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#pragma once
#include <bit>
#include <concepts>
template <std::integral T>
requires(sizeof(T) <= 8)
T to_little(T x)
{
if constexpr (std::endian::native == std::endian::little || sizeof(T) == 1) {
return x;
}
switch (sizeof(T)) {
case 2:
return __builtin_bswap16(x);
case 4:
return __builtin_bswap32(x);
case 8:
return __builtin_bswap64(x);
}
}
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