forked from KolibriOS/kolibrios
64 lines
1.4 KiB
C
64 lines
1.4 KiB
C
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// -*- c++ -*-
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/*
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* Copyright 1999 Karl Nelson <kenelson@ece.ucdavis.edu>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the Free
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* Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#ifndef SIGCXX_TYPE_H
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#define SIGCXX_TYPE_H
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#include <sigc++config.h>
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#ifdef SIGC_CXX_NAMESPACES
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namespace SigC
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{
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#endif
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/* some classes for making parameter passing easier */
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#ifdef SIGC_CXX_SPECIALIZE_REFERENCES
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template <typename T>
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struct Trait
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{
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typedef const T& ref;
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typedef T type;
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};
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template <typename T>
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struct Trait<T&>
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{
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typedef T& ref;
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typedef T& type;
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};
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#else
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template <typename T>
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struct Trait
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{
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typedef T ref; // VC++ does not support reference typedef
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typedef T type;
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};
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#endif
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template <>
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struct Trait<void>:public Trait<int>
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{};
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#ifdef SIGC_CXX_NAMESPACES
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}
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#endif
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#endif
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