Haskell Weekly News: Issue 147 - January 24 , 2010

Submitted by jfredett on Sun, 01/24/2010 - 2:26pm.
Haskell Weekly News: January 24, 2010

Welcome to issue 147 of HWN, a newsletter covering developments in the Haskell community.

This week on the HWN, we have a new blogger in town, Bartek, over at 'The Power of Types Compels You', wrote an excellent article which is highlighted in the blogs section. Many new packages this week as well, and some interesting discussions about performance and existential types. So, Haskellers, till next week, your Haskell Weekly News!

Announcements

ForSyDe DSL v3.1. Seyed Hosein Attarzadeh Niaki announced a new version of the ForSyDe DSL. This version provides more freedom in the declaration of process functions, as well as compatibility with base 4.

parameterized-data library v0.1.4. Seyed Hosein Attarzadeh Niaki announced a new version of the parameterized-data library. The parameterized-data library provides fixed-sized vectors, this update is provide minor compatibility fixes.

Updates and a new member of the Monadic Regions family. Bas van Dijk announced several new updates and a new member of the Monadic Regions family.

bindings-DSL 1.0.4 (Category: FFI). Mauricio CA announced a new version of his package bindings-DSL.

Haskell XML Toolbox Version 8.5.0. Uwe Schmidt announced a new version of the Haskell XML Toolbox (HXT). The main change in this version is the separation of the XPath and XSLT modules.

Cardinality-0.1. Andrey Sisoyev announced the release of his package Cardinality, a package for transforming between container types safely.

afv-0.0.3. Tom Hawkins announced a new release of AFV, an infinite state model checker for simple, iterative C programs.

CfP: PPDP 2010. Temur Kutsia announced a call for papers for the PPDP 2010 conference in July

Mini-announce: A few package updates. Andrew Coppin announced several new releases and updates to AC-EasyRaster-GTK, AC-Vector, and other packages.

amqp-0.1. Holger Reinhardt announced the release of his AMQP library. It currently only works with RabbitMQ and supports most of the 0-8 spec. An introduction to AMQP can be found here.

nntp 0.0.3. Maciej Piechotka 1f4e gmane.comp.lang.haskell.cafe/69228 announced a bugfix release to nntp.

haskell-src-exts 1.7.0. Niklas Broberg announced a new version of haskell-src-exts, featuring many new changes to the API.

Discussion

Existential Types (I guess). Ozgur Akgun asked about a problem he encountered when trying to use Existential types.

Is Haskell capable of matching C in string processing performance? John Millikin asked a question about Haskell Performance... Quick! Someone get Don Stewart!

Blog noise

Haskell news from the blogosphere. Blog posts from people new to the Haskell community are marked with >>>, be sure to welcome them!

Quotes of the Week

  • tensorpudding: the Plot monad allow you to keep the story pure by containing all the glaring time travel silliness
  • sproingie: quickcheck myLanguage.hs --> "Web browser created after 285,731 tests"
  • RossPaterson: I'm afraid you voided the warranty when you used UndecidableInstances.
  • aavogt: strong static typing is not a substitute for sleep
  • tensorpudding: fixity goes up to 11
  • temoto: Backwards written in as Forth?
  • Paczesiowa: oh. can't argue with Cale :)
  • Axman6: and smilies make code run faster

About the Haskell Weekly News

New editions are posted to the Haskell mailing list as well as to the Haskell Sequence and Planet Haskell. RSS is also available, and headlines appear on haskell.org.

To help create new editions of this newsletter, please see the information on how to contribute. Send stories to jfredett . at . gmail . dot . com. The darcs repository is available at darcs get http://patch-tag.com/r/jfredett/HWN2/pullrepo HWN2 .