/usr/include/thunderbird/mozilla/Array.h is in thunderbird-dev 1:52.8.0-1~deb8u1.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 | /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
/* A compile-time constant-length array with bounds-checking assertions. */
#ifndef mozilla_Array_h
#define mozilla_Array_h
#include "mozilla/Assertions.h"
#include "mozilla/Attributes.h"
#include "mozilla/Move.h"
#include "mozilla/ReverseIterator.h"
#include <stddef.h>
namespace mozilla {
template<typename T, size_t Length>
class Array
{
T mArr[Length];
public:
Array() {}
template <typename... Args>
MOZ_IMPLICIT Array(Args&&... aArgs)
: mArr{mozilla::Forward<Args>(aArgs)...}
{
static_assert(sizeof...(aArgs) == Length,
"The number of arguments should be equal to the template parameter Length");
}
T& operator[](size_t aIndex)
{
MOZ_ASSERT(aIndex < Length);
return mArr[aIndex];
}
const T& operator[](size_t aIndex) const
{
MOZ_ASSERT(aIndex < Length);
return mArr[aIndex];
}
typedef T* iterator;
typedef const T* const_iterator;
typedef ReverseIterator<T*> reverse_iterator;
typedef ReverseIterator<const T*> const_reverse_iterator;
// Methods for range-based for loops.
iterator begin() { return mArr; }
const_iterator begin() const { return mArr; }
const_iterator cbegin() const { return begin(); }
iterator end() { return mArr + Length; }
const_iterator end() const { return mArr + Length; }
const_iterator cend() const { return end(); }
// Methods for reverse iterating.
reverse_iterator rbegin() { return reverse_iterator(end()); }
const_reverse_iterator rbegin() const { return const_reverse_iterator(end()); }
const_reverse_iterator crbegin() const { return rbegin(); }
reverse_iterator rend() { return reverse_iterator(begin()); }
const_reverse_iterator rend() const { return const_reverse_iterator(begin()); }
const_reverse_iterator crend() const { return rend(); }
};
template<typename T>
class Array<T, 0>
{
public:
T& operator[](size_t aIndex)
{
MOZ_CRASH("indexing into zero-length array");
}
const T& operator[](size_t aIndex) const
{
MOZ_CRASH("indexing into zero-length array");
}
};
} /* namespace mozilla */
#endif /* mozilla_Array_h */
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