an class="fu">e_geo</span><span class="op">(</span><span class="op">)</span> <span class="op">|&gt;</span></span></span>
<span class="r-in"><span>  <span class="fu"><a href="e_lines.html">e_lines</a></span><span class="op">(</span></span></span>
<span class="r-in"><span>    <span class="va">start_lon</span>,</span></span>
<span class="r-in"><span>    <span class="va">start_lat</span>,</span></span>
<span class="r-in"><span>    <span class="va">end_lon</span>,</span></span>
<span class="r-in"><span>    <span