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Learning Haskell

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There is also a [http://www.haskell.org/haskellwiki/Comparison table comparing Haskell to other functional languages]. Many questions about functional programming are answered by the [http://www.cs.nott.ac.uk/~gmh//faq.html comp.lang.functional FAQ].
 
There is also a [http://www.haskell.org/haskellwiki/Comparison table comparing Haskell to other functional languages]. Many questions about functional programming are answered by the [http://www.cs.nott.ac.uk/~gmh//faq.html comp.lang.functional FAQ].
   
You can ask questions to members of the Haskell community on mailing lists, IRC, or StackOverflow.
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You can ask questions to members of the Haskell community on mailing lists, IRC, or StackOverflow. We recommend installing the [http://www.haskell.org/platform/ Haskell Platform].
 
==Implementations==
 
 
Here is an overview about Haskell implementations (for new, or non-expert users, we recommend starting with the [http://www.haskell.org/platform/ Haskell Platform]).
 
 
{| border=1 cellspacing=0 cellpadding=5 bgcolor=#FFFFFF width=100%|
 
|-
 
|
 
! Messages
 
! Size
 
! Tools
 
! Remarks
 
|-
 
| [http://www.haskell.org/ghc/ GHC]
 
| +
 
| -
 
| ++
 
| Many language extensions; generated code is very fast. ''The most popular implementation.''
 
|-
 
| [http://www.haskell.org/hugs/ Hugs]
 
| +/-
 
| ++
 
| -
 
| Fast compilation; used a lot for learning Haskell and rapid code development. See also [[WinHugs]].
 
|-
 
| [http://www.cs.york.ac.uk/fp/nhc98/ nhc98]
 
| +
 
| +
 
| ++
 
| Profiling, debugging, tracing. ''Not actively developed.''
 
|-
 
| [[Yhc]]
 
| +
 
| +
 
| ?
 
| Compiles to bytecodes. Runtime easily portable. ''Not actively developed.''
 
|-
 
| [http://www.cs.uu.nl/wiki/Helium Helium]
 
| ++
 
| ++
 
| -
 
| No type classes (yet!) and thus incompatible with most material on this site. Made for teaching/learning. Excellent error messages.
 
|-
 
| [http://www.cs.uu.nl/wiki/UHC UHC]
 
| +/-
 
| -
 
| +/-
 
| Developed for experimentation with language features. As a Haskell compiler still under development.
 
|}
 
 
Detailed information on the implementations can be found in a [[Implementations|separate article]].
 
 
   
 
== Training courses ==
 
== Training courses ==
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Short training courses aimed at existing programmers
 
Short training courses aimed at existing programmers
   
* [http://www.well-typed.com/services_training On-site and public training courses] by Well-Typed (2-day intro course, 2-day advanced course)
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* [http://www.well-typed.com/services_training On-site and public training courses] by Well-Typed (2-day intro, 2-day advanced, custom on-site courses)
 
* [http://www.cs.ox.ac.uk/softeng/subjects/FPR.html Software Engineering course on Functional Programming] at the University of Oxford (1-week course)
 
* [http://www.cs.ox.ac.uk/softeng/subjects/FPR.html Software Engineering course on Functional Programming] at the University of Oxford (1-week course)
 
* [http://www.cs.uu.nl/wiki/USCS Summerschool on Applied Functional Programming] at Utrecht University (2-week course)
 
* [http://www.cs.uu.nl/wiki/USCS Summerschool on Applied Functional Programming] at Utrecht University (2-week course)
 
   
 
== Material for self-study ==
 
== Material for self-study ==
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=== Type classes ===
 
=== Type classes ===
   
* [http://homepages.inf.ed.ac.uk/wadler/papers/class/class.ps.gz The paper that at first time introduced type classes and their implementation using dictionaries]
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* [http://homepages.inf.ed.ac.uk/wadler/papers/class/class.ps.gz The paper that for the first time introduced type classes and their implementation using dictionaries]
 
* [[Research papers/Type systems#Type classes|More papers on the type classes]]
 
* [[Research papers/Type systems#Type classes|More papers on the type classes]]
   

Revision as of 12:53, 5 May 2013


This portal points to places where you can go if you want to learn Haskell.

The Introduction to Haskell on the Haskell website tells you what Haskell gives you: substantially increased programmer productivity, shorter, clearer, and more maintainable code, fewer errors, higher reliability, a smaller semantic gap between the programmer and the language, shorter lead times. There is an old but still relevant paper about Why Functional Programming Matters (PDF) by John Hughes. More recently, Sebastian Sylvan wrote an article about Why Haskell Matters.

There is also a table comparing Haskell to other functional languages. Many questions about functional programming are answered by the comp.lang.functional FAQ.

You can ask questions to members of the Haskell community on mailing lists, IRC, or StackOverflow. We recommend installing the Haskell Platform.

Contents

1 Training courses

Short training courses aimed at existing programmers

2 Material for self-study

Below there are links to certain introductory material. If you want to dig deeper, see Books and tutorials.

2.1 Textbooks

2.2 Online tutorials

2.3 Advanced tutorials

2.4 Debugging/profiling/optimization

2.5 Monads

2.6 Type classes

2.7 Generic programming

2.8 Popular libraries

2.9 Reference

2.10 Course material