largestPrefixLength static method

int largestPrefixLength(
  1. String first,
  2. String second
)

Finds the length of the largest prefix for two character sequences.

Implementation

static int largestPrefixLength(String first, String second) {
  final commonLength = min(first.length, second.length);

  for (var i = 0; i < commonLength; ++i) {
    if (first[i] != second[i]) return i;
  }

  return commonLength;
}