メタプãƒã‚°ãƒ©ãƒŸãƒ³ã‚°ã®å…‰ã¨é—‡ 〜 Haskell ç·¨ 〜1 Haskell IIJ 2 Haskell 3 Haskell Haskell 2010 Language Report Haskell 98 4 Glasgow Haskell Compiler 5 Haskell 6 Haskell type FilePath = String newtype PostalCode = PostalCode Int Java data Tree a = Leaf | Node a (Tree a) (Tree a) lookup :: k -> Map k v -> Maybe v lookup = ... 7 Haskell 8 9 Haskell 10 Haskell 1 11 Haskell 12 Haskell 13 14 15 Haskell 16 17 18 QuickCheck QuickCheck QuickCheck qsort
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