Difference between revisions of "Code for Bob"
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Tomjaguarpaw (talk | contribs) (Deleted old dead page) |
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| − | [[Category:Code]] |
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| − | <haskell> |
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| − | #!/usr/local/bin/runhugs |
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| − | import "/home/ralf/hudak_soe/HUnit-1.0/HUnit" |
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| − | newtype Lover a = Lover {loverDiary :: (Name,a)} |
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| − | deriving Show |
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| − | type Name = String |
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| − | |||
| − | createLover :: Name -> a -> (Lover a) |
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| − | createLover name times = Lover (name,times) |
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| − | |||
| − | chainAffairs :: Num a => Lover a -> Lover a -> Lover a |
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| − | chainAffairs (Lover (names, oldtimes)) (Lover (newlady, newtimes)) = |
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| − | Lover ((newlady ++ names), (oldtimes + newtimes)) |
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| − | |||
| − | startAffairWith :: Num a => Name -> Lover b -> Lover a |
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| − | startAffairWith name (Lover (names,times)) = Lover (name,0) |
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| − | |||
| − | jenny = startAffairWith "Jenny " |
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| − | luisa = startAffairWith "Luisa " |
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| − | antonia = startAffairWith "Antonia " |
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| − | |||
| − | bob = createLover "Paula " 5 |
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| − | |||
| − | oneMoreTime :: Num a => Lover a -> Lover a |
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| − | oneMoreTime (Lover (name, times)) = Lover (name, times+1) |
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| − | |||
| − | test1 = TestCase (assertEqual "this test" ("Lover{loverDiary=(\"Paula \",5)}") |
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| − | (show bob)) |
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| − | --test1 = TestCase (assertEqual "this test" () ()) |
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| − | tests = TestList [TestLabel "test1" test1] |
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| − | |||
| − | main = do runTestTT tests |
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| − | do |
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| − | let |
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| − | bob' = (oneMoreTime bob) |
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| − | test2 = TestCase (assertEqual |
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| − | "this test" ("Lover{loverDiary=(\"Paula \",6)}") |
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| − | (show bob')) |
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| − | tests2 = TestList [TestLabel "test2" test2] |
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| − | in |
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| − | runTestTT tests2 |
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| − | </haskell> |
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