span id="VALinterface"><span class="keyword">val</span> interface</span> : <code class="type">Format.formatter -&gt; <a href="Parsetree.html#TYPEsignature_item">Parsetree.signature_item</a> list -&gt; unit</code></pre>
<pre><span id="VALimplementation"><span class="keyword">val</span> implementation</span> : <code class="type">Format.formatter -&gt; <a href="Parsetree.html#TYPEstructure_item">Parsetree.structure_item</a> list -&gt; unit</code></pre>
<pre><span id="VALtop_phrase"><span class="keyword">val</s