Const.Optiontype some = ttype t =
(Regionality.Const.t option,
Linearity.Const.t option,
Uniqueness.Const.t option,
Portability.Const.t option,
Contention.Const.t option,
Forkable.Const.t option,
Yielding.Const.t option,
Statefulness.Const.t option,
Visibility.Const.t option,
Staticity.Const.t option)
modesval none : tval print : Format.formatter -> t -> unit