#TYPEt">t</a> -&gt; <a href="Unit.html#TYPEt">t</a> -&gt; int</code></pre><div class="info ">
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<p><code class="code">compare&nbsp;u1&nbsp;u2</code> is <code class="code">0</code>.</p>
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<pre><span id="VALto_string"><span class="keyword">val</span> to_string</span> : <code class="type"><a href="Unit.html#TYPEt">t</a> -&gt; string</code></pre><div class="info ">
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<p><code class="code">to_string&nbsp;b</code> is <code class="code"><span class="string">