Does std::string need to store its character in a contiguous piece of memory?

Question

I know that in C++98, neither std::basic_string<> nor std::vector<> were required to use contiguous storage. This was seen as an oversi

Answer 1

The C++11 standard, basic_string 21.4.1.5,

The char-like objects in a basic_string object shall be stored contiguously. That is, for any basic_string object s, the identity &*(s.begin() + n) == &*s.begin() + n shall hold for all values of n such that 0 <= n < s.size().