An object for tracking a placeholder cell that you added to your table during a drop operation.
- iOS 11.0+
- Mac Catalyst 13.0+
Do not create instances of this class yourself. Instead, call
drop(_: from your drop coordinator object. That method inserts a placeholder cell into the table and returns a
UITable object for managing that placeholder.
When you are ready to swap a placeholder cell for a cell with the actual data, call the
commit method of the context object. To remove the placeholder cell without providing a replacement, call