Handle Functor Composition in Generic Instances #1108
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Second attempt at fixing #1059 after #1103 did not cover all cases. First discussion of the approach in #1059 (comment).
Tasks:
GOmitFromJSONandGOmitToJSONtype classes and instancesS1 s *instances with single generic implementation based onGOmitFromJSONandGOmitToJSONGFromJSON a (f :.: g)andGToJSON' e a (f :.: g)recordParseJSONImplthat now has just a single call siteI would be grateful for feedback by people more knowledgeable about the existing infrastructure than me.