How to properly return std::string (or how to properly use that returned value)?

Your code should work fine. Something else is wrong, that we can't detect from this testcase. Perhaps run your executable through valgrind to search for memory errors.

Well, there's nothing wrong with the code (as I interpret it). It is not optimal and surely not The Right Way (R), you should modify your code like villentehaspam suggests. As it is now, your code makes a copy of the string m_value because you return by value, which is not as good as only returning a const reference.

I cant really gove you an answer,but what I can give you is a way to a solution, that is you have to find the anglde that you relate to or peaks your interest. A good paper is one that people get drawn into because it reaches them ln some way.As for me WW11 to me, I think of the holocaust and the effect it had on the survivors, their families and those who stood by and did nothing until it was too late.