*Main> test0
whoerllldo*Main> 
*Main> add' 3 4 (\ s -> s)
7
*Main> pythagoras' 3 4 id
25
*Main> fact' 3 id 
6
*Main> fact' 4 id 
24
*Main> fact' 5 id 
120
*Main> :t pythagoras'' 3 4 
pythagoras'' 3 4 :: Cont r Int
*Main> :t runCont
runCont :: Cont r a -> (a -> r) -> r
*Main> pythagoras'' 3 4 

<interactive>:16:1: error:
    • No instance for (Show (Cont r0 Int))
        arising from a use of ‘print’
    • In a stmt of an interactive GHCi command: print it
*Main> runCont (pythagoras'' 3 4) id 
25
*Main> :t Atomic
Atomic :: IO Action -> Action
*Main> :t scheduler
scheduler :: [Action] -> IO ()
*Main> run action11
helloworld*Main>