lassaudio__driver__local_1_1_optional.html">Optional&lt; T &gt;</a></td><td class="entry"><span class="mlabel">inline</span></td></tr>
  <tr class="even"><td class="entry"><a class="el" href="classaudio__driver__local_1_1_optional.html#a8abdf29c53e2d866ae58f1550b479120">Optional</a>()</td><td class="entry"><a class="el" href="classaudio__driver__local_1_1_optional.html">Optional&lt; T &gt;</a></td><td class="entry"><span class="mlabel">inline</span></td></tr>
  <tr><td class="entry"><a class="el" href="clas