/in/foo.cc: In member function 'void CMyMap::print(std::__cxx11::string&)':
/in/foo.cc:83:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for (int i = 0; i < m_name.size(); i++)
                  ~~^~~~~~~~~~~~~~~
/in/foo.cc:93:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for (int i = 0; i < m_address.size(); i++)
                  ~~^~~~~~~~~~~~~~~~~~
/in/foo.cc:98:8: warning: unused variable 'i' [-Wunused-variable]
    int i;
        ^