a high confidence bucket</p></dd></dl><dl><dt class="spec value" id="val-error_desc_hash"><a href="#val-error_desc_hash" class="anchor"></a><code><span class="keyword">val</span> error_desc_hash : <a href="index.html#type-error_desc">error_desc</a> <span>&#45;&gt;</span> int</code></dt><dd><p>hash function for error_desc</p></dd></dl><dl><dt class="spec value" id="val-error_desc_equal"><a href="#val-error_desc_equal" class="anchor"></a><code><span class="keyword">val</span> error_desc_equal : <a href="index