. For large state
  machines this often leads to the class having a huge number of data members
  most of which are needed only briefly in a tiny part of the machine. The
  state machine class therefore often becomes a change hotspot what leads to
  frequent recompilations of the whole state machine.</p>

  <p>The FAQ item "<a href="faq.html#StateLocalStorage">What's so cool about
  state-local storage?</a>" further explains this by comparing the tutorial
  StopWatch to a behaviorally equivalent version tha