Tree.Named
val is_subset :
comparator:('a, 'cmp) Comparator.t ->
('a, 'cmp) t Base__.Set_intf.Named.t ->
of_:('a, 'cmp) t Base__.Set_intf.Named.t ->
unit Or_error.t
val equal :
comparator:('a, 'cmp) Comparator.t ->
('a, 'cmp) t Base__.Set_intf.Named.t ->
('a, 'cmp) t Base__.Set_intf.Named.t ->
unit Or_error.t