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universe polymoprhism #317

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@gares gares commented Oct 6, 2022

depends on LPCIC/coq-elpi#393

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gares commented Oct 6, 2022

@CohenCyril it passes the first mixin

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gares commented Oct 6, 2022

This is getting interesting:

File "./examples/cat/upoly_cat.v", line 26, characters 0-66:
Warning: upoly_cat_HasHom_mixin cannot be defined because it is not typable.
[cannot-define-projection,records]
File "./examples/cat/upoly_cat.v", line 26, characters 0-66:
Error: BUG: we build a class with an anonymous field: none = some X0

Form some reasons the projection is not generated, and we fails badly if a fields has no name (aka projection).

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