2</span><span class="op">)</span> <span class="op">)</span></span></span>
<span class="r-in"><span><span class="fu">sf_linestring</span><span class="op">(</span> obj <span class="op">=</span> <span class="va">x</span>, x <span class="op">=</span> <span class="fl">1</span>, y <span class="op">=</span> <span class="fl">2</span> <span class="op">)</span></span></span>
<span class="r-out co"><span class="r-pr">#&gt;</span>   id               geometry</span>
<span class="r-out co"><span class="r-pr">#&gt;</span>