[("tests/examples/Monad17.hs:1:17-41: Suggestion: Use void\nFound:\n  foldM f a xs >> return ()\nPerhaps:\n  Control.Monad.void (foldM f a xs)\n",[Replace {rtype = Expr, pos = SrcSpan {startLine = 1, startCol = 17, endLine = 1, endCol = 42}, subts = [("a",SrcSpan {startLine = 1, startCol = 17, endLine = 1, endCol = 29})], orig = "Control.Monad.void (a)"}])]