checkListPointers(l2, []*(_Element[int]){e1, e4, e2, e3})
	l2.Remove(e2)

	e2 = l2.InsertAfter(2, e1) // insert after front
	checkListPointers(l2, []*(_Element[int]){e1, e2, e4, e3})
	l2.Remove(e2)
	e2 = l2.InsertAfter(2, e4) // insert after middle
	checkListPointers(l2, []*(_Element[int]){e1, e4, e2, e3})
	l2.Remove(e2)
	e2 = l2.InsertAfter(2, e3) // insert after back
	checkListPointers(l2, []*(_Element[int]){e1, e4, e3, e2})

	v.SetLen(l - 1)
	c.iter.step--
}

// InsertAfter inserts n after the current Node in its containing slice.
// If the current Node is not part of a slice, InsertAfter panics.
// Apply does not walk n.
func (c *Cursor) InsertAfter(n ast.Node) {
	i := c.Index()
	if i < 0 {
		panic("InsertAfter node not contained in slice")
	}
	v := c.field()