1 #ifndef BOOST_METAPARSE_V1_UTIL_DIGIT_TO_INT_C_HPP
2 #define BOOST_METAPARSE_V1_UTIL_DIGIT_TO_INT_C_HPP
4 // Copyright Abel Sinkovics (abel@sinkovics.hu) 2013.
5 // Distributed under the Boost Software License, Version 1.0.
6 // (See accompanying file LICENSE_1_0.txt or copy at
7 // http://www.boost.org/LICENSE_1_0.txt)
9 #include <boost/metaparse/v1/error/digit_expected.hpp>
11 #include <boost/mpl/int.hpp>
22 struct digit_to_int_c : error::digit_expected {};
24 template <> struct digit_to_int_c<'0'> : boost::mpl::int_<0> {};
25 template <> struct digit_to_int_c<'1'> : boost::mpl::int_<1> {};
26 template <> struct digit_to_int_c<'2'> : boost::mpl::int_<2> {};
27 template <> struct digit_to_int_c<'3'> : boost::mpl::int_<3> {};
28 template <> struct digit_to_int_c<'4'> : boost::mpl::int_<4> {};
29 template <> struct digit_to_int_c<'5'> : boost::mpl::int_<5> {};
30 template <> struct digit_to_int_c<'6'> : boost::mpl::int_<6> {};
31 template <> struct digit_to_int_c<'7'> : boost::mpl::int_<7> {};
32 template <> struct digit_to_int_c<'8'> : boost::mpl::int_<8> {};
33 template <> struct digit_to_int_c<'9'> : boost::mpl::int_<9> {};