1 files changed, 0 insertions, 46 deletions
diff --git a/sources/scala/ImmutableSet.scala b/sources/scala/ImmutableSet.scala
deleted file mode 100644
index 7e59d8dbaf..0000000000
--- a/sources/scala/ImmutableSet.scala
+++ /dev/null
@@ -1,46 +0,0 @@
-/*                     __                                               *\
-**     ________ ___   / /  ___     Scala API                            **
-**    / __/ __// _ | / /  / _ |    (c) 2003, LAMP/EPFL                  **
-**  __\ \/ /__/ __ |/ /__/ __ |                                         **
-** /____/\___/_/ |_/____/_/ | |                                         **
-**                          |/                                          **
-** $Id$
-\*                                                                      */
-
-package scala;
-
-
-trait ImmutableSet[A, This <: ImmutableSet[A, This]]: This with Set[A] {
-
-    def add(elem: A): This;
-
-    def addAll(elems: A*): This = addSet(elems);
-
-    def addSet(that: Iterable[A]): This = {
-        var res = this;
-        that.elements.foreach(elem => res = res.add(elem));
-        res;
-    }
-
-    def remove(elem: A): This;
-
-    def removeAll(elems: A*): This = removeSet(elems);
-
-    def removeSet(that: Iterable[A]): This = {
-        var res = this;
-        that.elements.foreach(elem => res = res.remove(elem));
-        res;
-    }
-
-    def intersect(that: Set[A]): This = filter(that.contains);
-
-    def clear: This;
-
-    def filter(p: A => Boolean): This = {
-        var res = this;
-        toList foreach {
-            elem => if (p(elem)) { res = res.remove(elem); }
-        }
-        res;
-    }
-}