ToString</span></code> and <code class="language-c++ highlighter-rouge"><span class="n">stringToChar</span></code> functions.</li>
      <li>In a similar vein, the integer 5 is a distinct beast from the digit character '5' or the string "5". Take care to express the type carefully to match your intentions.</li>
      <li>Our <a href="https://docs.google.com/document/d/12cXSV84N9lhU-4tsdEmNJRlSBcwwDpsaAePWP15RUjU/">guide to C++ strings</a></li>
    </ul>
  </li>
  <li>CS106B has a library of useful functions