urns <code>false</code>.</p>

<h3 class="function"><a name="is_expression_or_function-1">is_expression_or_function/1</a></h3>
<div class="spec">
<p><tt>is_expression_or_function(Node::<a href="tree.html#type-tree_node">tree:tree_node()</a>) -&gt; boolean()</tt><br></p>
</div><p>
  Checks the category of the Node and returns true if it is
  "expression" or if the node is a function declaration.
  It returns false otherwise.</p>

<h3 class="function"><a name="is_function_or_macro-1">is_function_or_macro/1</a>