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C++ Brain Teasers: Exercise Your Mind

Discussion: Moving Out

Explore the behavior of moved-from objects in C++ and understand the guarantees provided by the standard library, especially for std::string. Learn how move constructors work and discover best practices to ensure objects remain in a valid and safe state after being moved.

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Run the code

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C++ 17
#include <iostream>
#include <string>
int main()
{
    std::string hello{"Hello, World!"};
    std::string other(std::move(hello));
    std::cout << "'" << hello << "'";
}

Understanding the output

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