File: Test63.hs

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{-# LANGUAGE DataKinds, DeriveGeneric, TypeApplications #-}
module Test63 (example) where
import Data.Generics.Product (types)
import Data.Generics.Internal.VL.Lens (over)
import Data.Word (Word32)
import GHC.Generics (Generic)

data Record = Record {field1 :: Word32, field2 :: Int}
    deriving (Generic, Show)

example :: Record
example = over (types @Int) (+1) (Record 0 0)