Initial data commit

Task/Permutations/Scala/permutations-1.scala

@@ -0,0 +1 @@
+List(1, 2, 3).permutations.foreach(println)

Task/Permutations/Scala/permutations-2.scala

@@ -0,0 +1,11 @@
+  def permutations[T]: List[T] => Traversable[List[T]] = {
+    case Nil => List(Nil)
+    case xs => {
+      for {
+        (x, i) <- xs.zipWithIndex
+        ys <- permutations(xs.take(i) ++ xs.drop(1 + i))
+      } yield {
+        x :: ys
+      }
+    }
+  }