 the max of two values."</span>
 [<span class="mdzsyn-symbol">x</span> <span class="mdzsyn-symbol">y</span>]
 ~(<span class="mdzsyn-coresym">if</span> (<span class="mdzsyn-coresym">&gt;</span> ,<span class="mdzsyn-symbol">x</span> ,<span class="mdzsyn-symbol">y</span>) ,<span class="mdzsyn-symbol">x</span> ,<span class="mdzsyn-symbol">y</span>))</code></pre><p>This almost works, but will evaluate both <code class="mendoza-code">x</code> and <code class="mendoza-code">y</code> twice. This is
because both sho