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std::pmr::memory_resource::do_is_equal

From cppreference.com
 
C++
 
Memory management library
(exposition only*)
Allocators
Uninitialized memory algorithms
Constrained uninitialized memory algorithms
Memory resources
Uninitialized storage (until C++20)
(until C++20*)
(until C++20*)

Garbage collector support (until C++23)
(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)
(C++11)(until C++23)
 
std::pmr::memory_resource
virtual bool do_is_equal( const std::pmr::memory_resource& other ) const noexcept = 0;
(since C++17)

Compares *this for equality with other.

Two memory_resources compare equal if and only if memory allocated from one memory_resource can be deallocated from the other and vice versa.

[edit] Notes

The most-derived type of other may not match the most derived type of *this. A derived class implementation therefore must typically check whether the most derived types of *this and other match using dynamic_cast, and immediately return false if the cast fails.

[edit] See also

compare for equality with another memory_resource
(public member function) [edit]

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