1 // Copyright Daniel Wallin, David Abrahams 2010. Use, modification and
2 // distribution is subject to the Boost Software License, Version 1.0. (See
3 // accompanying file LICENSE_1_0.txt or copy at
4 // http://www.boost.org/LICENSE_1_0.txt)
6 #ifndef BOOST_PARAMETER_IS_MAYBE_050329_HPP
7 #define BOOST_PARAMETER_IS_MAYBE_050329_HPP
9 #include <boost/type_traits/is_base_and_derived.hpp>
19 : is_base_and_derived<maybe_base, T>
23 } // namespace parameter
26 #endif // BOOST_PARAMETER_IS_MAYBE_050329_HPP