30秒学会 Dart 片段 – drop

Returns a new list with n elements removed from the left.

Use List.sublist() to remove the specified number of elements from the left.

代码实现

List<T> drop<T>(List<T> lst, [int n = 1]) {
  return lst.sublist(n);
}

使用样例

drop([1, 2, 3]); // [2,3]
drop([1, 2, 3], 2); // [3]