[("tests/examples/Structure19.hs:2:17-25: Warning: Redundant bang pattern\nFound:\n !(x : xs)\nPerhaps:\n (x : xs)\n",[Replace {rtype = Pattern, pos = SrcSpan {startLine = 2, startCol = 17, endLine = 2, endCol = 26}, subts = [("x",SrcSpan {startLine = 2, startCol = 18, endLine = 2, endCol = 26})], orig = "x"}])]