[("tests/examples/Structure22.hs:1:11-12: Warning: Redundant irrefutable pattern\nFound:\n ~x\nPerhaps:\n x\n",[Replace {rtype = Pattern, pos = SrcSpan {startLine = 1, startCol = 11, endLine = 1, endCol = 13}, subts = [("x",SrcSpan {startLine = 1, startCol = 12, endLine = 1, endCol = 13})], orig = "x"}])]