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| 1 /* | 1 /* |
| 2 * Copyright 2016 The WebRTC Project Authors. All rights reserved. | 2 * Copyright 2016 The WebRTC Project Authors. All rights reserved. |
| 3 * | 3 * |
| 4 * Use of this source code is governed by a BSD-style license | 4 * Use of this source code is governed by a BSD-style license |
| 5 * that can be found in the LICENSE file in the root of the source | 5 * that can be found in the LICENSE file in the root of the source |
| 6 * tree. An additional intellectual property rights grant can be found | 6 * tree. An additional intellectual property rights grant can be found |
| 7 * in the file PATENTS. All contributing project authors may | 7 * in the file PATENTS. All contributing project authors may |
| 8 * be found in the AUTHORS file in the root of the source tree. | 8 * be found in the AUTHORS file in the root of the source tree. |
| 9 */ | 9 */ |
| 10 | 10 |
| 11 #ifndef WEBRTC_BASE_FUNCTION_VIEW_H_ | 11 #ifndef WEBRTC_RTC_BASE_FUNCTION_VIEW_H_ |
| 12 #define WEBRTC_BASE_FUNCTION_VIEW_H_ | 12 #define WEBRTC_RTC_BASE_FUNCTION_VIEW_H_ |
| 13 | 13 |
| 14 #include <type_traits> | 14 #include <type_traits> |
| 15 #include <utility> | 15 #include <utility> |
| 16 | 16 |
| 17 #include "webrtc/base/checks.h" | 17 #include "webrtc/base/checks.h" |
| 18 | 18 |
| 19 // Just like std::function, FunctionView will wrap any callable and hide its | 19 // Just like std::function, FunctionView will wrap any callable and hide its |
| 20 // actual type, exposing only its signature. But unlike std::function, | 20 // actual type, exposing only its signature. But unlike std::function, |
| 21 // FunctionView doesn't own its callable---it just points to it. Thus, it's a | 21 // FunctionView doesn't own its callable---it just points to it. Thus, it's a |
| 22 // good choice mainly as a function argument when the callable argument will | 22 // good choice mainly as a function argument when the callable argument will |
| (...skipping 97 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 120 VoidUnion f_; | 120 VoidUnion f_; |
| 121 | 121 |
| 122 // Pointer to a dispatch function that knows the type of the callable thing | 122 // Pointer to a dispatch function that knows the type of the callable thing |
| 123 // that's stored in f_, and how to call it. A FunctionView object is empty | 123 // that's stored in f_, and how to call it. A FunctionView object is empty |
| 124 // (null) iff call_ is null. | 124 // (null) iff call_ is null. |
| 125 RetT (*call_)(VoidUnion, ArgT...); | 125 RetT (*call_)(VoidUnion, ArgT...); |
| 126 }; | 126 }; |
| 127 | 127 |
| 128 } // namespace rtc | 128 } // namespace rtc |
| 129 | 129 |
| 130 #endif // WEBRTC_BASE_FUNCTION_VIEW_H_ | 130 #endif // WEBRTC_RTC_BASE_FUNCTION_VIEW_H_ |
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