[("tests/examples/Default3.hs:1:7-47: Warning: Use concatMap\nFound:\n concat . map (\\ x -> if x == e then l' else [x])\nPerhaps:\n concatMap (\\ x -> if x == e then l' else [x])\n",[Replace {rtype = Expr, pos = SrcSpan {startLine = 1, startCol = 7, endLine = 1, endCol = 48}, subts = [("f",SrcSpan {startLine = 1, startCol = 18, endLine = 1, endCol = 48})], orig = "concatMap f"}])]