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libs/smart_ptr/example/shared_ptr_example2.cpp

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+// Boost shared_ptr_example2 implementation file  -----------------------------//
+
+//  Copyright Beman Dawes 2001.  Distributed under 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)
+
+
+//  See http://www.boost.org/libs/smart_ptr for documentation.
+
+#include "shared_ptr_example2.hpp"
+#include <iostream>
+
+class example::implementation
+{
+ public:
+  ~implementation() { std::cout << "destroying implementation\n"; }
+};
+
+example::example() : _imp( new implementation ) {}
+
+void example::do_something()
+  { std::cout << "use_count() is " << _imp.use_count() << "\n"; }