July 2023
Intermediate to advanced
670 pages
17h 13m
English
Content preview from Effective HaskellBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Summary
Monad transformers are one of the most important concepts to understand as you start to work with real-world Haskell applications. Not every production application uses monad transformers, but they offer a well-understood solution to solve the common problem of composing different side effects, and there is a rich ecosystem of Haskell libraries that make use of monad transformers. Now that you’ve worked through implementing a few of your own transformers, and gotten to see how to use both direct style and MTL style encodings, you will be prepared to work with many different Haskell applications.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.