om the output sequence to the input
          sequence.
        </p>
<pre class="programlisting"><span class="keyword">void</span> <span class="identifier">commit</span><span class="special">(</span>
    <span class="identifier">std</span><span class="special">::</span><span class="identifier">size_t</span> <span class="identifier">n</span><span class="special">);</span>
</pre>
<p>
          Appends <code class="computeroutput"><span class="identifier">n</span></code> characters from
          the start of 