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(*
* A set datatype that uses hashing
*
* -- Allen
*)
signature HASH_SET =
sig
type 'a set
val create : { order : 'a * 'a -> order,
hash : 'a -> int
} -> int -> 'a set
val size : 'a set -> int
val bucketSize : 'a set -> int
val isEmpty : 'a set -> bool
val insert : 'a set -> 'a -> unit
val remove : 'a set -> 'a -> unit
val toList : 'a set -> 'a list
val clear : 'a set -> unit
val contains : 'a set -> 'a -> bool
val app : ('a -> unit) -> 'a set -> unit
val fold : ('a * 'b -> 'b) -> 'b -> 'a set -> 'b
val toString : ('a -> string) -> 'a set -> string
end
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