deque-blog/rapid_check_invalid_property.hs

## rapid_check_invalid_property.hs
prop_gcd_bad :: Integer -> Integer -> Bool
prop_gcd_bad a b = gcd a b > 1

rapidCheck prop_gcd_bad
> Failure {seed = -1437169021,
           counterExample = ["1076253199","40866101"]}
	prop_gcd_bad :: Integer -> Integer -> Bool
	prop_gcd_bad a b = gcd a b > 1

	rapidCheck prop_gcd_bad
	> Failure {seed = -1437169021,
	counterExample = ["1076253199","40866101"]}