Coercions.bpl(13,8): Error: int cannot be coerced to E [a]int Coercions.bpl(15,8): Error: C cannot be coerced to D Coercions.bpl(17,9): Error: int cannot be coerced to D Coercions.bpl(18,9): Error: int cannot be coerced to E int 4 type checking errors detected in Coercions.bpl