ges/gpx_functions.png" alt="functions"><div class="figcaption">functions</div>
</div>
<p>These screenshots are taken from my <a href="https://github.com/dcooley/gpx/blob/master/inst/include/gpx/track/track.hpp" class="external-link">gpx</a>
library. Feel free to have a look and see how I use them.</p>
</div>
<div class="section level3">
<h3 id="using-cppfunction">Using cppFunction<a class="anchor" aria-label="anchor" href="#using-cppfunction"></a>
</h3>
<p>Here are some example <code>cppFunction()</code> ca