iv></div>
</div>
<div class="declaration inherited" id="func-formindex_offsetby_">
<a class="toggle-link" data-toggle="collapse" href="#comment-func-formindex_offsetby_">func formIndex(<wbr>_:<wbr>offsetBy:)</a>
        
<div class="comment collapse" id="comment-func-formindex_offsetby_"><div class="p">
    <p>Offsets the given index by the specified distance.</p>

<p>The value passed as <code>n</code> must not offset <code>i</code> beyond the <code>endIndex</code> or
before the <code>startIndex</code> of t