Is there anytthing different with the size() and length() of std::string

Question

Possible Duplicate:
std::string length() and size() member functions

In my opinion size() and length() both mean the length of characters stored in the string.Is there anyting different with them.

Answer 1

No. They are identical. See C++11, 21.4.4/3:

size_type length() const noexcept;

Returns: size().