get_tab_width/1</a></h3>
<div class="spec">
<p><tt>get_tab_width(Tree::<a href="tree.html#type-tree">tree:tree()</a>) -&gt; integer()</tt><br></p>
</div><p>
  Gets the tab width from the tree metadata record.</p>

<h3 class="function"><a name="is_a_function-1">is_a_function/1</a></h3>
<div class="spec">
<p><tt>is_a_function(Node::<a href="tree.html#type-tree_node">tree:tree_node()</a>) -&gt; boolean()</tt><br></p>
</div><p>
  It returns <code>true</code> if the node represents a function, otherwise
  it ret