-spec"><div class="spec value" id="val-log_task" class="anchored"><a href="#val-log_task" class="anchor"></a><code><span><span class="keyword">val</span> log_task : <span><span><span>( <span class="type-var">'a</span>, <span class="xref-unresolved">F</span>.formatter, unit )</span> <a href="../../IStdlib/IStd/index.html#type-format">IStdlib.IStd.format</a></span> <span class="arrow">&#45;&gt;</span></span> <span class="type-var">'a</span></span></code></div><div class="spec-doc"><p>log progress in the log f