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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 // | 4 // |
5 // Defines methods for hashing a pair of integers. | 5 // Defines methods for hashing a pair of integers. |
6 | 6 |
7 #ifndef CC_BASE_HASH_PAIR_H_ | 7 #ifndef CC_BASE_HASH_PAIR_H_ |
8 #define CC_BASE_HASH_PAIR_H_ | 8 #define CC_BASE_HASH_PAIR_H_ |
9 | 9 |
10 #include <utility> | 10 #include <utility> |
11 | 11 |
12 #include "base/basictypes.h" | 12 #include "base/basictypes.h" |
13 #include "base/hash_tables.h" | 13 #include "base/containers/hash_tables.h" |
14 | 14 |
15 #if defined(COMPILER_MSVC) | 15 #if defined(COMPILER_MSVC) |
16 | 16 |
17 #define DEFINE_PAIR_HASH_FUNCTION_START(type1, type2) \ | 17 #define DEFINE_PAIR_HASH_FUNCTION_START(type1, type2) \ |
18 template<> \ | 18 template<> \ |
19 inline std::size_t hash_value<std::pair<type1, type2> >( \ | 19 inline std::size_t hash_value<std::pair<type1, type2> >( \ |
20 const std::pair<type1, type2>& value) | 20 const std::pair<type1, type2>& value) |
21 | 21 |
22 #define DEFINE_PAIR_HASH_FUNCTION_END() | 22 #define DEFINE_PAIR_HASH_FUNCTION_END() |
23 | 23 |
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144 DEFINE_64BIT_PAIR_HASH(uint64, int64); | 144 DEFINE_64BIT_PAIR_HASH(uint64, int64); |
145 DEFINE_64BIT_PAIR_HASH(uint64, uint64); | 145 DEFINE_64BIT_PAIR_HASH(uint64, uint64); |
146 | 146 |
147 #undef DEFINE_64BIT_PAIR_HASH | 147 #undef DEFINE_64BIT_PAIR_HASH |
148 } | 148 } |
149 | 149 |
150 #undef DEFINE_PAIR_HASH_FUNCTION_START | 150 #undef DEFINE_PAIR_HASH_FUNCTION_START |
151 #undef DEFINE_PAIR_HASH_FUNCTION_END | 151 #undef DEFINE_PAIR_HASH_FUNCTION_END |
152 | 152 |
153 #endif // CC_BASE_HASH_PAIR_H_ | 153 #endif // CC_BASE_HASH_PAIR_H_ |
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