kHouseDriver.IO.BufferedWriter.html#Writer" class="link">Source</a> <a href="#t:Writer" class="selflink">#</a></p><div class="doc"><p>The writer monad writes bytestring builders and combine them as a monoid. </p></div></div><div class="top"><p class="src"><span class="keyword">class</span> (<a href="../base-4.12.0.0/Data-Monoid.html#t:Monoid" title="Data.Monoid">Monoid</a> w, <a href="../base-4.12.0.0/Data-Monoid.html#t:Monoid" title="Data.Monoid">Monoid</a> m) =&gt; <a id="t:MonoidMap" class="def">MonoidMa