apse" href="#comment-func-amp_rhs_">func &amp;(<wbr>_:<wbr>rhs:)</a>
     <span class="required">Required</span>    
<div class="comment collapse" id="comment-func-amp_rhs_"><div class="p">
    <p>Returns the intersection of bits set in the two arguments.</p>

<p>The bitwise AND operator (<code>&amp;</code>) returns a value that has each bit set to
<code>1</code> where <em>both</em> of its arguments had that bit set to <code>1</code>. This is
equivalent to the intersection of two sets. For example:</p>

<pr