/* Copyright Bruno da Silva de Oliveira 2003. Use, modification and 
 distribution is subject to 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) 
 */
namespace add_test {

struct C
{
    int x;
};

const int get_x(C& c)
{
    return c.x;
}

}
