Vaucanson 1.4
special_char_traits.hh
00001 // special_char_traits.hh: this file is part of the Vaucanson project.
00002 //
00003 // Vaucanson, a generic library for finite state machines.
00004 //
00005 // Copyright (C) 2004, 2005, 2006 The Vaucanson Group.
00006 //
00007 // This program is free software; you can redistribute it and/or
00008 // modify it under the terms of the GNU General Public License
00009 // as published by the Free Software Foundation; either version 2
00010 // of the License, or (at your option) any later version.
00011 //
00012 // The complete GNU General Public Licence Notice can be found as the
00013 // `COPYING' file in the root directory.
00014 //
00015 // The Vaucanson Group consists of people listed in the `AUTHORS' file.
00016 //
00017 #ifndef VCSN_MISC_SPECIAL_CHAR_TRAITS_HH
00018 # define VCSN_MISC_SPECIAL_CHAR_TRAITS_HH
00019 
00037 # include <vaucanson/misc/char_traits.hh>
00038 
00039 # define VCSN_USE_GENERIC_CHAR_TRAITS_FOR(Type)                         \
00040   template <>                                                           \
00041   struct char_traits<Type> : public ::vcsn::misc::char_traits<Type> { }
00042 
00043 namespace std
00044 {
00045   // Specialize char_traits for builtin types.
00046   VCSN_USE_GENERIC_CHAR_TRAITS_FOR (int);
00047   VCSN_USE_GENERIC_CHAR_TRAITS_FOR (long int);
00048   VCSN_USE_GENERIC_CHAR_TRAITS_FOR (unsigned int);
00049   VCSN_USE_GENERIC_CHAR_TRAITS_FOR (unsigned long int);
00050   VCSN_USE_GENERIC_CHAR_TRAITS_FOR (float);
00051   VCSN_USE_GENERIC_CHAR_TRAITS_FOR (double);
00052   VCSN_USE_GENERIC_CHAR_TRAITS_FOR (long double);
00053 
00054   // Specialize char_traits for pointers.
00055   template <class T>
00056   struct char_traits<T*> : public ::vcsn::misc::char_traits<T*> { };
00057 
00058   // Specialize char_traits for pairs.
00059   template <class U, class V>
00060   struct char_traits< pair<U, V> > :
00061       public ::vcsn::misc::char_traits< pair<U, V> >
00062   {
00063   };
00064 } // end of namespace std
00065 
00066 #endif // ! VCSN_MISC_SPECIAL_CHAR_TRAITS_HH