ass="va">x</span><span class="op">]</span>, seed<span class="op">=</span><span class="va">check</span><span class="op">$</span><span class="va">seed</span><span class="op">[</span><span class="va">x</span><span class="op">]</span><span class="op">)</span></span></span>
<span class="r-in"><span>    <span class="kw"><a href="https://rdrr.io/r/base/function.html" class="external-link">return</a></span><span class="op">(</span><span class="va">res</span><span class="op">)</span></span></span>
<span class="r-in"