tools.hxx

// tools.hxx: this file is part of the Vaucanson project.
//
// Vaucanson, a generic library for finite state machines.
//
// Copyright (C) 2004, 2005, 2007 The Vaucanson Group.
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License
// as published by the Free Software Foundation; either version 2
// of the License, or (at your option) any later version.
//
// The complete GNU General Public Licence Notice can be found as the
// `COPYING' file in the root directory.
//
// The Vaucanson Group consists of people listed in the `AUTHORS' file.
//
#ifndef VCSN_ALGEBRA_IMPLEMENTATION_FREE_MONOID_TOOLS_HXX
# define VCSN_ALGEBRA_IMPLEMENTATION_FREE_MONOID_TOOLS_HXX

# include <vaucanson/algebra/implementation/free_monoid/tools.hh>

namespace vcsn {

  namespace algebra {

    template<typename A>
    const std::list<typename A::letter_t>&
    identity_value(SELECTOR(algebra::FreeMonoidBase<A>),
                   SELECTOR(std::list<typename A::letter_t>))
    {
      static const std::list<typename A::letter_t> instance;
      return instance;
    }

    template<typename A>
    std::list<typename A::letter_t>
    op_convert(SELECTOR(algebra::FreeMonoidBase<A>),
               SELECTOR(std::list<typename A::letter_t>),
               const typename A::letter_t& c)
    {
      std::list<typename A::letter_t> l;
      l.push_back(c);
      return l;
    }

    template <typename A>
    void
    op_in_mul(const algebra::FreeMonoidBase<A>& s,
              std::list<typename A::letter_t>& dst,
              const std::list<typename A::letter_t>& src)
    {
      typedef typename std::list<typename A::letter_t>::const_iterator it_t;
      for (it_t i = src.begin();
           i != src.end();
           i++)
        dst.push_back(*i);
    }

    template <typename A>
    std::list<typename A::letter_t>
    op_mul(const algebra::FreeMonoidBase<A>& s,
           const std::list<typename A::letter_t>& a,
           const std::list<typename A::letter_t>& b)
    {
      typedef typename std::list<typename A::letter_t>::const_iterator it_t;
      std::list<typename A::letter_t> ret(a);
      op_in_mul(s, ret, b);
      return ret;
    }

  } // algebra

} // vcsn

#endif // ! VCSN_ALGEBRA_IMPLEMENTATION_FREE_MONOID_TOOLS_HXX

---