config :: [(String, [(String, String)])]; config = [ ("database", [("path", "var/app/db"), ("encoding", "euc-jp")]), ("urlmapper", [("cgiurl", "/app"), ("rewrite", "True")]), ("template", [("path", "/var/app/template")]) ] main = print $ c…

main = print $ fact 3 fact :: Int -> Int fact 0 = 1 fact x = x * fact (x - 1)

Haskellの多相型と型クラスって C++0xのテンプレートとコンセプトの関係に似てるなー