std::pointer_safety
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(exposition only*)
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(C++20)
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 Uninitialized storage (until C++20)
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pointer_safety
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(C++11)
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(C++11)
(C++11)
(C++11)
(C++23)
(C++23)
(C++11)
(C++20)
(C++11)
(C++11)
(C++20)
(C++26)
Defined in header 
 
 
<memory> 
 enum class pointer_safety {
 
 (since C++11)      relaxed,
     preferred,
     strict
(removed in C++23)
The scoped enumeration type pointer_safety lists the pointer safety modes supported by C++.
[edit] Enumeration constants
 Enumerator
 Meaning
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.