extCHECKSUM function

dynamic extCHECKSUM(
  1. dynamic value
)

CHECKSUM(str): XOR checksum

Implementation

dynamic extCHECKSUM(dynamic value) {
  final s = varToStr(value);
  int cs = 0;
  for (final c in s.codeUnits) {
    cs ^= c;
  }
  return cs;
}