265   struct base_u8 {  struct
266     uint8x16_t value;
267     static const int SIZE = sizeof(value);
270     simdutf_really_inline base_u8(const uint8x16_t _value) : value(_value) {}  in base_u8()  argument
271     simdutf_really_inline operator const uint8x16_t&() const { return this->value; }  in operator const uint8x16_t&()
272     simdutf_really_inline operator uint8x16_t&() { return this->value; }  in operator uint8x16_t&()
273     simdutf_really_inline T first() const { return vgetq_lane_u8(*this,0); }  in first()
274     simdutf_really_inline T last() const { return vgetq_lane_u8(*this,15); }  in last()
277 …utf_really_inline simd8<T> operator|(const simd8<T> other) const { return vorrq_u8(*this, other); }  in operator |()
278 …utf_really_inline simd8<T> operator&(const simd8<T> other) const { return vandq_u8(*this, other); }  in operator &()
279 …utf_really_inline simd8<T> operator^(const simd8<T> other) const { return veorq_u8(*this, other); }  in operator ^()
280 …tf_really_inline simd8<T> bit_andnot(const simd8<T> other) const { return vbicq_u8(*this, other); }  in bit_andnot()
281     simdutf_really_inline simd8<T> operator~() const { return *this ^ 0xFFu; }  in operator ~()
282 …uto this_cast = static_cast<simd8<T>*>(this); *this_cast = *this_cast | other; return *this_cast; }  in operator |=()
283 …uto this_cast = static_cast<simd8<T>*>(this); *this_cast = *this_cast & other; return *this_cast; }  in operator &=()
284 …uto this_cast = static_cast<simd8<T>*>(this); *this_cast = *this_cast ^ other; return *this_cast; }  in operator ^=()
289     simdutf_really_inline simd8<T> prev(const simd8<T> prev_chunk) const {  in prev()