has a small example of Haskell's expressive power and the same code written in Java. Both take five lines of code to "[go] through a parse tree of Haskell source code, locates every reference to an identifier that ends with 'Widget', puts it on a list, and removes duplicates so every identifier is represented in the list only once." Impressive. I believe that Haskell code is a bit more general and argues that it's more maintainable. You be the judge.

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