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1 /* | 1 /* |
2 * Copyright (c) 2013 The WebRTC project authors. All Rights Reserved. | 2 * Copyright (c) 2013 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 // Borrowed from Chromium's src/base/template_util.h. | 11 // Borrowed from Chromium's src/base/template_util.h. |
12 | 12 |
13 #ifndef WEBRTC_BASE_TEMPLATE_UTIL_H_ | 13 #ifndef WEBRTC_RTC_BASE_TEMPLATE_UTIL_H_ |
14 #define WEBRTC_BASE_TEMPLATE_UTIL_H_ | 14 #define WEBRTC_RTC_BASE_TEMPLATE_UTIL_H_ |
15 | 15 |
16 #include <stddef.h> // For size_t. | 16 #include <stddef.h> // For size_t. |
17 | 17 |
18 namespace rtc { | 18 namespace rtc { |
19 | 19 |
20 // Template definitions from tr1. | 20 // Template definitions from tr1. |
21 | 21 |
22 template<class T, T v> | 22 template<class T, T v> |
23 struct integral_constant { | 23 struct integral_constant { |
24 static const T value = v; | 24 static const T value = v; |
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117 | 117 |
118 template <typename T> | 118 template <typename T> |
119 struct is_class | 119 struct is_class |
120 : integral_constant<bool, | 120 : integral_constant<bool, |
121 sizeof(internal::IsClassHelper::Test<T>(0)) == | 121 sizeof(internal::IsClassHelper::Test<T>(0)) == |
122 sizeof(internal::YesType)> { | 122 sizeof(internal::YesType)> { |
123 }; | 123 }; |
124 | 124 |
125 } // namespace rtc | 125 } // namespace rtc |
126 | 126 |
127 #endif // WEBRTC_BASE_TEMPLATE_UTIL_H_ | 127 #endif // WEBRTC_RTC_BASE_TEMPLATE_UTIL_H_ |
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