Associative array/Iteration: Difference between revisions
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→{{header|Haskell}}: Slight applicative tidying, to foreground the 3 functions. Added output |
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<lang haskell>import qualified Data.Map as M |
<lang haskell>import qualified Data.Map as M |
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myMap :: M.Map String Int |
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myMap = M.fromList [("hello", 13), ("world", 31), ("!", 71)] |
myMap = M.fromList [("hello", 13), ("world", 31), ("!", 71)] |
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main |
main :: IO () |
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main = |
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print $ M.toList myMap |
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(putStrLn . unlines) $ |
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-- keys |
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[ show . M.toList -- Pairs |
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-- |
, show . M.keys -- Keys |
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, show . M.elems -- Values |
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] <*> |
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pure myMap</lang> |
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{{Out}} |
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<pre>[("!",71),("hello",13),("world",31)] |
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["!","hello","world"] |
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[71,13,31]</pre> |
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=={{header|Icon}} and {{header|Unicon}}== |
=={{header|Icon}} and {{header|Unicon}}== |