splitByBigram method

List<String> splitByBigram()

Convert String to Bigram, i.e., an array of two characters each.

StringをBigram、つまり2文字ずつの配列に変換します。

final text = "abcde";
final characters = ["ab", "bc", "cd", "de"];

Implementation

List<String> splitByBigram() {
  if (isEmpty) {
    return <String>[];
  }
  if (length <= 2) {
    return [this];
  }
  final tmp = <String>[];
  for (int i = 0; i < length - 1; i++) {
    tmp.add(substring(i, min(i + 2, length)));
  }
  return tmp;
}