import "package:expect/expect.dart";

class A {
  const A(this.y);
  final int y;
}

class B extends A {
  const B(int x) : super(x);
}

class C extends A {
  const C() : super(100);
  @override
  final int y = 2;
}

const var1 = fn();
const var2 = fn2();
const var3 = const A(1).y;
const var4 = fn4();
const var5 = fn5();
int fn() => const A(1).y;
int fn2() {}
int fn4() => const B(1).y;
int fn5() => const C().y;
void main() {}