| 536 | // for compilers that don't support SFINAE. |
| 537 | template<typename Function, typename Functor> |
| 538 | bool |
| 539 | compare_equal(const Function& f, const Functor&, int, true_type) |
| 540 | { return f.empty(); } |
| 541 | |
| 542 | template<typename Function, typename Functor> |
| 543 | bool |
no test coverage detected