main.dart

import 'package:test/test.dart';
import 'package:lexicographical_order/lexicographical_order.dart';

void main() {
  test('Output', () {
    final first = generateOrderKeys(1).first;
    print('first: $first'); // a
    final previous = between(next: first);
    print('previous: $previous'); // N
    final next = between(prev: first); // n
    print('next: $next');
    final firstNext = between(prev: first, next: next); // n
    print('firstNext: $firstNext'); // h
    // [N, a, h, n]
    print([first, previous, next, firstNext]..sort());

    final value100 = List.generate(100, (index) => index).fold(
      first,
      ((String result, _) => between(prev: result, next: next)),
    );
    // mzzzzzzzzzzzzzzzzzzzn
    print('value100: $value100');
  });
}