1  val nel = 2 <:: 4 <:: 3.wrapNel                  //> nel : scalaz.NonEmptyList[Int] = NonEmptyList(2, 4, 3)
2  val snel = "one" <:: "two" <:: "three".wrapNel   //> snel : scalaz.NonEmptyList[String] = NonEmptyList(one, two, three)
3  nel.list                                         //> res17: List[Int] = List(2, 4, 3)
4  snel.list                                        //> res18: List[String] = List(one, two, three)