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3b76c1d27b
MozReview-Commit-ID: 5sdclirTQCV --HG-- extra : rebase_source : 65b8fe4357ee19e858d3ee406495a1c2c3046c90
31 lines
828 B
C++
31 lines
828 B
C++
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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/* A handy class that will allocate data for size*T objects on the stack and
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* otherwise allocate them on the heap. It is similar in purpose to AutoTArray */
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template <class T, size_t size>
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class StackArray
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{
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public:
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explicit StackArray(size_t count) {
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if (count > size) {
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mData = new T[count];
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} else {
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mData = mStackData;
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}
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}
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~StackArray() {
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if (mData != mStackData) {
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delete[] mData;
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}
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}
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T& operator[](size_t n) { return mData[n]; }
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const T& operator[](size_t n) const { return mData[n]; }
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T* data() { return mData; };
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private:
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T mStackData[size];
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T* mData;
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};
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