It Drop

seq := func(yield func(int) bool) {
    _ = yield(1)
    _ = yield(2)
    _ = yield(3)
    _ = yield(4)
    _ = yield(5)
}
dropped := it.Drop(seq, 2)
var result []int
for v := range dropped {
    result = append(result, v)
}
// result contains 3, 4, 5