| bool _inStrongMode() {} | |
| class Class { | |
| Class get next => this; | |
| int field = 0; | |
| int operator [](int key) => key; | |
| void operator []=(int key, int value) {} | |
| } | |
| final bool inStrongMode = _inStrongMode(); | |
| main() {} | |
| test(Class? c) {} | |
| void throwsInStrong(void Function() f) {} |