code: func (v *ListStore) Swap(a, b *TreeIter) {
  	C.gtk_list_store_swap(v.native(), a.native(), b.native())
  }
docs: // TODO(jrick)
  /*
  func (v *ListStore) Reorder(newOrder []int) {
  }
  */
  // Swap() is a wrapper around gtk_list_store_swap().