 class="va">H5T_STRING</span><span class="op">$</span><span class="fu">new</span><span class="op">(</span>size<span class="op">=</span><span class="fl">100</span><span class="op">)</span></span></span>
<span class="r-in"><span><span class="va">str_flen</span><span class="op">$</span><span class="fu">is_vlen</span><span class="op">(</span><span class="op">)</span></span></span>
<span class="r-out co"><span class="r-pr">#&gt;</span> [1] FALSE</span>
<span class="r-in"><span><span class="va">str_flen</span></s