 <h2 id="details">Details<a class="anchor" aria-label="anchor" href="#details"></a></h2>
    <p>Within the formulas, the variable <code>.</code> will refer to the content of
<code>ht[rows, cols]</code>, after conversion to a vector.</p>
<p><code>case_when</code> returns <code>NA</code> when no formula LHS is matched. To avoid this, set a
default in the last formula: <code>TRUE ~ default</code>.</p>
<p><code>case_when</code> can't deal with <code><a href="brdr.html">brdr()</a></code> objects, so you cannot u