1 // Copyright (C) 2003, Fernando Luis Cacciola Carballal.

     2 //

     3 // Distributed under the Boost Software License, Version 1.0.

     4 // (See accompanying file LICENSE_1_0.txt or copy at

     5 // http://www.boost.org/LICENSE_1_0.txt)

     6 //

     7 // See http://www.boost.org/libs/optional for documentation.

     8 //

     9 // You are welcome to contact the author at:

    10 //  fernando_cacciola@hotmail.com

    11 //

    12 #ifndef BOOST_NONE_17SEP2003_HPP

    13 #define BOOST_NONE_17SEP2003_HPP

    14 

    15 #include "boost/none_t.hpp"

    16 

    17 // NOTE: Borland users have to include this header outside any precompiled headers

    18 // (bcc<=5.64 cannot include instance data in a precompiled header)

    19 //  -- * To be verified, now that there's no unnamed namespace

    20 

    21 namespace boost {

    22 

    23 none_t const none = ((none_t)0) ;

    24 

    25 } // namespace boost

    26 

    27 #endif

    28