Module SourceFile.HashSet
val add : elt -> t -> unitval remove : elt -> t -> unitval remove_all : elt Iter.t -> t -> unitval iter : t -> elt Iter.tval seq : t -> elt Stdlib.Seq.tval of_seq : elt Stdlib.Seq.t -> tval fold : (elt -> 'a -> 'a) -> t -> 'a -> 'aval mem : t -> elt -> boolval union_into : into:t -> t -> unit