_err_trace : <a href="index.html#type-t">t</a> <span>&#45;&gt;</span> string * <a href="../../Absint/Errlog/index.html#type-loc_trace">Absint.Errlog.loc_trace</a></code></dt><dt class="spec value" id="val-mask_min_max_constant"><a href="#val-mask_min_max_constant" class="anchor"></a><code><span class="keyword">val</span> mask_min_max_constant : <a href="index.html#type-t">t</a> <span>&#45;&gt;</span> <a href="index.html#type-t">t</a></code></dt><dt class="spec value" id="val-zero"><a href="#val-zero" class=