62 lines
1.6 KiB
C
62 lines
1.6 KiB
C
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/**
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* Copyright 2013 Albert Vaca <albertvaka@gmail.com>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License or (at your option) version 3 or any later version
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* accepted by the membership of KDE e.V. (or its successor approved
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* by the membership of KDE e.V.), which shall act as a proxy
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* defined in Section 14 of version 3 of the license.
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*
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* This program 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
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef DEFAULTARG_H
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#define DEFAULTARG_H
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#include <QString>
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template<class T>
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struct default_arg {
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static T get(); //Not defined for any other value
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};
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//bool -> false
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template<>
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struct default_arg<bool> {
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static bool get() { return false; }
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};
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//int -> -1
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template<>
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struct default_arg<int> {
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static int get() { return -1; }
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};
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//Pointer types -> NULL (partial specialization)
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/*template<class T*>
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struct default_arg<T*> {
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static T* get() { NULL; }
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};
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*/
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//QStrings -> empty string
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template<>
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struct default_arg<QString> {
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static QString get() { return QString(); }
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};
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template<class T>
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struct default_arg<T*> {
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static T* get() { return NULL;}
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};
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#endif // DEFAULTARG_H
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