gt;</span></span> unit</span></code></div><div class="spec-doc"><p>Flush the internal buffers.</p></div></div><div class="odoc-spec"><div class="spec value anchored" id="val-raisef"><a href="#val-raisef" class="anchor"></a><code><span><span class="keyword">val</span> raisef : <span><span class="optlabel">?margin</span>:int <span class="arrow">&#45;&gt;</span></span> <span><span>(<span>string <span class="arrow">&#45;&gt;</span></span> exn)</span> <span class="arrow">&#45;&gt;</span></span> <span><span><span