First thing in my head is that this may be an XY Problem. I think. What is it that you're trying to solve by using a dynamic code reference?
The reason why I'm not sure is that I do know of uses for dynamic code references - I've done it many times when I'm using input from files and I can conceptualise things better as embedding the data in the code than any other way. But this doesn't appear that way (so far).
That said, the eval won't happen until it is called by DFV. But I'm not really sure that's what you want.
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