45 lines
1,007 B
Haskell
45 lines
1,007 B
Haskell
module SuperKarel where
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import Karel
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frontIsBlocked :: Karel -> Bool
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frontIsBlocked = not . frontIsClear
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leftIsClear :: Karel -> Bool
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leftIsClear = frontIsClear . turnLeft
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leftIsBlocked :: Karel -> Bool
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leftIsBlocked = not . leftIsClear
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rightIsClear :: Karel -> Bool
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rightIsClear = frontIsClear . turnLeft . turnLeft . turnLeft
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rightIsBlocked :: Karel -> Bool
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rightIsBlocked = not . rightIsClear
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noBeepersPresent :: Karel -> Bool
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noBeepersPresent = not . beepersPresent
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notFacingNorth :: Karel -> Bool
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notFacingNorth = not . facingNorth
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facingSouth :: Karel -> Bool
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facingSouth = (== South) . direction
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notFacingSouth :: Karel -> Bool
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notFacingSouth = not . facingSouth
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facingEast :: Karel -> Bool
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facingEast = (== East) . direction
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notFacingEast :: Karel -> Bool
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notFacingEast = not . facingEast
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facingWest :: Karel -> Bool
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facingWest = (== West) . direction
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notFacingWest :: Karel -> Bool
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notFacingWest = not . facingWest
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noBeepersInBag :: Karel -> Bool
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noBeepersInBag = not . beepersInBag
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