#ifndef BOOST_METAPARSE_V1_UTIL_IS_LCASE_LETTER_HPP #define BOOST_METAPARSE_V1_UTIL_IS_LCASE_LETTER_HPP // Copyright Abel Sinkovics (abel@sinkovics.hu) 2009 - 2010. // 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) #include <boost/metaparse/v1/util/in_range_c.hpp> #include <boost/mpl/vector.hpp> namespace boost { namespace metaparse { namespace v1 { namespace util { template <class C = boost::mpl::na> struct is_lcase_letter : in_range_c<char, 'a', 'z'>::apply<C> {}; template <> struct is_lcase_letter<boost::mpl::na> { typedef is_lcase_letter type; template <class C = boost::mpl::na> struct apply : is_lcase_letter<C> {}; }; } } } } #endif