#if BOOST_WORKAROUND(__IBMCPP__, >= 500) && BOOST_WORKAROUND(__IBMCPP__, < 800)
# if BOOST_FUNCTION_MAX_ARGS >= 0
# include <boost/function/function0.hpp>
#if BOOST_WORKAROUND(__IBMCPP__, >= 500) && BOOST_WORKAROUND(__IBMCPP__, < 800)
# if BOOST_FUNCTION_MAX_ARGS >= 0
# include <boost/function/function0.hpp>