ckoverflow.com/questions/25910778/unlockenvironment-implemented-via-rcpp-instead-of-inline/25922051#25922051" class="uri">https://stackoverflow.com/questions/25910778/unlockenvironment-implemented-via-rcpp-instead-of-inline/25922051#25922051</a></p></li>
<li><p>Add <code>IdfObjectsClass</code> class to handle <code>IdfObject</code>s in same class.</p></li>
<li><p>Use <code><a href="https://www.rdocumentation.org/packages/utils/topics/rcompgen">rc.options()</a></code> to register custom completor. Reference: