Module Common2.StringSet

type elt = string
type t
val empty : t
val add : string -> t -> t
val remove : string -> t -> t
val singleton : string -> t
val of_list : string list -> t
val to_list : t -> string list
val is_empty : t -> bool
val mem : string -> t -> bool
val union : t -> t -> t
val inter : t -> t -> t
val diff : t -> t -> t
val subset : t -> t -> bool
val equal : t -> t -> bool
val compare : t -> t -> int
val iter : (string -> unit) -> t -> unit
val fold : (string -> 'a -> 'a) -> t -> 'a -> 'a
val for_all : (string -> bool) -> t -> bool
val exists : (string -> bool) -> t -> bool
val filter : (string -> bool) -> t -> t
val partition : (string -> bool) -> t -> t * t
val cardinal : t -> int
val elements : t -> string list
val choose : t -> string
val split : string -> t -> t * bool * t