| *%(basename)s:7: TypeError: Cannot write private member #x to an object whose class did not declare it | |
| setX(o, val) { o.#x = val; } | |
| ^ | |
| TypeError: Cannot write private member #x to an object whose class did not declare it | |
| at X.setX (*%(basename)s:7:23) | |
| at *%(basename)s:10:9 |