Function function_equal

extern/boost/boost/bind/bind.hpp:1496–1499

# ifndef BOOST_NO_FUNCTION_TEMPLATE_ORDERING

template<class R, class F, class L> bool function_equal( bind_t<R, F, L> const & a, bind_t<R, F, L> const & b )
{
    return a.compare(b);
}

# else