span class="p">)</span> <span class="o">==</span> <span class="mi">5</span><span class="p">);</span>
<span class="p">}</span>
</pre></div>
</div>
</div>
<div class="section" id="references">
<h2>References<a class="headerlink" href="#references" title="Permalink to this headline">¶</a></h2>
<ul class="simple">
<li><a class="reference external" href="https://en.wikipedia.org/wiki/Fold_(higher-order_function)">Fold</a></li>
<li><a class="reference internal" href="../../../doc/src/point_free.html#variadic-sum