I need to create a new core data document apart from the Core-data based
document framework. (*)
I can't pass nil to NSPersistentStoreCoordinator.addPersistentStoreWithType
because that is an error.
So how do I create an in-memory document until such time as it is saved and the
user is prompted for the file location?
I thought maybe I could create an in-memory core data document and then migrate
it to a URL later, but using the debugger, it appears that the normal core-data
based document framework does not do that. (Although it does call migrate for a
Save-As situation).
This makes me think this is not the way to do it. So how do I create a core
data respository when I don't yet know the URL?
It's at times like this I curse Apple for not making their source code visible.
(*) Because my document format is a directory, and the core data component is
only part of it.
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