List::slice

Return a new list consisting of the items from index i (inclusive) to index j (exclusive). If j is negative, count backwards from the end.

[10, 11, 12].slice(0, 2) //-> [10, 11]
[10, 11, 12].slice(1, -1) //-> [11]

Source Codepublic method slice<T>(this: List<T>, i: Int, j: Int): List<T> {
  if (j < 0) {
    j = this.len() + j
  }

  let items: List<T> = []

  let index = 0
  for item in this {
    if (index >= i) && (index < j) {
      items = items.append(item)
    }

    index += 1
  }

  items
}