entifier">std</span><span class="special">::</span><span class="identifier">vector</span><span class="special">&lt;</span><span class="keyword">int</span><span class="special">&gt;</span> <span class="identifier">v</span><span class="special">;</span>
<span class="identifier">test_phrase_parser_attr</span><span class="special">(</span><span class="string">"123"</span><span class="special">,</span>
      <span class="identifier">hold</span><span class="special">[</span><span class="identifier">int_</span> <s