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by romka2
2634 days ago
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Yep, every string is potentially an allocation (unless it's short and std::string implements Small String Optimization) plus O(log N) allocations by the vector itself. C++11 didn't make returning the vector in this function faster because it's written in a way to take advantage of RVO. It did make growing the vector faster though -- individual strings now get moved instead of copied. |
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