gakuzzzz · September 11, 2015 04:56
diff --git a/User.scala b/User.scala
 trait User {
  def present[F[_]](item: Item, targetUser: User)(implicit I: Item[F]) = {
    import I._
    for {
      onwership <- buy(item)
      _         <- targetUser.take(onwership)
    } yield ()
  }
 }
	trait User {
	def present[F[_]](item: Item, targetUser: User)(implicit I: Item[F]) = {
	import I._
	for {
	onwership <- buy(item)
	_ <- targetUser.take(onwership)
	} yield ()
	}
	}