Smart Pointers

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Purpose

A smart pointer is an abstract data type that has all features of a standard pointer and additionally provides automatic garbage collection. Smart pointers facilitate the dynamic memory operations. Their main advantage is reducing memory leaks and bugs due to poor memory management.

Smart Pointers in Qt

• QPointer
• QSharedDataPointer
• QExplicitlySharedDataPointer
• QtPatternist::AutoPtr (internal class)
• QSharedPointer
• QWeakPointer
• QGuard (internal class)
• QScopedPointer
• QScopedArrayPointer

See also

Count with me: how many smart pointer classes does Qt have?

References

Smart Pointer