#include <boost/callable_traits/detail/config.hpp>
#ifdef BOOST_CLBL_TRTS_DISABLE_REFERENCE_QUALIFIERS
int main(){ return 0; }
#else
#include <type_traits>
#include <boost/callable_traits/is_reference_member.hpp>
namespace ct = boost::callable_traits;
static_assert(ct::is_reference_member<int()&>::value, "");
static_assert(ct::is_reference_member<int()&&>::value, "");
static_assert(!ct::is_reference_member<int()>::value, "");
struct foo;
static_assert(ct::is_reference_member<int(foo::*)()&>::value, "");
static_assert(ct::is_reference_member<int(foo::*)()&&>::value, "");
static_assert(!ct::is_reference_member<int(foo::*)()>::value, "");
int main() {}
#endif