20 Memory management library [mem]

20.4 Memory resources [mem.res]

20.4.2 Class memory_­resource [mem.res.class]

20.4.2.4 Equality [mem.res.eq]

bool operator==(const memory_resource& a, const memory_resource& b) noexcept;
Returns: &a == &b || a.is_­equal(b).