v class="refsect2">
<a name="id-1.3.34.5.51.4.4.4.4.3"></a><h3>
<a name="id-1_3_34_5_49_2_1_1_5_4-bb"></a><code class="computeroutput">impl</code> public member functions</h3>
<div class="orderedlist"><ol class="orderedlist" type="1"><li class="listitem">
<pre class="literallayout"><span class="identifier">result_type</span> <a name="id-1_3_34_5_49_2_1_1_5_4_1-bb"></a><span class="keyword">operator</span><span class="special">(</span><span class="special">)</span><span class="special">(</span><span class="k