parse error at (line 1, column 2):

unexpected ")"

expecting words or "("

parse error at (line 2, column 3):

unexpected variance of result kind

expecting cross or "->"

parse error at (line 3, column 4):

unexpected variance of result kind

expecting cross or "->"

parse error at (line 4, column 4):

unexpected product result kind

expecting casl char, underline word, "[", "+", "-", cross or "->"

parse error at (line 5, column 6):

unexpected variance of result kind

expecting cross or "->"

parse error at (line 6, column 8):

unexpected variance of result kind

expecting cross or "->"

parse error at (line 7, column 10):

unexpected product result kind

expecting casl char, underline word, "[", "+", "-", cross or "->"

parse error at (line 8, column 11):

unexpected "+"

expecting cross, "->" or ")"

parse error at (line 9, column 10):

unexpected variance of result kind

expecting cross or "->"

parse error at (line 10, column 11):

unexpected variance of result kind

expecting cross or "->"

parse error at (line 11, column 7):

unexpected variance of result kind

expecting cross or "->"

parse error at (line 12, column 7):

unexpected variance of result kind

expecting cross or "->"