Interactive code snippets not yet available for SoH 2.0, see our Status of of School of Haskell 2.0 blog post This week, on /r/haskell: "I still want a reflection tutorial!" - Oliver Charles The configurations problemSeveral years ago, Oleg Kiselyov and Chung-chieh Shan wrote a paper entitled "Functional Pearl: Implicit configurations". It's actually a very fascinating paper and it's very readable
While popular in Haskell, monads can be encoded effectively in OCaml too. This post describes one such encoding, as well as the process of developing a modern OCaml program. I assume that you know what monads are and why you should care about them. If this is not the case, then there are some excellent books 1 out there. Introduction Haskell is famous for the integration of monads in its core lang
-- | Download the specified URL (..) -- -- This function will 'throwIO' an 'HttpException' for (..) simpleHttp :: MonadIO m => String -> m ByteString Notice that part of the semantics of this function—that it may throw an HttpException—is encoded in a comment, which the compiler cannot check. This is because Haskell’s notion of exceptions offers no mechanism for advertising to the user the fact th
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