[("tests/examples/Monad10.hs:1:10-22: Suggestion: Use let\nFound:\n  x <- return y\nPerhaps:\n  let x = y\n",[Replace {rtype = Stmt, pos = SrcSpan {startLine = 1, startCol = 10, endLine = 1, endCol = 23}, subts = [("lhs",SrcSpan {startLine = 1, startCol = 10, endLine = 1, endCol = 11}),("rhs",SrcSpan {startLine = 1, startCol = 22, endLine = 1, endCol = 23})], orig = "let lhs = rhs"}])]