text: 
  #ifndef BOOST_MPL_BOOL_HPP_INCLUDED
  #define BOOST_MPL_BOOL_HPP_INCLUDED
  
  // Copyright Aleksey Gurtovoy 2000-2004
  //
  // Distributed under 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)
  //
  // See http://www.boost.org/libs/mpl for documentation.
  
  // $Source: /cvsroot/boost/boost/boost/mpl/bool.hpp,v $
  // $Date: 2004/09/26 09:54:25 $
  // $Revision: 1.6 $
  
  #include <boost/mpl/bool_fwd.hpp>
  #include <boost/mpl/integral_c_tag.hpp>
  #include <boost/mpl/aux_/config/static_constant.hpp>
  
  BOOST_MPL_AUX_ADL_BARRIER_NAMESPACE_OPEN
  
  template< bool C_ > struct bool_
  {
      BOOST_STATIC_CONSTANT(bool, value = C_);
      typedef integral_c_tag tag;
      typedef bool_ type;
      typedef bool value_type;
      operator bool() const { return this->value; }
  };
  
  #if !defined(BOOST_NO_INCLASS_MEMBER_INITIALIZATION)
  template< bool C_ >
  bool const bool_<C_>::value;
  #endif
  
  BOOST_MPL_AUX_ADL_BARRIER_NAMESPACE_CLOSE
  
  #endif // BOOST_MPL_BOOL_HPP_INCLUDED
  