[("tests/examples/Lambda3.hs:1:1-15: Warning: Redundant lambda\nFound:\n f = \\ x -> x + x\nPerhaps:\n f x = x + x\n",[Replace {rtype = Decl, pos = SrcSpan {startLine = 1, startCol = 1, endLine = 1, endCol = 16}, subts = [("body",SrcSpan {startLine = 1, startCol = 11, endLine = 1, endCol = 16}),("a",SrcSpan {startLine = 1, startCol = 6, endLine = 1, endCol = 7})], orig = "f a = body"}])]