Switching to the new build system and to the ne...

Switching to the new build system and to the new build system. This is a
MAJOR commit, so be careful when updating.

1 files changed, 53 insertions, 0 deletions

diff --git a/src/library/scala/collection/mutable/MapProxy.scala b/src/library/scala/collection/mutable/MapProxy.scala
new file mode 100644
index 0000000000..8081e3a66a
--- /dev/null
+++ b/src/library/scala/collection/mutable/MapProxy.scala
@@ -0,0 +1,53 @@
+/*                     __                                               *\
+**     ________ ___   / /  ___     Scala API                            **
+**    / __/ __// _ | / /  / _ |    (c) 2003, LAMP/EPFL                  **
+**  __\ \/ /__/ __ |/ /__/ __ |                                         **
+** /____/\___/_/ |_/____/_/ | |                                         **
+**                          |/                                          **
+** $Id$
+\*                                                                      */
+
+package scala.collection.mutable;
+
+
+/** This is a simple wrapper class for <code>scala.collection.mutable.Map</code>.
+ *  It is most useful for assembling customized map abstractions
+ *  dynamically using object composition and forwarding.
+ *
+ *  @author  Matthias Zenger
+ *  @version 1.0, 21/07/2003
+ */
+trait MapProxy[A, B] extends Map[A, B] with scala.collection.MapProxy[A, B] {
+
+    def self: Map[A, B];
+
+    def update(key: A, value: B): Unit = self.update(key, value);
+
+    override def ++=(map: Iterable[Pair[A, B]]): Unit = self ++= map;
+
+    override def ++=(it: Iterator[Pair[A, B]]): Unit = self ++= it;
+
+    override def incl(mappings: Pair[A, B]*): Unit = self ++= mappings;
+
+    def -=(key: A): Unit = self -= key;
+
+    override def --=(keys: Iterable[A]): Unit = self --= keys;
+
+    override def --=(it: Iterator[A]): Unit = self --= it;
+
+    override def excl(keys: A*): Unit = self --= keys;
+
+    override def clear: Unit = self.clear;
+
+    override def map(f: (A, B) => B): Unit = self.map(f);
+
+    override def filter(p: (A, B) => Boolean): Unit = self.filter(p);
+
+    override def toString() = self.toString();
+
+    override def mappingToString(p: Pair[A, B]) = self.mappingToString(p);
+
+    override def <<(cmd: Message[Pair[A, B]]): Unit = self << cmd;
+
+    override def clone(): Map[A, B] = new MapProxy[A, B] { def self = MapProxy.this.self.clone() }
+}