> int
end