v1/util/in_range_c.hpp

0001 #ifndef BOOST_METAPARSE_V1_UTIL_IN_RANGE_C_HPP
0002 #define BOOST_METAPARSE_V1_UTIL_IN_RANGE_C_HPP
0003
0004 // Copyright Abel Sinkovics (abel@sinkovics.hu)  2014.
0005 // Distributed under the Boost Software License, Version 1.0.
0006 //    (See accompanying file LICENSE_1_0.txt or copy at
0007 //          http://www.boost.org/LICENSE_1_0.txt)
0008
0009 #include <boost/mpl/bool.hpp>
0010
0011 namespace boost
0012 {
0013   namespace metaparse
0014   {
0015     namespace v1
0016     {
0017       namespace util
0018       {
0019         template <class T, T LowerBound, T UpperBound>
0020         struct in_range_c
0021         {
0022           typedef in_range_c type;
0023
0024           template <class Item>
0025           struct apply :
0026             boost::mpl::bool_<(
0027               LowerBound <= Item::type::value
0028               && Item::type::value <= UpperBound
0029             )>
0030           {};
0031         };
0032       }
0033     }
0034   }
0035 }
0036
0037 #endif
0038