var list1 = List<int>.generate(10, (i) => i);
var list2 = List<int>.generate(10, (i) => i, growable: true);
var list3 = List<int>.generate(10, (i) => i, growable: false);
var list4 = List<int>.generate(10, (i) => i, growable: someGrowable);
bool someGrowable = true;
void main() {}
