pkg/front_end/testcases/patterns/switch_variables.dart

// Copyright (c) 2023, the Dart project authors.  Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.

method(o) {
  switch (o) {
    case String a:
      print(a);
      break;
    case int a:
      print(a);
      break;
  }
}