structor for the empty object. </li>
<li>
<pre class="literallayout"><a name="id679349-bb"></a><span class="identifier">split_interval_set</span><span class="special">(</span><span class="keyword">const</span> <a class="link" href="split_interval_set.html" title="Class template split_interval_set">split_interval_set</a> <span class="special">&amp;</span> src<span class="special">)</span><span class="special">;</span></pre>Copy constructor. </li>
<li>
<pre class="literallayout"><span class="keyword">template