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std::get_pointer_safety

From cppreference.com
< cpp‎ | memory
 
 
Memory management library
(exposition only*)
Uninitialized memory algorithms
(C++17)
(C++17)
(C++17)
Constrained uninitialized
memory algorithms
C Library

Allocators
Memory resources
Garbage collection support
(C++11)(until C++23)
(C++11)(until C++23)
(C++11)(until C++23)
(C++11)(until C++23)
(C++11)(until C++23)
get_pointer_safety
(C++11)(until C++23)
Uninitialized storage
(until C++20*)
(until C++20*)
Explicit lifetime management
 
Defined in header <memory>
std::pointer_safety get_pointer_safety() noexcept;
(since C++11)
(removed in C++23)

Obtains the implementation-defined pointer safety model, which is a value of type std::pointer_safety.

Contents

[edit] Parameters

(none)

[edit] Return value

The pointer safety used by this implementation.

[edit] Example

#include <iostream>
#include <memory>
 
int main()
{
    std::cout << "Pointer safety: ";
    switch (std::get_pointer_safety())
    {
        case std::pointer_safety::strict:
            std::cout << "strict\n";
            break;
        case std::pointer_safety::preferred:
            std::cout << "preferred\n";
            break;
        case std::pointer_safety::relaxed:
            std::cout << "relaxed\n";
            break;
    }
}

Possible output:

Pointer safety: relaxed

[edit] See also

(C++11)(removed in C++23)
lists pointer safety models
(enum) [edit]