|  | // Copyright (c) 2025, 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 main() { | 
|  | test(something: 1.0, other: 1.0); | 
|  | } | 
|  |  | 
|  | void test({double? something, double? other}) { | 
|  | // This asserts prevents the null check below from being removed. | 
|  | assert( | 
|  | (something == null && other == null) || | 
|  | (something != null && other != null), | 
|  | ); | 
|  |  | 
|  | if (something != null) { | 
|  | print(something); | 
|  | // With assertions 'other' will be an unboxed double. Ensure there is no | 
|  | // null check added. | 
|  | print(other!); | 
|  | } | 
|  | } |