org-dartlang-testcase:///main.dart:
import "foo.dart";
final foo = [Foo.d, Foo.b];
final foo2 = foo.map((f) => f.giveInt).toList();


org-dartlang-testcase:///foo.dart:
enum Foo { a, b, c, d, e, }
extension FooExtension on Foo {
  int get giveInt => 42;
}
extension BarExtension on Bar {
  int get giveInt => 42;
}
class Bar {}