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Real-world Haskell: it's time!
Bryan O'Sullivan, Don Stewart and John Goerzen are pleased, and
frankly, very excited to announce that we're developing a new book for
O'Reilly, on practical Haskell programming. The working title is
"Real-World Haskell".
The plan is to cover the major techniques used to write serious,
real-world Haskell code, so that programmers can just get to work in
the language. By the end of the book readers should be able to write
real libraries and applications in Haskell, and be able to:
* design data structures
* know how to write, and when to use, monads and monad transformers
* use Haskell's concurrency and parallelism abstractions
* be able to write parsers for custom formats in Parsec.
* be able to do IO and binary IO of all forms
* be able to bind Haskell to foreign functions in C
* be able to do database, network and gui programming
* know how to do exception and error handling in Haskell
* have a good knowledge of the core libraries
* be able to use the type system to track and prevent errors
* take advantage of tools like QuickCheck, Cabal and Haddock
* understand advanced parts of the language, such as GADTs and MPTCs.
That is, you should be able to just write Haskell!
The existing handful of books about Haskell are all aimed at teaching
programming to early undergraduate audiences, so they are ill-suited
to people who already know how to code. And while there's a huge body
of introductory material available on the web, you have to be both
tremendously motivated and skilled to find the "good stuff" and apply
it to your own learning needs.
The time has come for the advanced, practical Haskell book.
Here's the proposed chapter outline:
1. Why functional programming? Why Haskell?
2. Getting started: compiler, interpreter, values, simple functions,
and types
3. Syntax, type system basics, type class basics
4. Write a real library: the rope data structure, cabal, building
5. Typeclasses and their use
6. Bringing it all together: file name matching and regular
7. All about I/O
8. I/O case study: a DSL for searching the filesystem
9. Code case study: barcode recognition
10. Testing the Haskell way: QuickCheck
11. Handling binary files and formats
12. Designing and using data structures
13. Monads
14. Monad case study: refactoring the filesystem seacher
15. Monad transformers
16. Using parsec: parsing a bioinformatics format
17. Interfacing with C: the FFI
18. Error handling
19. Haskell for systems programming
20. Talking to databases: Data.Typeable
21. Web client programming: client/server networking
22. GUI programming: gtk2hs
23. Data mining and web applications
24. Basics of concurrent and parallel Haskell
25. Advanced concurrent and parallel programming
26. Concurrency case study: a lockless database with STM
27. Performance and efficiency: profiling
28. Advanced Haskell: MPTCs, TH, strong typing, GADTs
29. Appendices
We're seeking technical reviewers from both inside and outside the
Haskell community, to help review and improve the content, with the
intent that this text will become the standard reference for those
seeking to learn serious Haskell. If you'd like to be a reviewer,
please drop us a line at
and let us know a little about your background and areas of interest.
Finally, a very exciting aspect of this project is that O'Reilly has
agreed to publish chapters online, under a Creative Commons License!
We'll be publishing chapters incrementally, and seeking feedback from
our reviewers and readers as we go.
You can find more details and updates at the following locations:
* [The web site](
* [The authors](
* [The blog](