val is_subset :
comparator:('a, 'cmp) Base__.Comparator.t ->
('a, 'cmp) t Base__Set_intf.Named.t ->
of_:('a, 'cmp) t Base__Set_intf.Named.t ->
(unit, Base__.Info.t) result
val equal :
comparator:('a, 'cmp) Base__.Comparator.t ->
('a, 'cmp) t Base__Set_intf.Named.t ->
('a, 'cmp) t Base__Set_intf.Named.t ->
(unit, Base__.Info.t) result