1 files changed, 0 insertions, 36 deletions
diff --git a/docs/examples/patterns.scala b/docs/examples/patterns.scala
deleted file mode 100644
index 738deabc66..0000000000
--- a/docs/examples/patterns.scala
+++ /dev/null
@@ -1,36 +0,0 @@
-package examples
-
-object patterns {
-
-  trait Tree
-  case class Branch(left: Tree, right: Tree) extends Tree
-  case class Leaf(x: Int) extends Tree
-
-  val tree1 = Branch(Branch(Leaf(1), Leaf(2)), Branch(Leaf(3), Leaf(4)))
-
-  def sumLeaves(t: Tree): Int = t match {
-    case Branch(l, r) => sumLeaves(l) + sumLeaves(r)
-    case Leaf(x) => x
-  }
-
-  def find[a,b](it: Iterator[Pair[a, b]], x: a): Option[b] = {
-    var result: Option[b] = None
-    var found = false
-    while (it.hasNext && !found) {
-      val Pair(x1, y) = it.next
-      if (x == x1) { found = true; result = Some(y) }
-    }
-    result
-  }
-
-  def printFinds[a](xs: List[Pair[a, String]], x: a) =
-    find(xs.iterator, x) match {
-      case Some(y) => System.out.println(y)
-      case None => System.out.println("no match")
-    }
-
-  def main(args: Array[String]) {
-    println("sum of leafs=" + sumLeaves(tree1))
-    printFinds(List(Pair(3, "three"), Pair(4, "four")), 4)
-  }
-}