[("test.hs:(2,1)-(4,17): Warning: Redundant lambda\nFound:\n  f = (\\ b\n         -> (case b of\n               False -> 1\n               True -> 0))\nPerhaps:\n  f b\n    = case b of\n        False -> 1\n        True -> 0\n",[Replace {rtype = Decl, pos = SrcSpan {startLine = 2, startCol = 1, endLine = 4, endCol = 18}, subts = [("body",SrcSpan {startLine = 2, startCol = 15, endLine = 4, endCol = 16}),("a",SrcSpan {startLine = 2, startCol = 8, endLine = 2, endCol = 9})], orig = "f a = body"}])]