Merge commit '4ebe6417a5fce5f0994fc0c31bebf732be96a07c' as 'boost'

boost/libs/iterator/example/node_iterator1.cpp

@@ -0,0 +1,34 @@
+// Copyright David Abrahams 2004. Use, modification and distribution is
+// subject to the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+
+#include "node_iterator1.hpp"
+#include <string>
+#include <memory>
+#include <iostream>
+#include <algorithm>
+#include <functional>
+
+int main()
+{
+    std::auto_ptr<node<int> > nodes(new node<int>(42));
+    nodes->append(new node<std::string>(" is greater than "));
+    nodes->append(new node<int>(13));
+
+    std::copy(
+        node_iterator(nodes.get()), node_iterator()
+      , std::ostream_iterator<node_base>(std::cout, " ")
+    );
+    std::cout << std::endl;
+    
+    std::for_each(
+        node_iterator(nodes.get()), node_iterator()
+      , std::mem_fun_ref(&node_base::double_me)
+    );
+
+    std::copy(
+        node_iterator(nodes.get()), node_iterator()
+      , std::ostream_iterator<node_base>(std::cout, "/")
+    );
+    std::cout << std::endl;
+}