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+#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
+