gistfile1.scala

scala> import scalaz._
import scalaz._

scala> import Scalaz._
import Scalaz._

scala> implicitly[Applicative[Option]]
res0: scalaz.Applicative[Option] = scalaz.Applicative$$anon$1@78b973

scala> val f = ((_: Int) * (_: Int)).curried
f: (Int) => (Int) => Int = <function1>

scala> Some(10) <*> (Some(20) map f) 
<console>:19: error: type mismatch;
 found   : Option[(Int) => Int]
 required: Some[(Int) => ?]
       Some(10) <*> (Some(20) map f)
                              ^

scala> val o1: Option[Int] = Some(10)
o1: Option[Int] = Some(10)

scala> val o2: Option[Int] = Some(20)
o2: Option[Int] = Some(20)

scala> o1 <*> (o2 map f)
res2: Option[Int] = Some(200)