/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtConcurrent module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
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** accordance with the commercial license agreement provided with the
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** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or (at your option) the GNU General
** Public license version 3 or any later version approved by the KDE Free
** Qt Foundation. The licenses are as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-2.0.html and
** https://www.gnu.org/licenses/gpl-3.0.html.
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** $QT_END_LICENSE$
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****************************************************************************/

#ifndef QTCONCURRENT_COMPILERTEST_H
#define QTCONCURRENT_COMPILERTEST_H

#include <QtConcurrent/qtconcurrent_global.h>

#ifndef QT_NO_CONCURRENT

QT_BEGIN_NAMESPACE

namespace QtPrivate {

    template <class T, typename = void>
    struct IsIterable : std::false_type {};
    template <class T>
    struct IsIterable<T, std::void_t<decltype(std::declval<T>().begin()),
        decltype(std::declval<T>().end())>>
        : std::true_type
    { };

    template <class T>
    inline constexpr bool IsIterableValue = IsIterable<T>::value;

    template <class T, typename = void>
    struct IsDereferenceable : std::false_type {};
    template <class T>
    struct IsDereferenceable<T, std::void_t<decltype(*std::declval<T>())>>
        : std::true_type
    { };

    template <class T>
    inline constexpr bool IsDereferenceableValue = IsDereferenceable<T>::value;
}

QT_END_NAMESPACE

#endif // QT_NO_CONCURRENT

#endif
