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