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by dragontamer
2684 days ago
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Movement semantics actually existed for vector assignment since the original C++98 STL specification. Movement semantics didn't exist in the language per se, but they were supported back then by std::swap and std::auto_ptr. Today, it is far easier to represent movement semantics with RValues, std::move, and std::unique_ptr. But yeah, std::vector's assignment operator was originally at least std::swap based and therefore efficient. |
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