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  <a class="link" href="result_of/extract_or_throw.html" title="Struct template extract_or_throw">result_of::extract_or_throw</a><span class="special">&lt;</span> <span class="identifier">T</span><span class="special">,</span> <span class="identifier">TagT</span> <span class="special">&gt;</span><span class="special">::</span><span class="identifier">type</span> 
  <span class="identifier">extract_or_throw</span><span class="special">(</span><a class="link" href="attribute_name.html" title="Class attribu