// @dart = 2.9 | |
library test; | |
T f<T>() => null; | |
class A {} | |
class B extends A { | |
A operator +(C v) => null; | |
B operator *(B v) => null; | |
B operator -(int i) => null; | |
C operator &(A v) => null; | |
} | |
class Base { | |
B member; | |
} | |
class C extends B {} | |
class Test extends Base { | |
void test() {} | |
} | |
main() {} |