Dart switch on type

switchOnType.dart

class Cat {
  String meow() => 'meow';
}

String foo(dynamic a) {
  switch (a.runtimeType) {
    case String:
      return 'str';
    case int:
      return 'int';
    case Cat:
      return a.meow();
    default:
      return 'unknown';
  }
}

void main() {
  print(foo('abc')); // 'str' ✅
  print(foo(42)); // 'int' ✅
  print(foo(Cat())); // 'meow' ✅

  // prints 'yes' ✅
  switch (Symbol("foo").toString()) {
    case 'Symbol("foo")':
      print("yes");
      break;
    default:
      print("no");
  }
}