aramname">cond</td><td>The condition determining which of the two values is returned.</td></tr>
    <tr><td class="paramname">then</td><td>The value returned when <code>cond</code> is true-valued.</td></tr>
    <tr><td class="paramname">else_</td><td>The value returned when <code>cond</code> is false-valued.</td></tr>
  </table>
  </dd>
</dl>
<h2><a class="anchor" id="autotoc_md238"></a>
Example</h2>
<div class="fragment"><div class="line"><span class="comment">// Copyright Louis Dionne 2013-2017</span></di