2 #ifndef BOOST_MPL_BOOL_HPP_INCLUDED
3 #define BOOST_MPL_BOOL_HPP_INCLUDED
5 // + file: boost/mpl/bool.hpp
6 // + last modified: 25/feb/03
8 // Copyright (c) 2000-03
11 // Permission to use, copy, modify, distribute and sell this software
12 // and its documentation for any purpose is hereby granted without fee,
13 // provided that the above copyright notice appears in all copies and
14 // that both the copyright notice and this permission notice appear in
15 // supporting documentation. No representations are made about the
16 // suitability of this software for any purpose. It is provided "as is"
17 // without express or implied warranty.
19 // See http://www.boost.org/libs/mpl for documentation.
21 #include "boost/mpl/aux_/config/static_constant.hpp"
23 namespace boost { namespace mpl {
25 template< bool C_ > struct bool_
27 BOOST_STATIC_CONSTANT(bool, value = C_);
29 typedef bool value_type;
30 operator bool() const { return this->value; }
34 typedef bool_<true> true_;
35 typedef bool_<false> false_;
37 }} // namespace boost::mpl
39 #endif // BOOST_MPL_BOOL_HPP_INCLUDED