[("tests/examples/Default51.hs:1:7-32: Warning: Use when\nFound:\n  if p then s else return ()\nPerhaps:\n  Control.Monad.when p s\n",[Replace {rtype = Expr, pos = SrcSpan {startLine = 1, startCol = 7, endLine = 1, endCol = 33}, subts = [("x",SrcSpan {startLine = 1, startCol = 10, endLine = 1, endCol = 11}),("y",SrcSpan {startLine = 1, startCol = 17, endLine = 1, endCol = 18})], orig = "Control.Monad.when x y"}])]