LanguageFeatures/nnbd/local_variable_read_A04_t09.dart

/*
 * Copyright (c) 2020, 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.
 */
/**
 * @assertion It is a compile time error to read a local variable when the
 * variable is definitely unassigned unless the variable is non-final, and
 * non-late, and has nullable type.
 *
 * @description Checks that it's not an error to read definitely unassigned
 * local non-final non-late variable which has a nullable type
 *
 * @author sgrekhov@unipro.ru
 */
// Requirements=nnbd-strong
import "../../Utils/expect.dart";

main() {
  int? x1;
  Expect.isNull(x1);
}