an> <span class="va">invented_wages</span>, </span></span>
<span class="r-in"><span>  .variables <span class="op">=</span> <span class="va">vars</span>, </span></span>
<span class="r-in"><span>  .fun <span class="op">=</span> <span class="va">jointfun_</span>, </span></span>
<span class="r-in"><span>  order_type <span class="op">=</span> <span class="va">extract_unique2</span></span></span>
<span class="r-in"><span><span class="op">)</span></span></span>
<span class="r-out co"><span class="r-pr">#&gt;</span