https://stackoverflow.com/questions/14946012/how-do-i-run-a-reoccurring-function-in-dart

Dartでrange 5つの要素を0, 1, 2, 3, 4 List<int>.generate(5, (i) => i) List<int>.generate(5, (i) => i + 1) なら 1, 2, 3, 4, 5 https://stackoverflow.com/questions/37798397/dart-create-a-list-from-0-to-n</int></int>