haskell-workshop/exercises/block1/1-leap/leap.hs

24 lines
881 B
Haskell

import System.IO
isLeapYear :: Int -> Bool
isLeapYear year -- implement here
main :: IO ()
main = do
inputContent <- readFile "example-input"
outputContent <- readFile "example-output"
let years = map read (lines inputContent) :: [Int]
expectedResults = map read (lines outputContent) :: [Bool]
actualResults = map isLeapYear years
incorrect = [(y, e, a) | (y, e, a) <- zip3 years expectedResults actualResults, e /= a]
if null incorrect
then putStrLn "All leap year checks passed successfully."
else do
putStrLn "Errors found in leap year calculation:"
mapM_ (\(y, e, a) -> putStrLn $ "Year: " ++ show y ++ ", Expected: " ++ show e ++ ", Got: " ++ show a) incorrect
-- let results = map (show . isLeapYear . read) (lines inputContent)
-- writeFile "example-output" (unlines results)