Boost C++ Libraries of the most highly regarded and expertly designed C++ library projects in the world. Herb Sutter and Andrei Alexandrescu, C++ Coding Standards

This is the documentation for an old version of Boost. Click here to view this page for the latest version.


// 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

//  See for documentation.

#include "shared_ptr_example2.hpp"
#include <iostream>

class example::implementation
  ~implementation() { std::cout << "destroying implementation\n"; }

example::example() : _imp( new implementation ) {}

void example::do_something()
  { std::cout << "use_count() is " << _imp.use_count() << "\n"; }