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50 lines
1.5 KiB
C++
50 lines
1.5 KiB
C++
/*
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Copyright (c) 2009 Volker Krause <vkrause@kde.org>
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This library is free software; you can redistribute it and/or modify it
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under the terms of the GNU Library General Public License as published by
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the Free Software Foundation; either version 2 of the License, or (at your
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option) any later version.
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This library is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public
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License for more details.
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You should have received a copy of the GNU Library General Public License
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along with this library; see the file COPYING.LIB. If not, write to the
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Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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02110-1301, USA.
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*/
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#ifndef KPIMUTILS_SUPERTRAIT_H
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#define KPIMUTILS_SUPERTRAIT_H
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namespace KPIMUtils {
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/**
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@internal
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@see super_class
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*/
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template <typename Super>
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struct SuperClassTrait
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{
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typedef Super Type;
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};
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/**
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Type trait to provide information about a base class for a given class.
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Used eg. for the Akonadi payload mechanism.
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To provide base class introspection for own types, extend this trait as follows:
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@code
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namespace KPIMUtils
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{
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template <> struct SuperClass<MyClass> : public SuperClassTrait<MyBaseClass>{};
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}
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@endcode
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*/
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template <typename Class> struct SuperClass : public SuperClassTrait<Class>{};
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}
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#endif
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