// Copyright (c) 2019, 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.

void logicalAnd(int? x) {
  x == null && x!.isEven;
}

void logicalOr(int? x) {
  x == null || /*nonNullable*/ x.isEven;
}