late</span><span class="special">&lt;</span><span class="keyword">typename</span> Char<span class="special">,</span> <span class="keyword">typename</span> Environment<span class="special">&gt;</span> 
  <span class="keyword">struct</span> <a class="link" href="basic_environment/const_entry_type.html" title="Struct template const_entry_type">const_entry_type</a> <span class="special">{</span>
    <span class="comment">// types</span>
    <span class="keyword">typedef</span> <span class="identifier">Char</spa