Haskell Weekly News: Issue 150 - February 22, 2010

Submitted by jfredett on Mon, 02/22/2010 - 11:39am.
Haskell Weekly News: February 22, 2010

Welcome to issue 150 of HWN, a newsletter covering developments in the Haskell community.

From the very pits of Harddrive failure I return... The Haskell Weekly News Reborn! Last week, on friday, my HWN machine suffered what can only be appropriately named a unbelievably poorly timed hard drive failure, hence the lack of an HWN. I trumphently return this week with a megaedition. Tons and tons of awesome stuff happened in the last two weeks. So I won't make you wait any longer, haskellers, your Haskell Weekly News!


vty-ui 0.3. Jonathan Daugherty announced a new version of vty-ui, featuring a richer rendering engine, generalized text transformations, and a more functional style.

darcs 2.4 release candidate 2. Reinier Lamers announced a new release candidate for darcs 2.4.

iteratee-parsec 0.0.1. Maciej Piechotka announced the release of iteratee-parsec, a library whih provides support for parsec parsers in an Iteratee monad.

concurrent-extra-0.1. Roel van Dijk announced the release of concurrent-extra, which provides a few new synchronization primitives.

wyvern, a Dragon Go Server 'client'. wagnerdm announced wyvern, a Dragon Go Server 'client', which plays moves for you on the Dragon Go Server.

atom-1.0.0. Tom Hawkins announced a new major release of the atom library.

Call for Copy: Monad.Reader Issue 16. Brent Yorgey announced the call for copy for Monad.Reader issue 16.

hmatrix 0.8.3. Alberto Ruiz announced a new version of hmatrix.

First Atlanta Function Programming Users Group Meeting. David Vollbracht announced the first Atlanta FP Group meetup.

TFP 2010 - Call for Papers and Participation. Simon Marlow announced a call for papers and particpation in TFP 2010, the 11th Symposium on Trends in Functional Programming.

CMCS 2010: Call for Short Submissions & Call for Participation. Alexandra Silva announced a call for short submissions and participation in the 10th International Workshop on Coalgebraic Methods in Computer Science.

WGP 2010 Call for Papers. Bruno Oliveira announced a call for papers for Workshop on Generic Programming.

ICE 2010: First call for papers. Alexandra Silva announced the first call for papers for ICE2010, the 3rd Interation and Concurrency Experience workshop.

Call for Papers: Haskell Symposium 2010. Jeremy.Gibbons announced a call for papers for the 2010 Haskell Symposium.

Dungeons of Wor - a largish FRP example and a fun game, all in one! Patai Gergely announced Dungeons of Wor, a Game written in Haskell using the Elerea library and Functional Reactive Techniques.


The Related monad and constant values in type classes. Jonas Almstroem Duregard talked about a common pattern which occurs when associating data with a type (as opposed to a value).

Heterogeneous Data Structures - Nested Pairs and functional references. Guenther Schmidt asked about different ways to implement heterogeonous datastructures.

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

  • fasta: And by cool, I mean 'that is not supposed to happen'.
  • uncyclopedia: Calculations which are undefined are denoted by the _|_ symbol, pronounced Bottom, which the documentation explains as the compiler giving you the finger.
  • Draconx|Laptop: mathematics is the art of finding different ways to write "therefore".
  • medfly: Cale, #haskell wants to know all your personal preferences so we can all copy you
  • Cale: Gentoo is a massive waste of electricity.
  • hobophobe: So, I can only conclude that Haskell is a memetic virus, and monads are the eggs it lays out in innocent programming forums to entice others to become infected.
  • benmachine: unsafeCoerce is just a generalisation of id
  • jmcarthur: what good is a state monad if your state is basically 'i have no idea what the hell my state is'?

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 .