3 * Copyright 1999 Karl Nelson <kenelson@ece.ucdavis.edu>
5 * This library is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Library General Public
7 * License as published by the Free Software Foundation; either
8 * version 2 of the License, or (at your option) any later version.
10 * This library is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * Library General Public License for more details.
15 * You should have received a copy of the GNU Library General Public
16 * License along with this library; if not, write to the Free
17 * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
22 #include <sigc++/sigc++config.h>
24 #ifdef SIGC_CXX_NAMESPACES
29 /* some classes for making parameter passing easier */
31 #ifdef SIGC_CXX_SPECIALIZE_REFERENCES
49 typedef T ref; // VC++ does not support reference typedef
55 struct Trait<void>:public Trait<int>
59 #ifdef SIGC_CXX_NAMESPACES