[("tests/examples/Extensions7.hs:2:3: Warning: Use <$>\nFound:\n  fmap return $ dataD (return []) (mkName \"Void\") [] [] []\nWhy not:\n  (return Control.Applicative.<$>\n     dataD (return []) (mkName \"Void\") [] [] [])\n",[Replace {rtype = Expr, pos = SrcSpan {startLine = 2, startCol = 3, endLine = 2, endCol = 59}, subts = [("f",SrcSpan {startLine = 2, startCol = 8, endLine = 2, endCol = 14}),("x",SrcSpan {startLine = 2, startCol = 17, endLine = 2, endCol = 59})], orig = "f Control.Applicative.<$> x"}])]