ns of the tables are copied into the struct whereas in
the reverse direction, every struct is decomposed into the corresponding
columns.</p>
<p>The Data-frame &lt;-&gt; Compound conversion is also extensively used
for HDF5-API functions that return structs as result (and therefore
return data-frames).</p>
</div>
<div class="section level4">
<h4 id="arrays-data-types">Arrays data-types<a class="anchor" aria-label="anchor" href="#arrays-data-types"></a>
</h4>
<p>In HDF5, datasets itself can have arbitrary dim