boost/function/function1.hpp

// Boost.Function library
//  Copyright Douglas Gregor 2002-2003. Use, modification and
//  distribution is subject to 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)
// For more information, see http://www.boost.org
#define BOOST_FUNCTION_NUM_ARGS 1
#include <boost/function/detail/maybe_include.hpp>
#undef BOOST_FUNCTION_NUM_ARGS