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/****************************************************************************
**
** Copyright (C) 2021 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtConcurrent module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:COMM$
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** $QT_END_LICENSE$
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
****************************************************************************/
#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>
class HasResultType {
typedef char Yes;
typedef void *No;
template<typename U> static Yes test(int, const typename U::result_type * = nullptr);
template<typename U> static No test(double);
public:
enum { Value = (sizeof(test<T>(0)) == sizeof(Yes)) };
};
}
QT_END_NAMESPACE
#endif // QT_NO_CONCURRENT
#endif
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