// @dart = 2.9 | |
class A { | |
const A(); | |
} | |
mixin B { | |
static const int value = 1; | |
} | |
class C1 extends A with B { | |
const C1(); | |
} | |
class C2 = A with B; | |
class C3 extends C2 { | |
const C3(); | |
} | |
mixin D { | |
int value = 1; | |
} | |
class E1 extends A with D { | |
const E1(); | |
} | |
class E2 = A with D; | |
class E3 extends E2 { | |
const E3(); | |
} | |
main() {} |