b1-7" title="7">}</a></code></pre></div>
</li>
<li><p>export the fun <code>locate_eplus()</code> to init eplus path</p></li>
<li><p>Add functionality to directly delete an object using <code>$&lt;-.Idf</code>, such like <code>Idf$Material$mat &lt;- NULL</code>, and delete a whole class using <code>Idf$Material &lt;- NULL</code>.</p></li>
<li><p>Add a vignette about simulation data extraction and modifying models using functions.</p></li>
<li><p>Use Rcpp to unlock environment. Reference: <a href="https://sta