1 
2 #ifndef BOOST_MPL_BOOL_HPP_INCLUDED
3 #define BOOST_MPL_BOOL_HPP_INCLUDED
4 
5 // Copyright Aleksey Gurtovoy 2000-2004
6 //
7 // Distributed under the Boost Software License, Version 1.0.
8 // (See accompanying file LICENSE_1_0.txt or copy at
9 // http://www.boost.org/LICENSE_1_0.txt)
10 //
11 // See http://www.boost.org/libs/mpl for documentation.
12 
13 // $Id: bool.hpp 49267 2008-10-11 06:19:02Z agurtovoy $
14 // $Date: 2008-10-10 23:19:02 -0700 (Fri, 10 Oct 2008) $
15 // $Revision: 49267 $
16 
17 #include <boost/mpl/bool_fwd.hpp>
18 #include <boost/mpl/integral_c_tag.hpp>
19 #include <boost/mpl/aux_/config/static_constant.hpp>
20 
21 BOOST_MPL_AUX_ADL_BARRIER_NAMESPACE_OPEN
22 
23 template< bool C_ > struct bool_
24 {
25     BOOST_STATIC_CONSTANT(bool, value = C_);
26     typedef integral_c_tag tag;
27     typedef bool_ type;
28     typedef bool value_type;
operator boolbool_29     operator bool() const { return this->value; }
30 };
31 
32 #if !defined(BOOST_NO_INCLASS_MEMBER_INITIALIZATION)
33 template< bool C_ >
34 bool const bool_<C_>::value;
35 #endif
36 
37 BOOST_MPL_AUX_ADL_BARRIER_NAMESPACE_CLOSE
38 
39 #endif // BOOST_MPL_BOOL_HPP_INCLUDED
40