boost/noncopyable.hpp

   1 //  Boost noncopyable.hpp header file  --------------------------------------//
   2
   3 //  (C) Copyright Beman Dawes 1999-2003. Distributed under the Boost
   4 //  Software License, Version 1.0. (See accompanying file
   5 //  LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
   6
   7 //  See http://www.boost.org/libs/utility for documentation.
   8
   9 #ifndef BOOST_NONCOPYABLE_HPP_INCLUDED
  10 #define BOOST_NONCOPYABLE_HPP_INCLUDED
  11
  12 namespace boost {
  13
  14 //  Private copy constructor and copy assignment ensure classes derived from
  15 //  class noncopyable cannot be copied.
  16
  17 //  Contributed by Dave Abrahams
  18
  19 namespace noncopyable_  // protection from unintended ADL
  20 {
  21   class noncopyable
  22   {
  23    protected:
  24       noncopyable() {}
  25       ~noncopyable() {}
  26    private:  // emphasize the following members are private
  27       noncopyable( const noncopyable& );
  28       const noncopyable& operator=( const noncopyable& );
  29   };
  30 }
  31
  32 typedef noncopyable_::noncopyable noncopyable;
  33
  34 } // namespace boost
  35
  36 #endif  // BOOST_NONCOPYABLE_HPP_INCLUDED