std::string in a multi-threaded program

Question

Given that:

1) The C++03 standard does not address the existence of threads in any way

2) The C++03 standard leaves it up to implementations to decide whethe

Answer 1

In MSVC, std::string is no longer reference counted shared pointer to a container. They choose to the entire contents by-value in every copy constructor and assignment operator, to avoid multithreading problems.