double_</span> <span class="special">&lt;&lt;</span> <span class="char">']'</span><span class="special">],</span> <span class="identifier">v</span><span class="special">);</span>

<span class="comment">// fails because of insufficient number of items</span>
<span class="identifier">test_generator_attr</span><span class="special">(</span><span class="string">""</span><span class="special">,</span> <span class="identifier">repeat</span><span class="special">(</span><span class="number">4</span><span class="sp