[("tests/examples/Extensions7.hs:2:3-58: Suggestion: Use <$>\nFound:\n  fmap return $ dataD (return []) (mkName \"Void\") [] [] []\nPerhaps:\n  return <$> dataD (return []) (mkName \"Void\") [] [] []\n",[Replace {rtype = Expr, pos = SrcSpan {startLine = 2, startCol = 3, endLine = 2, endCol = 59}, subts = [("f",SrcSpan {startLine = 2, startCol = 8, endLine = 2, endCol = 14}),("x",SrcSpan {startLine = 2, startCol = 17, endLine = 2, endCol = 59})], orig = "f <$> x"}])]