[Assorted-commits] SF.net SVN: assorted:[1271] sandbox/trunk/src/cc/rvaluerefs.cc

[<yan...@us...>]

Revision: 1271
          http://assorted.svn.sourceforge.net/assorted/?rev=1271&view=rev
Author:   yangzhang
Date:     2009-03-09 00:27:31 +0000 (Mon, 09 Mar 2009)

Log Message:
-----------
added rvalue ref demo

Added Paths:
-----------
    sandbox/trunk/src/cc/rvaluerefs.cc

Added: sandbox/trunk/src/cc/rvaluerefs.cc
===================================================================
--- sandbox/trunk/src/cc/rvaluerefs.cc	                        (rev 0)
+++ sandbox/trunk/src/cc/rvaluerefs.cc	2009-03-09 00:27:31 UTC (rev 1271)
@@ -0,0 +1,29 @@
+// Demo that in gcc 4.3 rvalue references are not quite up to spec.  In
+// particular, move() doesn't seem to be required anywhere.
+
+struct A {};
+void bar(A &&) {}
+void foo(A &&a) { bar(a); }
+
+struct B {
+  B() : p(0) {}
+  B(B &&b) : p(b.p) {}
+private:
+  void *p;
+  B(const B&);
+};
+
+int main() {
+  {
+    A a;
+    A &&b = a;
+    foo(a);
+    foo(b);
+  }
+  {
+    B a;
+    B b;
+    b = a;
+  }
+  return 0;
+}


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