Copy struct jv

[carttam]

How to copy a struct jv independently (creating a non-reference-based copy)

[wader]

I don't think so but there is PR to add it #3109 but it's been stale for a while but maybe it could be revived. An ugly and slow workaround i guess is to do a dump/parse dance.

[carttam]

Thank you so much, this is incredibly helpful!