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Functional Programming eXchange 2012: Andres Löh on Haskell for embedded domain-specific languages
Haskell for embedded domain-specific languages
A domain-specific language (DSL) is a usually small language for a dedicated domain with its own unique appearance and rules for composition. Haskell has a very flexible syntax, and offers higher-order functions. Therefore, we can often mimic the visual style of a particular domain directly within the language, yielding an embedded DSL.

The advantages of embedding DSLs are that we can use Haskell's strong type system to ensure the correctness of our DSL programs, saving us the work of implementing a full compiler. Furthermore, we can use all of Haskell's abstraction facilities, thereby making the DSL more powerful than it might at first appear. Finally, we can easily mix different DSLs in a single program.

The Haskell world is full of DSLs being used for various things such as parsing, testing, interfacing to databases, generating content for the web, composing music, images and animations etc. In this talk, we will look at a number of example EDSLs and explore some fundamental principles, with the goal of highlighting the many advantages (and the few disadvantages) of the EDSL approach as well as providing advice for the design of new EDSLs.

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Functional Programming eXchange 2013

 Skills Matter is pleased to announce the Fourth Functional Programming eXchange our annual conference on the functional programming paradigm, practices, technologies and ideas. Join us for a day of talks, open-space discussions and brainstorming on Functional Programming, to share common challenges in the different languages, the latest ideas, best tools, best practices in scala, clojure, haskell and F# and common lessons learned.

Interested? Join our Functional Programming eXchange on MARCH 15th 2013!

Register now to get your hands on the early bird: the first 50 tickets go for just £75!

Well-Typed's Fast Track to Haskell

This two-day course explains the foundations you need in order to become productive with Haskell. While we will touch on the theoretical foundations of the language, the focus of the course is practice: you will obtain concrete advice on how to best use the power that Haskell puts into your hands, and how to design robust functional programs in a principled and systematic way - the kind of things that are difficult to pick up by reading a book.

What: Well-Typed Fast Track to Haskell
Next date: October 8th & 9th
Where: Skills Matter, London
Learn more and book online: Here

Well-Typed's Advanced Haskell

This two-day Haskell course gives you the chance to deepen your understanding and master some of Haskell's more advanced concepts.

In this course, you will learn all about:

-Haskell's evaluation mechanism and how to debug performance problems.
-Techniques and what data structures to use for getting the most idiomatic and best performing code.
-Abstractions offered for both concurrency and high-level, deterministic parallel programming, enabled by Haskell's explicit side effects.

What: Well-Typed's Advanced Haskell
Next date: October 11th & 12th
Where: Skills Matter, London
Learn more and book online: Well-Typed's Advanced Haskell

The Haskell eXchange 2012 // October 10th

This 1-day conference dedicated to the best ideas and practices for working with Haskell. Haskell has come far from its academic roots, and is now applied practically in domains such as finance and defence, and used by companies such as Google and Facebook. This conference seeks to teach how Haskell is used in the real-world, along with tips and techniques you can take back and apply to your code.

What: The Haskell eXchange 2012
When: October 10th
Where: Skills Matter
Learn more and book online: Here


ABOUT ANDRES LöH
Andres Löh is a long-time functional programming enthusiast. He has started using Haskell in 1997 while being an undergraduate studying mathematics.
More about Andres Löh
PODCAST HASKELL FOR EMBEDDED DOMAIN-SPECIFIC LANGUAGES

This session took part at the Functional Programming eXchange 2012. You can view the other 19 podcasts here.
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Ashic Mahtab's Fasttrack to Git, ASHIC MAHTAB'S FASTTRACK TO GIT
David Pollak's Fast Track to Lift, DAVID POLLAK'S FAST TRACK TO LIFT
Fast track to Clojure , FAST TRACK TO CLOJURE
Fast Track to F# with Tomas Petricek & Phil Trelford, FAST TRACK TO F# WITH TOMAS PETRICEK & PHIL TRELFO
Masterclass: Reducing Technical Debt with Michael C. Feathers, REDUCING TECHNICAL DEBT WITH MICHAEL C. FEATHERS
Russel Winder's Python Workshop, RUSSEL WINDER'S PYTHON WORKSHOP
Typesafe's Advanced Scala, TYPESAFE'S ADVANCED SCALA
Typesafe's Fast Track to Play with Scala, TYPESAFE'S FAST TRACK TO PLAY WITH SCALA
Typesafe's Fast Track to Scala, TYPESAFE'S FAST TRACK TO SCALA
Typesafe's Scaling up with Akka and Scala, TYPESAFE'S SCALING UP WITH AKKA & SCALA
Well-Typed's Advanced Haskell, WELL-TYPED'S ADVANCED HASKELL
Well-Typed's Fast Track to Haskell, WELL-TYPED'S FAST TRACK TO HASKELL
Writing Concurrent Code with Lock-Free Algorithms with Martin Thompson, WRITING CONCURRENT CODE WITH LOCK-FREE ALGORITHMS
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Tomas Petricek:F# Type Providers Hands On, F# Type Providers Hands On
Tomas Petricek : 23rd May 2013		 Podcast Coming Soon: F# Type Providers Hands On,
:Be a better developer, Be a better developer
: 21st May 2013		 View Podcast: Be a better developer,
:Developing Python with PyDev, Developing Python with PyDev
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Yodit Stanton:Machine Learning with Storm + Redis, Machine Learning with Storm + Redis
Yodit Stanton : 7th May 2013		 View Podcast: Machine Learning with Storm + Redis,
Bruce Durling:Cascalog for the 80% of Data Science, Cascalog for the 80% of Data Science
Bruce Durling : 7th May 2013		 View Podcast: Cascalog for the 80% of Data Science,
Adam Mlocek:F# embedded in Excel, F# embedded in Excel
Adam Mlocek : 25th Apr 2013		 View Podcast: F# embedded in Excel,
Adam Mlocek:F# embedded in Excel part 2, F# embedded in Excel part 2
Adam Mlocek : 25th Apr 2013		 View Podcast: F# embedded in Excel part 2,
Paul Brian:Pitfalls Of Using Frameworks, Pitfalls Of Using Frameworks
Paul Brian : 18th Apr 2013		 View Podcast: Pitfalls Of Using Frameworks,
Emil Vaughan:Adventures with Cython, Adventures with Cython
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Kris Saxton:My experience of using server management framework, Salt, Using server management framework, Salt
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Phil Trelford:Try F# Hands On, Try F# Hands On
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Jon Pretty:Rapture I/O, Rapture I/O
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Andres Löh:Datatype-Generic Programming in Haskell, Datatype-Generic Programming in Haskell
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The London Clojure Community:Deuce is (not yet) Emacs under Clojure, The London Clojure Community
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Philipp Haller:Typesafe's Scaling up with Akka and Scala, Typesafe's Scaling up with Akka & Scala
2 DAY COURSE. Featuring Philipp Haller
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Martin Thompson:Writing Concurrent Code with Lock-Free Algorithms with Martin Thompson, Writing Concurrent Code with Lock-Free Algorithms
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Philipp Haller Simplifying Asynchronous Code with Scala Async, Simplifying Asynchronous Code with Scala Async
FREE EVENT: In The Brain of Philipp Haller
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Scala Days NYC - June 10-12th, Scala Days NYC - June 10-12th
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F#unctional Londoners Meetup Group:Machine Learning Hands On with F#, F#unctional Londoners Meetup Group
FREE EVENT: Machine Learning Hands On with
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