QSharedData Class
QSharedData 类是共享数据对象的基类。更多
| 头文件： | #include <QSharedData> |
| CMake： | find_package(Qt6 REQUIRED COMPONENTS Core)target_link_libraries(mytarget PRIVATE Qt6::Core) |
| qmake： | QT += core |
注意：该类中的所有函数都是可重入的。
公共函数
| QSharedData() | |
| QSharedData(const QSharedData &) |
详细说明
QSharedData 设计用于QSharedDataPointer 或QExplicitlySharedDataPointer ，以实现自定义的隐式共享或显式共享类。QSharedData 提供线程安全的引用计数。
成员函数文档
[noexcept] QSharedData::QSharedData()
构造一个引用计数为 0 的 QSharedData 对象。
[noexcept] QSharedData::QSharedData(const QSharedData &)
构造一个引用计数为 0 的 QSharedData 对象。
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