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QFutureSynchronizer: mark ctors [[nodiscard]]

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QFutureSynchronizer is a RAII class. QUIP-0019 says that RAII class
ctors should be marked as [[nodiscard]].

Task-number: QTBUG-104164
Change-Id: I0b6710f2b9a14d67f64150f240f819b8336e0929
Reviewed-by: Ivan Solovev <ivan.solovev@qt.io>
(cherry picked from commit f403ef428efab5af857e85d9d28c5f7b64603ec0)
Reviewed-by: Qt Cherry-pick Bot <cherrypick_bot@qt-project.org>
This commit is contained in:
Marc Mutz 2023-06-21 11:45:50 +02:00 committed by Qt Cherry-pick Bot
parent f1adc51ca4
commit f897f722e3
1 changed files with 2 additions and 1 deletions
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3
src/corelib/thread/qfuturesynchronizer.h
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@ -17,7 +17,8 @@ class QFutureSynchronizer
Q_DISABLE_COPY(QFutureSynchronizer)
public:
QFutureSynchronizer() : m_cancelOnWait(false) { }
Q_NODISCARD_CTOR QFutureSynchronizer() : m_cancelOnWait(false) { }
Q_NODISCARD_CTOR
explicit QFutureSynchronizer(QFuture<T> future)
: m_cancelOnWait(false)
{ addFuture(std::move(future)); }