[("tests/examples/Structure20.hs:2:17-18: Warning: Redundant bang pattern\nFound:\n !1\nPerhaps:\n 1\n",[Replace {rtype = Pattern, pos = SrcSpan {startLine = 2, startCol = 17, endLine = 2, endCol = 19}, subts = [("x",SrcSpan {startLine = 2, startCol = 18, endLine = 2, endCol = 19})], orig = "x"}])]