alignment.h

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#pragma once
 
#include <cstddef>
 
namespace ktl::detail
{
    constexpr size_t ALIGNMENT = alignof(std::max_align_t);
    constexpr size_t ALIGNMENT_MASK = ALIGNMENT - 1;
 
    constexpr inline size_t align_to_architecture(size_t n) noexcept
    {
        size_t align = n & ALIGNMENT_MASK;
        if (align != 0)
            return ALIGNMENT - align;
 
        return 0;
    }
}