name="l00050"></a><span class="lineno">   50</span>  <a class="code hl_struct" href="structproofs_1_1_digest.html">Digest</a> commit(<span class="keyword">const</span> std::function&lt;<span class="keywordtype">void</span>(<span class="keywordtype">size_t</span>, <a class="code hl_class" href="classproofs_1_1_s_h_a256.html">SHA256</a> &amp;)&gt; &amp;updhash,</div>
<div class="line"><a id="l00051" name="l00051"></a><span class="lineno">   51</span>                <a class="code hl_class" href="classproofs_1