al">;</span>
<span class="keyword">double</span> <span class="identifier">d1</span> <span class="special">=</span> <span class="number">1.2</span><span class="special">;</span>
<span class="identifier">test_parser_attr</span><span class="special">(</span><span class="string">""</span><span class="special">,</span> <span class="identifier">attr</span><span class="special">(</span><span class="identifier">phx</span><span class="special">::</span><span class="identifier">ref</span><span class="special">(</span