Method UnescapedIndex

include/sonic/internal/arch/neon/unicode.h:56–59

    return TrailingZeroes(bs_bits) >> 2;
  }
  sonic_force_inline int UnescapedIndex() const {
    // return TrailingZeroes(unescaped_bits);
    return TrailingZeroes(unescaped_bits) >> 2;
  }

  uint64_t bs_bits;
  uint64_t quote_bits;