"has_attr"        </span>
<span class="r-out co"><span class="r-pr">#&gt;</span>  [9] "set_attr"         "get_attr"         "..type.."         "..dir.."         </span>
<span class="r-out co"><span class="r-pr">#&gt;</span> [13] "..methods.."      "..method_env.."   "..init.."         "..instantiated.."</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> [17] "..class_tree.."   "instantiate"     </span>
<span class="r-in"><span></span></span>
<span class="r-in"><span><span class="co"># Build an in