This function is a little bit more convenient than setting the value directly, as it'll mark itself as
needing an update. Additionally, it returns the slot, not the given node, so you can assign a value to a
constructed slot while adding it to the scene tree.
Change the node in the slot.
This function is a little bit more convenient than setting the value directly, as it'll mark itself as needing an update. Additionally, it returns the slot, not the given node, so you can assign a value to a constructed slot while adding it to the scene tree.