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Diffstat (limited to 'src/declarative/util/qmlnullablevalue_p_p.h')
-rw-r--r-- | src/declarative/util/qmlnullablevalue_p_p.h | 81 |
1 files changed, 0 insertions, 81 deletions
diff --git a/src/declarative/util/qmlnullablevalue_p_p.h b/src/declarative/util/qmlnullablevalue_p_p.h deleted file mode 100644 index c426258..0000000 --- a/src/declarative/util/qmlnullablevalue_p_p.h +++ /dev/null @@ -1,81 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). -** All rights reserved. -** Contact: Nokia Corporation (qt-info@nokia.com) -** -** This file is part of the QtDeclarative module of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:LGPL$ -** No Commercial Usage -** This file contains pre-release code and may not be distributed. -** You may use this file in accordance with the terms and conditions -** contained in the Technology Preview License Agreement accompanying -** this package. -** -** GNU Lesser General Public License Usage -** Alternatively, this file may be used under the terms of the GNU Lesser -** General Public License version 2.1 as published by the Free Software -** Foundation and appearing in the file LICENSE.LGPL included in the -** packaging of this file. Please review the following information to -** ensure the GNU Lesser General Public License version 2.1 requirements -** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. -** -** In addition, as a special exception, Nokia gives you certain additional -** rights. These rights are described in the Nokia Qt LGPL Exception -** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. -** -** If you have questions regarding the use of this file, please contact -** Nokia at qt-info@nokia.com. -** -** -** -** -** -** -** -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#ifndef QMLNULLABLEVALUE_P_H -#define QMLNULLABLEVALUE_P_H - -// -// W A R N I N G -// ------------- -// -// This file is not part of the Qt API. It exists purely as an -// implementation detail. This header file may change from version to -// version without notice, or even be removed. -// -// We mean it. -// - -QT_BEGIN_NAMESPACE - -template<typename T> -struct QmlNullableValue -{ - QmlNullableValue() - : isNull(true), value(T()) {} - QmlNullableValue(const QmlNullableValue<T> &o) - : isNull(o.isNull), value(o.value) {} - QmlNullableValue(const T &t) - : isNull(false), value(t) {} - QmlNullableValue<T> &operator=(const T &t) - { isNull = false; value = t; return *this; } - QmlNullableValue<T> &operator=(const QmlNullableValue<T> &o) - { isNull = o.isNull; value = o.value; return *this; } - operator T() const { return value; } - - void invalidate() { isNull = true; } - bool isValid() const { return !isNull; } - bool isNull; - T value; -}; - -QT_END_NAMESPACE - -#endif // QMLNULLABLEVALUE_P_H |