 <span class="special">&gt;</span> 
<a name="idp114757264-bb"></a><span class="identifier">compile</span><span class="special">(</span><span class="identifier">char_type</span> <span class="keyword">const</span> <span class="special">*</span> begin<span class="special">,</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">size_t</span> len<span class="special">,</span> <span class="identifier">flag_type</span> flags<span class="special">)</span><span class="spec