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Diffstat (limited to 'boost/metaparse/v1/impl/one_of.hpp')
-rw-r--r-- | boost/metaparse/v1/impl/one_of.hpp | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/boost/metaparse/v1/impl/one_of.hpp b/boost/metaparse/v1/impl/one_of.hpp new file mode 100644 index 0000000000..e5b53e2e5c --- /dev/null +++ b/boost/metaparse/v1/impl/one_of.hpp @@ -0,0 +1,44 @@ +#ifndef BOOST_METAPARSE_V1_IMPL_ONE_OF_HPP +#define BOOST_METAPARSE_V1_IMPL_ONE_OF_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/error/none_of_the_expected_cases_found.hpp> +#include <boost/metaparse/v1/fail.hpp> + +#include <boost/metaparse/v1/impl/one_of_fwd_op.hpp> + +#include <boost/mpl/fold.hpp> + +namespace boost +{ + namespace metaparse + { + namespace v1 + { + namespace impl + { + template <class Parsers> + struct one_of + { + typedef one_of type; + + template <class S, class Pos> + struct apply : + boost::mpl::fold< + Parsers, + fail<error::none_of_the_expected_cases_found>::apply<S, Pos>, + one_of_fwd_op<S, Pos> + >::type + {}; + }; + } + } + } +} + +#endif + |