na">ignore_na<a class="anchor" aria-label="anchor" href="#arg-ignore-na"></a></dt>
<dd><p>If <code>TRUE</code>, <code>NA</code> values in the result will be left unchanged
from their previous values. Otherwise, <code>NA</code>
normally resets to the default.</p></dd>

</dl></div>
    <div class="section level2">
    <h2 id="value">Value<a class="anchor" aria-label="anchor" href="#value"></a></h2>
    <p>A function for use in <code>map_***</code> functions.</p>
    </div>
    <div class="section level2">
   