The Tor Browser / file comparison
comparison: mfbt/Array.h
mfbt/Array.h
- changeset 2
- 7e26c7da4463
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| -1:000000000000 | 0:261861e8157e |
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| 1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ | |
| 2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */ | |
| 3 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 4 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 6 | |
| 7 /* A compile-time constant-length array with bounds-checking assertions. */ | |
| 8 | |
| 9 #ifndef mozilla_Array_h | |
| 10 #define mozilla_Array_h | |
| 11 | |
| 12 #include "mozilla/Assertions.h" | |
| 13 #include "mozilla/Attributes.h" | |
| 14 | |
| 15 #include <stddef.h> | |
| 16 | |
| 17 namespace mozilla { | |
| 18 | |
| 19 template<typename T, size_t Length> | |
| 20 class Array | |
| 21 { | |
| 22 T arr[Length]; | |
| 23 | |
| 24 public: | |
| 25 T& operator[](size_t i) { | |
| 26 MOZ_ASSERT(i < Length); | |
| 27 return arr[i]; | |
| 28 } | |
| 29 | |
| 30 const T& operator[](size_t i) const { | |
| 31 MOZ_ASSERT(i < Length); | |
| 32 return arr[i]; | |
| 33 } | |
| 34 }; | |
| 35 | |
| 36 template<typename T> | |
| 37 class Array<T, 0> | |
| 38 { | |
| 39 public: | |
| 40 T& operator[](size_t i) { | |
| 41 MOZ_ASSUME_UNREACHABLE("indexing into zero-length array"); | |
| 42 } | |
| 43 | |
| 44 const T& operator[](size_t i) const { | |
| 45 MOZ_ASSUME_UNREACHABLE("indexing into zero-length array"); | |
| 46 } | |
| 47 }; | |
| 48 | |
| 49 } /* namespace mozilla */ | |
| 50 | |
| 51 #endif /* mozilla_Array_h */ |
