 class="string">"Hello"</span><span class="special">)</span> <span class="special">|</span> <span class="identifier">int_</span><span class="special">);</span>
<span class="identifier">test_parser</span><span class="special">(</span><span class="string">"123"</span><span class="special">,</span> <span class="identifier">string</span><span class="special">(</span><span class="string">"Hello"</span><span class="special">)</span> <span class="special">|</span> <span class="identifier">int_</span><span class="s