find method
Finds a codePoint or return a default item as 'N" (Neutral) category
Implementation
T? find(int target) {
return findIn(codePoints, target);
// var left = 0;
// var right = codePoints.length - 1;
//
// while (left <= right) {
// final middle = (left + right) ~/ 2;
// final middleRange = codePoints[middle] as UcdItemBase;
//
// if (target < middleRange.start) {
// right = middle - 1;
// } else if (target > middleRange.end) {
// left = middle + 1;
// } else {
// return codePoints[middle];
// }
// }
//
// return null;
}