Function IsHex

src/utils/string_util.cc:19–21

}

char IsHex(uint8_t i) {
  return ((i >= '0' && i <= '9') || (i >= 'a' && i <= 'f') || (i >= 'A' && i <= 'F'));
}

char ToHex(uint8_t i) {
  char j = 0;