hat some libraries an application
  depends on cannot be recompiled easily. This would not meet
  our <span class="emphasis"><em>usability</em></span> or <span class="emphasis"><em>minimize recompilation</em></span> criteria
  well.</p></li><li class="listitem"><p><span class="emphasis"><em>Add a <code class="code">Debug</code> boolean template parameter</em></span>:
  Partial specialization could be used to select the debug
  implementation when <code class="code">Debug == true</code>, and the state
  of <