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diff --git a/src/boost/libs/signals2/example/postconstructor_ex2.cpp b/src/boost/libs/signals2/example/postconstructor_ex2.cpp
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+++ b/src/boost/libs/signals2/example/postconstructor_ex2.cpp
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+// An example of defining a postconstructor for a class which
+// uses boost::signals2::deconstruct as its factory function.
+// This example expands on the basic postconstructor_ex1.cpp example
+// by passing arguments to the constructor and postconstructor.
+//
+// Copyright Frank Mori Hess 2009.
+
+// 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)
+// For more information, see http://www.boost.org
+
+#include <boost/shared_ptr.hpp>
+#include <boost/signals2/deconstruct.hpp>
+#include <iostream>
+#include <sstream>
+#include <string>
+
+namespace bs2 = boost::signals2;
+
+namespace mynamespace
+{
+  class Y
+  {
+  public:
+    /* This adl_postconstruct function will be found
+    via argument-dependent lookup when using boost::signals2::deconstruct. */
+    template<typename T> friend
+      void adl_postconstruct(const boost::shared_ptr<T> &, Y *y, const std::string &text)
+    {
+      y->_text_stream << text;
+    }
+    void print() const
+    {
+      std::cout << _text_stream.str() << std::endl;
+    }
+  private:
+    friend class bs2::deconstruct_access;  // give boost::signals2::deconstruct access to private constructor
+    // private constructor forces use of boost::signals2::deconstruct to create objects.
+    Y(const std::string &text)
+    {
+      _text_stream << text;
+    }
+
+    std::ostringstream _text_stream;
+  };
+}
+
+int main()
+{
+  boost::shared_ptr<mynamespace::Y> y = bs2::deconstruct<mynamespace::Y>("Hello, ").postconstruct("world!");
+  y->print();
+  return 0;
+}