findDiffIndex static method

int findDiffIndex(
  1. String a,
  2. String b
)

Implementation

static int findDiffIndex(String a, String b) {
  final minLen = a.length < b.length ? a.length : b.length;
  for (var i = 0; i < minLen; i++) {
    if (a[i] != b[i]) return i;
  }
  if (a.length != b.length) return minLen;
  return -1;
}