| /* |
| * Copyright (c) 2018 The WebRTC project authors. All Rights Reserved. |
| * |
| * Use of this source code is governed by a BSD-style license |
| * that can be found in the LICENSE file in the root of the source |
| * tree. An additional intellectual property rights grant can be found |
| * in the file PATENTS. All contributing project authors may |
| * be found in the AUTHORS file in the root of the source tree. |
| */ |
| |
| #ifndef RTC_BASE_SYSTEM_UNUSED_H_ |
| #define RTC_BASE_SYSTEM_UNUSED_H_ |
| |
| // Prevent the compiler from warning about an unused variable. For example: |
| // int result = DoSomething(); |
| // RTC_DCHECK(result == 17); |
| // RTC_UNUSED(result); |
| // Note: In most cases it is better to remove the unused variable rather than |
| // suppressing the compiler warning. |
| #ifndef RTC_UNUSED |
| #ifdef __cplusplus |
| #define RTC_UNUSED(x) static_cast<void>(x) |
| #else |
| #define RTC_UNUSED(x) (void)(x) |
| #endif |
| #endif // RTC_UNUSED |
| |
| #endif // RTC_BASE_SYSTEM_UNUSED_H_ |