publicQSharedData58{59QtPromise::QPromise<T>* promise =nullptr;60};6162QExplicitlySharedDataPointer<Data>m_d;6364voidrelease()65{66Q_ASSERT(m_d->promise);67Q_ASSERT(!m_d->promise->isPending());68deletem_d->promise;69m_d->promise =nullptr;70}71};7273//7475template<classT>76classQ...
-Warray-bounds-pointer-arithmetic the pointer incremented by %0 refers past the end of the array (that contains %1 element%s2) -Warray-bounds-pointer-arithmetic the pointer decremented by %0 refers before the beginning of the array -Wassign-enum integer constant not in range of enumerated ty...
1 template<typename F> 2 static void qtpromise_defer(F&& f, const QPointer<QThread>& thread) 3 { 4 using FType = typename std::decay<F>::type; 5 6 struct Event : public QEvent 7 { 8 Event(FType&& f) : QEvent{QEvent::None}, m_f{std::move(f)} { } 9 Event(const FTy...
count = 9 SUBGROUP_FEATURE_BASIC_BIT SUBGROUP_FEATURE_VOTE_BIT SUBGROUP_FEATURE_ARITHMETIC_BIT SUBGROUP_FEATURE_BALLOT_BIT SUBGROUP_FEATURE_SHUFFLE_BIT SUBGROUP_FEATURE_SHUFFLE_RELATIVE_BIT SUBGROUP_FEATURE_CLUSTERED_BIT SUBGROUP_FEATURE_QUAD_BIT SUBGROUP_FEATURE_PARTITIONED_BIT_NV quadOperationsInAllStages...
void clear() bool convert(int targetTypeId) bool isNull() const bool isValid() const void setValue(const T & value) void swap(QVariant & other) QBitArray toBitArray() const bool toBool() const QByteArray toByteArray() const QChar toChar() const QDate toDate() const QDateTime toDat...
// using .ptr and [] void Widget::colorReduce0(cv::Mat &image, int div) { int nl= image.rows; // number of lines int nc= image.cols * image.channels(); // total number of elements per line for (int j=0; j<nl; j++) { uchar* data= image.ptr<uchar>(j); for (int i...
Usually, you never have to use this constructor, use QVariant::fromValue() instead to construct variants from the pointer types represented by QMetaType::VoidStar, QMetaType::QObjectStar and QMetaType::QWidgetStar. See also QVariant::fromValue() and Type(obsolete). QVariant::QVariant(con...
void QTest::mouseMove (QWidget*widget,QPointpos= QPoint(), intdelay= -1 ) Moves the mouse pointer to awidget. Ifposis not specified, the mouse pointer moves to the center of the widget. If adelay(in milliseconds) is given, the test will wait before moving the mouse pointer. ...
C:\Program Files\Microsoft Visual Studio\2022\Community\VC\Tools\MSVC\14.31.31103\include\xmemory(939,33): error: arithmetic on a pointer to an incomplete type ‘std::_Default_allocator_traits<std::allocator<QRegularExpression>>::value_type’ (aka ‘QRegularExpression’) ...
例如,除数为零时产生的ArithmeticException异常,数组越界时产生的IndexOutOfBoundsException异常,fail-fast机制产生的ConcurrentModificationException异常(java.util包下面的所有的集合类都是快速失败的,“快速失败”也就是fail-fast,它是Java集合的一种错误检测机制。当多个线程对集合进行结构上的改变的操作时,有可能会产生...