This is an interesting post on /r/dependent_types that talks about expressing row polymorphism using groupoids in cubical type-theory - not sure I understand much of it but it seems intriguing! 😅
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I've wondered in the past if you could have 'dependent rows' - ie. where entries in the row can have dependencies between them. A potential use case would be row-polymorphic modules, or for metaprogramming with modules. 🤔
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Yeah, it seems hard. Really wish it was easier to program with ‘graphs’ of terms and types. Where nodes may or may not have dependencies between them.
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Dunno if contextual type theory is at all helpful here? Need to get around to reading the Cocon paper at some stage! arxiv.org/abs/1901.03378