I've been flattered by all the #ScalaThankYou messages this week, but they've revealed to me that there are many more people than I realised quietly using Magnolia for generic derivation! If you're using it and I might not know you are, please let me know so I can compile a list!
Have you seen the derivation "stack traces", like the one 2/3 of the way down this page: https://propensive.com/opensource/magnolia … ? These don't appear if you're deriving implicitly, but if you explicitly request a derivation (e.g. something like Type.gen[Type]), you should see it.
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Yeah, my advice in case of errors is to add the derivation explicitly but most users wish it would work out without any boilerplate

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If I remember correctly, the problem was that it resulted in lots of false positives when Magnolia-derived implicits were considered for types which were later satisfied by different implicits.
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