Module V.I
val (<$>) : ('a -> 'b) -> 'a Option.Applicative.t -> 'b Option.Applicative.tval (<@>) : 'a Option.Applicative.t -> ('a -> 'b) -> 'b Option.Applicative.tval (<*>) : ('a -> 'b) Option.Applicative.t -> 'a Option.Applicative.t -> 'b Option.Applicative.t