The answer shouldn't be supplied in an example. (#30)

src/main/scala/shapeless/PolyExercises.scala

@@ -33,14 +33,7 @@ object PolyExercises extends FlatSpec with Matchers with org.scalaexercises.defi
  }

  /** Being polymorphic, they may be passed as arguments to functions or methods and then applied to values of different types
    * within those functions,
    *
    * {{{
    * scala> def pairApply(f: Set ~> Option) = (f(Set(1, 2, 3)), f(Set('a', 'b', 'c')))
    * pairApply: (f: shapeless.poly.~>[Set,Option])(Option[Int], Option[Char])
    * scala> pairApply(choose)
    * res2: (Option[Int], Option[Char]) = (Some(1),Some(a))
    * }}}
    * within those functions
    */
  def exercisePairApply(res0: Option[Int], res1: Option[Char]) = {
    def pairApply(f: Set ~> Option) = (f(Set(1, 2, 3)), f(Set('a', 'b', 'c')))