="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre>
<p><code class="computeroutput">iterative_size()</code> yields the number of elements that is visited throu complete iteration. For interval sets <code class="computeroutput">iterative_size()</code> is different from <code class="computeroutput">size()</code>. </p>
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<pre class="literallayout"><span class="identifier">codomain_type</span> <a name="id673195-bb"></a><span class="keyword">operator</span><span cl