Moving Out

Test your C++ programming skills by solving the given puzzle about the behavior of moved-from objects.

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Puzzle code

Carefully read the code given below:

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

Your task: Guess the output

Try to guess the output of the above code. Attempt the following quiz to assess your understanding.

Q

What is the expected output of the above code?

A)

'Hello, World'

B)

''

C)

Undefined behavior

D)

Compilation error

Let’s discuss this code and output together in the next lesson.

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