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