Qt 4.8
qtconcurrentcompilertest.h
Go to the documentation of this file.
1 /****************************************************************************
2 **
3 ** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
4 ** Contact: http://www.qt-project.org/legal
5 **
6 ** This file is part of the QtCore module of the Qt Toolkit.
7 **
8 ** $QT_BEGIN_LICENSE:LGPL$
9 ** Commercial License Usage
10 ** Licensees holding valid commercial Qt licenses may use this file in
11 ** accordance with the commercial license agreement provided with the
12 ** Software or, alternatively, in accordance with the terms contained in
13 ** a written agreement between you and Digia. For licensing terms and
14 ** conditions see http://qt.digia.com/licensing. For further information
15 ** use the contact form at http://qt.digia.com/contact-us.
16 **
17 ** GNU Lesser General Public License Usage
18 ** Alternatively, this file may be used under the terms of the GNU Lesser
19 ** General Public License version 2.1 as published by the Free Software
20 ** Foundation and appearing in the file LICENSE.LGPL included in the
21 ** packaging of this file. Please review the following information to
22 ** ensure the GNU Lesser General Public License version 2.1 requirements
23 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
24 **
25 ** In addition, as a special exception, Digia gives you certain additional
26 ** rights. These rights are described in the Digia Qt LGPL Exception
27 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
28 **
29 ** GNU General Public License Usage
30 ** Alternatively, this file may be used under the terms of the GNU
31 ** General Public License version 3.0 as published by the Free Software
32 ** Foundation and appearing in the file LICENSE.GPL included in the
33 ** packaging of this file. Please review the following information to
34 ** ensure the GNU General Public License version 3.0 requirements will be
35 ** met: http://www.gnu.org/copyleft/gpl.html.
36 **
37 **
38 ** $QT_END_LICENSE$
39 **
40 ****************************************************************************/
41 
42 #ifndef QTCONCURRENT_COMPILERTEST_H
43 #define QTCONCURRENT_COMPILERTEST_H
44 
45 #include <QtCore/qglobal.h>
46 
47 #ifndef QT_NO_CONCURRENT
48 
51 
52 QT_MODULE(Core)
53 
54 #if defined (Q_CC_MSVC) && (_MSC_VER < 1300)
55 # define QT_TYPENAME
56 #else
57 # define QT_TYPENAME typename
58 #endif
59 
60 namespace QtPrivate {
61 
62 template<class T>
64  typedef char Yes;
65  typedef void *No;
66  template<typename U> static Yes test(int, const typename U::result_type * = 0);
67  template<typename U> static No test(double);
68 public:
69  enum { Value = (sizeof(test<T>(0)) == sizeof(Yes)) };
70 };
71 
72 }
73 
76 
77 #endif // QT_NO_CONCURRENT
78 
79 #endif
#define QT_END_NAMESPACE
This macro expands to.
Definition: qglobal.h:90
static Yes test(int, const typename U::result_type *=0)
#define QT_MODULE(x)
Definition: qglobal.h:2783
#define QT_BEGIN_HEADER
Definition: qglobal.h:136
#define QT_BEGIN_NAMESPACE
This macro expands to.
Definition: qglobal.h:89
#define QT_END_HEADER
Definition: qglobal.h:137