"docutils literal">index</tt> but not for
<tt class="docutils literal">name</tt>, only <tt class="docutils literal">name</tt> is required.  We can exercise our new
interface as follows:</p>
<pre class="literal-block">
myclass x(&quot;bob&quot;, 3);                     // positional
myclass y(_index = 12, _name = &quot;sally&quot;); // named
myclass z(&quot;june&quot;);                       // positional/defaulted
</pre>
<!-- @example.wrap('int main() {', '}') -->
<!-- @test('run', howmany='all') -->
<p>For