Comments (2)
ndmitchell
commented on April 19, 2024
The problem in this case is that CStatAnn is a type alias, defined with type CStatAnn = .... You should not define instances for type aliases, but should instead define them for the data types like CStatement.
Certainly could be a better error message!
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tamarit
commented on April 19, 2024
Ah ok. I didn't know that sorry. Makes sense :)
Thank Neil for the info.
Salva
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