toString override in C++

Question

(This question already has answers here): question from:https://stackoverflow.com/questions/5171739/tostring-override-in-c

Answer 1

std::ostream & operator<<(std::ostream & Str, Object const & v) { 
  // print something from v to str, e.g: Str << v.getX();
  return Str;
}

If you write this in a header file, remember to mark the function inline: inline std::ostream & operator<<(... (See the C++ Super-FAQ for why.)