ross()</code>:</p>
<ul>
<li><p>Strip the <code>_if()</code>, <code>_at()</code> and
<code>_all()</code> suffix off the function.</p></li>
<li><p>Call <code>across()</code>. The first argument will be:</p>
<ol style="list-style-type: decimal">
<li>For <code>_if()</code>, the old second argument wrapped in
<code>where()</code>.</li>
<li>For <code>_at()</code>, the old second argument, with the call to
<code>vars()</code> removed.</li>
<li>For <code>_all()</code>, <code>everything()</code>.</li>
</ol>
<p>The s