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.
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.
compare for equality with another memory_resource (public member function) |
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