 class="dv">30</span></a>
<a class="sourceLine" id="cb27-43" title="43"><span class="kw"><a href="reference/messagehandler.html">message_if</a></span>(<span class="dt">.x =</span> e, </a>
<a class="sourceLine" id="cb27-44" title="44">           <span class="dt">.p =</span> <span class="cf">function</span>(vec){</a>
<a class="sourceLine" id="cb27-45" title="45">             <span class="kw">return</span>(<span class="kw">sqrt</span>(vec) <span class="op">&lt;</span><span class="st"> </span><span class="dv">4