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/*
* This file is part of KDevelop
*
* Copyright 2013 Olivier de Gaalon <olivier.jg@gmail.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifndef TEMPLATEHELPERS_H
#define TEMPLATEHELPERS_H
#include <QDebug>
#include <type_traits>
enum class Decision
{
True,
False,
Maybe
};
// see also: http://flamingdangerzone.com/cxx11/2012/06/01/almost-static-if.html
namespace detail { enum class enabler {}; }
constexpr detail::enabler dummy = {};
template <bool Condition>
using EnableIf = typename std::enable_if<Condition, detail::enabler>::type;
inline QDebug operator<<(QDebug dbg, Decision decision)
{
switch (decision) {
case Decision::True: dbg << "true"; break;
case Decision::False: dbg << "false"; break;
default: dbg << "maybe"; break;
}
return dbg;
}
#endif //TEMPLATEHELPERS_H
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