Home | History | Annotate | Download | only in mpl 
      1 
      2 #ifndef BOOST_MPL_NOT_HPP_INCLUDED
      3 #define BOOST_MPL_NOT_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: not.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.hpp>
     18 #include <boost/mpl/aux_/nttp_decl.hpp>
     19 #include <boost/mpl/aux_/nested_type_wknd.hpp>
     20 #include <boost/mpl/aux_/na_spec.hpp>
     21 #include <boost/mpl/aux_/lambda_support.hpp>
     22 
     23 namespace boost { namespace mpl {
     24 
     25 namespace aux {
     26 
     27 template< BOOST_MPL_AUX_NTTP_DECL(long, C_) > // 'long' is intentional here
     28 struct not_impl
     29     : bool_<!C_>
     30 {
     31 };
     32 
     33 } // namespace aux
     34 
     35 
     36 template<
     37       typename BOOST_MPL_AUX_NA_PARAM(T)
     38     >
     39 struct not_
     40     : aux::not_impl<
     41           BOOST_MPL_AUX_NESTED_TYPE_WKND(T)::value
     42         >
     43 {
     44     BOOST_MPL_AUX_LAMBDA_SUPPORT(1,not_,(T))
     45 };
     46 
     47 BOOST_MPL_AUX_NA_SPEC(1,not_)
     48 
     49 }}
     50 
     51 #endif // BOOST_MPL_NOT_HPP_INCLUDED
     52