class C { | |
String m = ""; | |
void set setter(String v) {} | |
void operator []=(int index, String value) {} | |
} | |
extension on ; | |
C; | |
? { void set setter(String v) { this?.m = v; } void operator []=(int index, String value) { this?.m = '$index$value'; } } | |
main() {} | |
expect(expected, actual) {} |