pkg/front_end/testcases/patterns/prefixed_extractor_pattern_with_type_args_inside_null_assert.dart

// Copyright (c) 2022, 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.

import 'dart:async' as async;

test(dynamic x) {
  switch (x) {
    case async.Future<int>()!:
      break;
  }
}