#ifndef BOOST_METAPARSE_V1_IMPL_EMPTY_STRING_HPP #define BOOST_METAPARSE_V1_IMPL_EMPTY_STRING_HPP // Copyright Abel Sinkovics (abel@sinkovics.hu) 2013. // 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 namespace boost { namespace metaparse { namespace v1 { namespace impl { template struct empty_string { typedef empty_string type; #ifdef BOOST_NO_CONSTEXPR_C_STR static const char value[1]; #else static constexpr char value[1] = {0}; #endif }; #ifdef BOOST_NO_CONSTEXPR_C_STR template const char empty_string::value[1] = {0}; #else template constexpr char empty_string::value[1]; #endif } } } } #endif