C++23 added `allocate_at_least`: https://en.cppreference.com/w/cpp/memory/allocator_traits/allocate_at_least https://en.cppreference.com/w/cpp/memory/allocator_

C++23 added `allocate_at_least`: https://en.cppreference.com/w/cpp/memory/allocator_traits/allocate_at_least https://en.cppreference.com/w/cpp/memory/allocator_traits/al... I'm not sure if any standard libraries have an implementation that takes advantage of the "at least" yet.