ial">&amp;</span><span class="special">)</span><span class="special">;</span>
  <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> period_type<span class="special">,</span> <span class="keyword">typename</span> duration_type<span class="special">,</span> <span class="keyword">typename</span> facet_type<span class="special">&gt;</span> 
    <span class="identifier">period_type</span> <a class="link" href="period_parser.html#id-1_3_14_15_3_37_1_1_1_15_5