al-to_string"><a href="#val-to_string" class="anchor"></a><code><span class="keyword">val</span> to_string : <a href="index.html#type-t">t</a> <span>&#45;&gt;</span> string</code></dt><dd><p><code>to_string t</code> creates a string of the form &quot;sec.nsec&quot;.</p></dd></dl><dl><dt class="spec value" id="val-compare"><a href="#val-compare" class="anchor"></a><code><span class="keyword">val</span> compare : <a href="index.html#type-t">t</a> <span>&#45;&gt;</span> <a href="index.html#type-t">t</a> <span>