std::declare_no_pointers

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< cpp‎ | memory
Memory management library
(exposition only*)
Uninitialized memory algorithms
(C++17)
(C++17)
(C++17)
(C++20)
Constrained uninitialized
memory algorithms
(C++20)
C Library

Allocators
(C++11)
(C++11)
Memory resources
Garbage collection support
(C++11)(until C++23)
(C++11)(until C++23)
declare_no_pointers
(C++11)(until C++23)
(C++11)(until C++23)
(C++11)(until C++23)
(C++11)(until C++23)
Uninitialized storage
(until C++20*)
(until C++20*)
(until C++20*)
Explicit lifetime management
Defined in header <memory>
void declare_no_pointers( char *p, std::size_t n ) ;
(since C++11)
(removed in C++23)

Informs the garbage collector or leak detector that the specified memory region (n bytes beginning at the byte pointed to by p

Parameters

p - pointer to the beginning of the range
n - the number of bytes in the range

Return value

(none)

Exceptions

Throws nothing.

See also

(C++11)(removed in C++23)
cancels the effect of std::declare_no_pointers
(function)