deque-blog/rapid_check_3_eval_sub_prop.hs

## rapid_check_3_eval_sub_prop.hs
evalSubProp :: Testable t => (a -> t) -> StdGen -> a -> Result
evalSubProp prop rand = (`runProp` rand) . property . prop
	evalSubProp :: Testable t => (a -> t) -> StdGen -> a -> Result
	evalSubProp prop rand = (`runProp` rand) . property . prop