1 // Three-state boolean logic library
2 
3 // Copyright Douglas Gregor 2002-2004. Use, modification and
4 // distribution is subject to the Boost Software License, Version
5 // 1.0. (See accompanying file LICENSE_1_0.txt or copy at
6 // http://www.boost.org/LICENSE_1_0.txt)
7 
8 
9 // For more information, see http://www.boost.org
10 #ifndef BOOST_LOGIC_TRIBOOL_FWD_HPP
11 #define BOOST_LOGIC_TRIBOOL_FWD_HPP
12 
13 namespace boost { namespace logic { class tribool; } }
14 
15 #endif // BOOST_LOGIC_TRIBOOL_FWD_HPP
16