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jmikkola/runtime_types.hs

Created May 1, 2019 04:10
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runtime_types.hs
import System.IO (hFlush, stdout)
main :: IO ()
main = do
putStr "enter a number> "
hFlush stdout
line <- getLine
runNested (read line) True
-- a will be the type Bool wrapped in a List n times by the end
runNested :: (Show a) => Int -> a -> IO ()
runNested 0 val = putStrLn $ show val
runNested n val = runNested (n - 1) [val]
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