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1 // Copyright 2015 The Chromium Authors. All rights reserved. | 1 // Copyright 2015 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 #ifndef CC_BASE_CONTIGUOUS_CONTAINER_H_ | 5 #ifndef CC_BASE_CONTIGUOUS_CONTAINER_H_ |
6 #define CC_BASE_CONTIGUOUS_CONTAINER_H_ | 6 #define CC_BASE_CONTIGUOUS_CONTAINER_H_ |
7 | 7 |
8 #include <stddef.h> | 8 #include <stddef.h> |
9 | 9 |
10 #include <memory> | 10 #include <memory> |
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162 const BaseElementType& first() const { return *begin(); } | 162 const BaseElementType& first() const { return *begin(); } |
163 BaseElementType& last() { return *rbegin(); } | 163 BaseElementType& last() { return *rbegin(); } |
164 const BaseElementType& last() const { return *rbegin(); } | 164 const BaseElementType& last() const { return *rbegin(); } |
165 BaseElementType& operator[](size_t index) { return *(begin() + index); } | 165 BaseElementType& operator[](size_t index) { return *(begin() + index); } |
166 const BaseElementType& operator[](size_t index) const { | 166 const BaseElementType& operator[](size_t index) const { |
167 return *(begin() + index); | 167 return *(begin() + index); |
168 } | 168 } |
169 | 169 |
170 template <class DerivedElementType, typename... Args> | 170 template <class DerivedElementType, typename... Args> |
171 DerivedElementType& AllocateAndConstruct(Args&&... args) { | 171 DerivedElementType& AllocateAndConstruct(Args&&... args) { |
172 static_assert(alignment % ALIGNOF(DerivedElementType) == 0, | 172 static_assert(alignment % alignof(DerivedElementType) == 0, |
173 "Derived type requires stronger alignment."); | 173 "Derived type requires stronger alignment."); |
174 return *new (AlignedAllocate(sizeof(DerivedElementType))) | 174 return *new (AlignedAllocate(sizeof(DerivedElementType))) |
175 DerivedElementType(std::forward<Args>(args)...); | 175 DerivedElementType(std::forward<Args>(args)...); |
176 } | 176 } |
177 | 177 |
178 void RemoveLast() { | 178 void RemoveLast() { |
179 DCHECK(!empty()); | 179 DCHECK(!empty()); |
180 last().~BaseElementType(); | 180 last().~BaseElementType(); |
181 ContiguousContainerBase::RemoveLast(); | 181 ContiguousContainerBase::RemoveLast(); |
182 } | 182 } |
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216 DCHECK_EQ(aligned_size % alignment, 0u); | 216 DCHECK_EQ(aligned_size % alignment, 0u); |
217 DCHECK_GE(aligned_size, size); | 217 DCHECK_GE(aligned_size, size); |
218 DCHECK_LT(aligned_size, size + alignment); | 218 DCHECK_LT(aligned_size, size + alignment); |
219 return aligned_size; | 219 return aligned_size; |
220 } | 220 } |
221 }; | 221 }; |
222 | 222 |
223 } // namespace cc | 223 } // namespace cc |
224 | 224 |
225 #endif // CC_BASE_CONTIGUOUS_CONTAINER_H_ | 225 #endif // CC_BASE_CONTIGUOUS_CONTAINER_H_ |
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