ld Yacc-like grammars
        with semantic actions that can build abstract syntax trees on the fly. This
        type of functional composition is gaining momentum.</em></span>
      </p></blockquote></div>
<p>
      Indeed. Phoenix is another attempt to introduce more FP techniques into the
      mainstream. Not only is it a tool that will make life easier for the programmer.
      In its own right, the actual design of the library itself is a model of true
      C++ FP in action. The library is designed 