How can I improve the performance of strings in C++11?
An example of an AI chatbot conversation about C++11 string performance optimization.
How can I improve the performance of strings in C++11?
You can improve string performance in C++11 by using move semantics, reserving capacity, and avoiding unnecessary copies.
What do you mean by move semantics?
Move semantics allow you to transfer ownership of resources from one object to another, reducing copy overhead.
Can you give an example of using move semantics with strings?
Sure! Instead of copying a string, you can use std::move to transfer it: std::string str2 = std::move(str1);.
What about reserving capacity? How does that help?
Reserving capacity with str.reserve(n) can prevent multiple reallocations when appending, improving performance.
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