include Set.S with type elt = t
Sourceval is_subset : t -> of_:t -> bool Sourceval fold : t -> init:'a -> f:(elt -> 'a -> 'a) -> 'a Sourceval of_list_map : 'a list -> f:('a -> elt) -> t Sourceval union_map : 'a list -> f:('a -> t) -> t Sourceval of_listing : dir:elt -> filenames:string list -> t