val is_subset :
Core_kernel__.Time_float0.Ofday.Set.Tree.named ->
of_:Core_kernel__.Time_float0.Ofday.Set.Tree.named ->
unit Base__.Or_error.t
val equal :
Core_kernel__.Time_float0.Ofday.Set.Tree.named ->
Core_kernel__.Time_float0.Ofday.Set.Tree.named ->
unit Base__.Or_error.t