| // Three-state boolean logic library | |
| // Copyright Douglas Gregor 2002-2004. 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) | |
| // For more information, see http://www.boost.org | |
| #ifndef BOOST_LOGIC_TRIBOOL_FWD_HPP | |
| #define BOOST_LOGIC_TRIBOOL_FWD_HPP | |
| namespace boost { namespace logic { class tribool; } } | |
| #endif // BOOST_LOGIC_TRIBOOL_FWD_HPP |