iterator

vector := NewVector()
vector.Push(1)
vector.Push(2)
vector.Push(3)

for iter := vector.Begin(); iter != vector.End(); iter = iter.Next() {
	value := iter.Data().(int)
	fmt.Println(value)
}

Output:

1
2
3

vector := NewVector()
vector.Push(1)
vector.Push(2)
vector.Push(3)
vector.Push(4)
vector.Pop()

for iter := vector.RightBegin(); iter != vector.RightEnd(); iter = iter.Prev() {
	value := iter.Data().(int)
	fmt.Println(value)
}

Output:

3
2
1