# std::pointer_safety

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< cpp‎ | memory

Defined in header `<memory>` |  |
enum class pointer_safety { relaxed, preferred, strict }; |  | (since C++11)

The scoped enumeration type `pointer_safety` lists the pointer safety modes supported by C++

### Enumeration constants

pointer_safety::strict | Only safely-derived pointers (pointers to objects allocated with new or subobjects thereof) may be dereferenced or deallocated. Garbage collector may be active.
pointer_safety::preferred | All pointers are considered valid and may be dereferenced or deallocated. A reachability-based leak detector may be active
pointer_safety::relaxed | All pointers are considered valid and may be dereferenced or deallocated

### See also

get_pointer_safety (C++11) | returns the current pointer safety model (function)

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