t4range(1,7)</code>
        → <code class="returnvalue">f</code>
       </p></td></tr><tr><td class="func_table_entry"><p class="func_signature">
        <code class="type">anyrange</code> <code class="literal">&amp;&amp;</code> <code class="type">anyrange</code>
        → <code class="returnvalue">boolean</code>
       </p>
       <p>
        Do the ranges overlap, that is, have any elements in common?
       </p>
       <p>
        <code class="literal">int8range(3,7) &amp;&amp; int8range(4,12)</code>