     <p>
        <code class="literal">int4range(2,4) &lt;@ int4range(1,7)</code>
        → <code class="returnvalue">t</code>
       </p></td></tr><tr><td class="func_table_entry"><p class="func_signature">
        <code class="type">anyelement</code> <code class="literal">&lt;@</code> <code class="type">anyrange</code>
        → <code class="returnvalue">boolean</code>
       </p>
       <p>
        Is the element contained in the range?
       </p>
       <p>
        <code class="literal">42 &lt;@ in