haskell-servant / haskell-servant/servant
Generic records causes very slow compile times
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performance
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Description
apparently, large APIs using the `Servant.API.Generic` record mechanism are orders of magnitude slower to compile than their `:<|>` equivalent
https://twitter.com/mattoflambda/status/1041622124576661504
I'm not sure how much we can do about this, but we could at least benchmark, create a minimal example that triggers this behaviour, and submit it to GHC as a bug
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