留学生作业代写 — File : Main.hs

— File : Main.hs
— Author :
— Purpose : Test program for proj2 project to be used in Grok

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module Main where

import System.Exit
import Proj2 (Location, toLocation, fromLocation, feedback,
GameState, initialGuess, nextGuess)

testCase = “F1 D2 G4”

— | Main code to test Proj2 implementations within Grok. This will be run with
— no command line arguments, so there’s no way to specify the target to search
— for. Therefore, I’ve hardwired one test, but students will need to do further
— testing on their own.
main :: IO ()
case mapM toLocation $ words testCase of
proj2test target
putStrLn $ “toLocation Failed to convert one of ” ++ testCase
++ ” to a Location”
exitFailure

— | Guess the given target, counting and showing the guesses.
proj2test :: [Location] -> IO ()
proj2test target = do
putStrLn $ “Searching for target ” ++ showLocations target
let (guess,other) = initialGuess
loop target guess other 1

— | Given a target and guess and a guess number, continue guessing
— until the right target is guessed.
loop :: [Location] -> [Location] -> Proj2.GameState -> Int -> IO ()
loop target guess other guesses = do
putStrLn $ “Your guess #” ++ show guesses ++ “: ” ++ showLocations guess
let answer = feedback target guess
putStrLn $ ” My answer: ” ++ show answer
if answer == (3,0,0)
putStrLn $ “You got it in ” ++ show guesses ++ ” guesses!”
let (guess’,other’) = nextGuess (guess,other) answer
loop target guess’ other’ (guesses+1)

showLocations :: [Location] -> String
showLocations = unwords . (fromLocation <$>)

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