nt</span></code>,
          enumeration etc.) . The template class, parameterized by the character
          type, can work efficiently with 8, 16, 32 and even 64 bit characters. Mutable
          data of type T are associated with each symbol.
        </p>
<p>
          Traditionally, symbol table management is maintained separately outside
          the BNF grammar through semantic actions. Contrary to standard practice,
          the Spirit symbol table class <code class="computeroutput"><span class="ide