[("tests/examples/Lambda37.hs:1:1-36: Warning: Eta reduce\nFound:\n foo d a c b = bar (flux ++ quux) c b\nPerhaps:\n foo d a = bar (flux ++ quux)\n",[Replace {rtype = Decl, pos = SrcSpan {startLine = 1, startCol = 1, endLine = 1, endCol = 37}, subts = [("body",SrcSpan {startLine = 1, startCol = 15, endLine = 1, endCol = 33}),("a",SrcSpan {startLine = 1, startCol = 5, endLine = 1, endCol = 6}),("b",SrcSpan {startLine = 1, startCol = 7, endLine = 1, endCol = 8})], orig = "foo a b = body"}])]