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+#ifndef BOOST_METAPARSE_V1_FIRST_OF_HPP
+#define BOOST_METAPARSE_V1_FIRST_OF_HPP
+
+// Copyright Abel Sinkovics (abel@sinkovics.hu) 2009 - 2010.
+// 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/nth_of.hpp>
+
+namespace boost
+{
+ namespace metaparse
+ {
+ namespace v1
+ {
+ template <
+ BOOST_PP_ENUM_PARAMS_WITH_A_DEFAULT(
+ BOOST_METAPARSE_LIMIT_SEQUENCE_SIZE,
+ class P,
+ boost::mpl::na
+ )
+ >
+ struct first_of :
+ nth_of_c<
+ 0,
+ BOOST_PP_ENUM_PARAMS(BOOST_METAPARSE_LIMIT_SEQUENCE_SIZE, P)
+ >
+ {};
+ }
+ }
+}
+
+#endif
+