r.io/r/base/c.html" class="external-link">c</a></span><span class="op">(</span><span class="st">"STRING_fixed"</span>, <span class="st">"Double"</span>, <span class="st">"Complex"</span>, <span class="st">"Array"</span><span class="op">)</span>,</span>
<span>    dtypes <span class="op">=</span> <span class="fu"><a href="https://rdrr.io/r/base/list.html" class="external-link">list</a></span><span class="op">(</span><span class="va">str_fixed_len</span>, <span class="va">h5types</span><span class="op">$</span