[("tests/examples/Default43.hs:1:7: Warning: Use list literal\nFound:\n  elem 1 [] : []\nWhy not:\n  [elem 1 []]\n",[Replace {rtype = Expr, pos = SrcSpan {startLine = 1, startCol = 7, endLine = 1, endCol = 21}, subts = [("a",SrcSpan {startLine = 1, startCol = 7, endLine = 1, endCol = 16})], orig = "[a]"}])]