title: Specifying a complement to std::to_string()?
body: <p>In C++11, since there is a standard <a href="http://en.cppreference.com/w/cpp/string/basic_string/to_string" rel="nofollow">std::to_string()</a>, I overload this function for enumeration classes and other small data classes where an implementation makes sense.</p>
  
  <p>My question is, what do you implement as a complement to <code>std::to_string()</code>?</p>
  
  <p>Some kind of <code>from_string()</code> (which doesn't exist in std) or is there a more appropriate standard interface you implement throughout your classes?</p>