Function FindFirstBit

src/core/bitmath_func.hpp:189–198

 */
template <typename T>
constexpr uint8_t FindFirstBit(T x)
{
	if (x == 0) return 0;

	if constexpr (std::is_enum_v<T>) {
		return std::countr_zero<std::underlying_type_t<T>>(x);
	} else {
		return std::countr_zero(x);
	}
}

/**
 * Search the last set bit in a value.