[("tests/examples/Default24.hs:1:7-51: Suggestion: Use list comprehension\nFound:\n if Debug `elem` opts then [\"--debug\"] else []\nPerhaps:\n [\"--debug\" | Debug `elem` opts]\n",[Replace {rtype = Expr, pos = SrcSpan {startLine = 1, startCol = 7, endLine = 1, endCol = 52}, subts = [("b",SrcSpan {startLine = 1, startCol = 10, endLine = 1, endCol = 27}),("x",SrcSpan {startLine = 1, startCol = 34, endLine = 1, endCol = 43})], orig = "[x | b]"}])]