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Diffstat (limited to 'boost/metaparse/v1/cpp11/impl/at_c.hpp')
-rw-r--r-- | boost/metaparse/v1/cpp11/impl/at_c.hpp | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/boost/metaparse/v1/cpp11/impl/at_c.hpp b/boost/metaparse/v1/cpp11/impl/at_c.hpp new file mode 100644 index 0000000000..17332af1f6 --- /dev/null +++ b/boost/metaparse/v1/cpp11/impl/at_c.hpp @@ -0,0 +1,35 @@ +#ifndef BOOST_METAPARSE_V1_CPP11_IMPL_AT_C_HPP +#define BOOST_METAPARSE_V1_CPP11_IMPL_AT_C_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 <boost/metaparse/v1/cpp11/fwd/string.hpp> + +#include <boost/mpl/char.hpp> + +namespace boost +{ + namespace metaparse + { + namespace v1 + { + namespace impl + { + template <class S, int N> + struct at_c; + + template <char C, char... Cs, int N> + struct at_c<string<C, Cs...>, N> : at_c<string<Cs...>, N - 1> {}; + + template <char C, char... Cs> + struct at_c<string<C, Cs...>, 0> : boost::mpl::char_<C> {}; + } + } + } +} + +#endif + |