--------------------------------------------------------------------------- Haskell Weekly News http://sequence.complete.org/hwn/20090502 Issue 116 - May 02, 2009 --------------------------------------------------------------------------- Welcome to issue 116 of HWN, a newsletter covering developments in the [1]Haskell community. Announcements GHC 6.10.3 prerelease. Ian Lynagh [2]announced a [3]prerelease [4]version of GHC 6.10.3. There have been [5]very few changes relative to 6.10.2. Unless any major problems are uncovered, the final release is expected to be built in a couple of days. graphviz-2009.5.1. Ivan Lazar Miljenovic [6]announced version 2009.5.1 of the [7]graphviz library, which provides a Haskell interface to the [8]GraphViz program. Major changes include support for polyparse >= 1.1, dependency on GHC 6.10.*, functions from the [9]Graphalyze library, and more. priority-sync-0.1.0.1: Cooperative task prioritization.. Christopher Lane Hinson [10]announced the release of the [11]priority-sync package for cooperative task prioritization. HaL4: Local Haskell meeting, Halle/Saale, Germany, June 12. Henning Thielemann [12]requested proposals for talks for [13]HaL4, a local Haskell meeting in Halle, Germany on June 12. TraverseAccum: an effectful accumulating map.. Florent Balestrieri [14]posted some code implementing an effectful accumulating map. LondonHUG talk: Engineering Large Projects in Haskell. Don Stewart [15]posted [16]slides from last week's [17]London HUG talk, which attempts to document some of the tips and tricks Galois has accumulated using Haskell commercially for the past 10 years. atom-0.0.2. Tom Hawkins [18]announced the release of [19]atom, a Haskell DSL for designed hard realtime embedded programs. Eaton is using it to control hydraulic hybrid refuse trucks and shuttle buses. Bamse-0.9.4, a Windows Installer generator. Sigbjorn Finne [20]announced a new version of [21]Bamse, a package and application for letting you quickly put together Windows Installers for your software projects/products from within the comforts of Haskell. New in this release is the support for generating MSIs from your Cabal projects, having them either be built from source or just have them be installed and registered at install-time. Dutch Haskell Users' Group (first meeting: May 6th). Chris Eidhof [22]announced the first meeting of the newly formed [23]Dutch Haskell Users' Group (DHUG), on May 6th at 19:30 in Utrecht. Haskell Symposium Submission site now open. Stephanie Weirich [24]announced that [25]submission to the Haskell Symposium is now open. The submission deadline is May 8. OpenGL, GLUT, OpenAL, and ALUT updates. Sven Panne [26]announced [27]new [28]bugfix [29]releases for the [30]OpenGL, [31]GLUT, [32]OpenAL, and [33]ALUT packages. control-monad-exception-0.1: Explicitly typed exceptions. Pepe Iborra [34]announced the [35]control-monad-exception package, which provides explicitly typed exceptions for Haskell. The type of a computation in the EM monad carries a list of the exceptions that the computation may throw. A exception is raised with 'throw', which in addition adds it to the type, and captured with 'catch', which correspondingly removes it from the type. Only safe computations (all exceptions handled) can escape from the monad. Haskell File Manager. Michael Dever [36]announced the first release of [37]Haskell File Manager, a program for viewing/managing the files on your computer. It has all the common functionality you would expect from your current file manager, copying, moving, deleting, renaming, opening and searching. uu-parsinglib-2.0.0. S. Doaitse Swierstra [38]announced the release of [39]uu-parsinglib, the first version of the new parsing combinator library package from Utrecht University. Features include online result construction, much simpler internals than the combinators in the uulib package, error correction, parsing ambiguous grammars, a monadic interface, and more. Takusen 0.8.4. Alistair Bayley [40]announced version 0.8.4 of [41]Takusen, a database package; this is mostly a "get it working with ghc-6.10" release. Discussion Google SoC: Space profiling reloaded. Patai Gergely [42]asked for ideas on his Google Summer of Code project to [43]improve the Haskell space profiling experience. Blog noise [44]Haskell news from the [45]blogosphere. * Bryan O'Sullivan: [46]Slides from my Erlang Factory talk this morning. * Thomas Hartman: [47]What to do when cabal install works in one environment, but not another.. * Christopher Lane Hinson: [48]ANN: priority-sync. * Well-Typed.Com: [49]"Hello world" now only 11k using GHC with shared libs. * The GHC Team: [50]The new GHC build system is here!. * Well-Typed.Com: [51]First round of Industrial Haskell Group development work. * London Haskell Users Group: [52]Don's slides. * Galois, Inc: [53]Engineering Large Projects in Haskell: A Decade of FP at Galois. * JP Moresmau: [54]Haskell RPG Game uploaded on Hackage!. * Holumbus: [55]Distributed data structures. * Niklas Broberg: [56]GSoC09 => haskell-src-exts -> haskell-src. * >>> Remco Niemeijer: [57]Forcing evaluation in Haskell. * Chris Eidhof: [58]Building commercial Haskell applications. * >>> Lab49: [59]Differentiating Types in Haskell. Quotes of the Week * MonadState: Do not try to change the state; that's impossible. Instead only try to realize the truth: There is no state. * Baughn: Those who would give up essential laziness for a little ephemeral performance, deserve neither laziness nor performance. * Axman6: what's @flush do? saves stuff to dick? * bos: Crummy languages give static types a bad name. About the Haskell Weekly News New editions are posted to [60]the Haskell mailing list as well as to [61]the Haskell Sequence and [62]Planet Haskell. [63]RSS is also available, and headlines appear on [64]haskell.org. To help create new editions of this newsletter, please see the information on [65]how to contribute. Send stories to byorgey at cis dot upenn dot edu. The darcs repository is available at darcs get [66]http://code.haskell.org/~byorgey/code/hwn/ . References 1. http://haskell.org/ 2. http://article.gmane.org/gmane.comp.lang.haskell.glasgow.user/16852 3. http://www.haskell.org/ghc/dist/stable/dist/ghc-6.10.2.20090430-src.tar.bz2 4. http://www.haskell.org/ghc/dist/stable/dist/ghc-6.10.2.20090430-src-extralib... 5. http://www.haskell.org/ghc/dist/stable/docs/users_guide/release-6-10-3.html 6. http://article.gmane.org/gmane.comp.lang.haskell.cafe/57826 7. http://hackage.haskell.org/cgi-bin/hackage-scripts/package/graphviz 8. http://graphviz.org/ 9. http://hackage.haskell.org/cgi-bin/hackage-scripts/package/Graphalyze 10. http://article.gmane.org/gmane.comp.lang.haskell.cafe/57776 11. http://hackage.haskell.org/cgi-bin/hackage-scripts/package/priority-sync 12. http://article.gmane.org/gmane.comp.lang.haskell.cafe/57764 13. http://www.iba-cg.de/hal4.html 14. http://article.gmane.org/gmane.comp.lang.haskell.cafe/57730 15. http://article.gmane.org/gmane.comp.lang.haskell.cafe/57719 16. http://www.galois.com/blog/2009/04/27/engineering-large-projects-in-haskell-... 17. http://www.londonhug.net/ 18. http://article.gmane.org/gmane.comp.lang.haskell.cafe/57676 19. http://hackage.haskell.org/cgi-bin/hackage-scripts/package/atom 20. http://article.gmane.org/gmane.comp.lang.haskell.cafe/57640 21. http://hackage.haskell.org/cgi-bin/hackage-scripts/package/bamse 22. http://article.gmane.org/gmane.comp.lang.haskell.general/17142 23. http://haskell.org/haskellwiki/Dutch_HUG 24. http://article.gmane.org/gmane.comp.lang.haskell.general/17140 25. http://www.easychair.org/conferences/?conf=haskell09 26. http://article.gmane.org/gmane.comp.lang.haskell.general/17132 27. http://article.gmane.org/gmane.comp.lang.haskell.general/17133 28. http://article.gmane.org/gmane.comp.lang.haskell.general/17134 29. http://article.gmane.org/gmane.comp.lang.haskell.general/17135 30. http://hackage.haskell.org/cgi-bin/hackage-scripts/package/OpenGL 31. http://hackage.haskell.org/cgi-bin/hackage-scripts/package/GLUT 32. http://hackage.haskell.org/cgi-bin/hackage-scripts/package/OpenAL 33. http://hackage.haskell.org/cgi-bin/hackage-scripts/package/ALUT 34. http://article.gmane.org/gmane.comp.lang.haskell.general/17120 35. http://hackage.haskell.org/cgi-bin/hackage-scripts/package/control%2Dmonad%2... 36. http://www.haskell.org//pipermail/haskell/2009-April/021271.html 37. http://code.haskell.org/haskellfm 38. http://www.haskell.org//pipermail/haskell/2009-April/021284.html 39. http://hackage.haskell.org/cgi-bin/hackage-scripts/package/uu%2Dparsinglib 40. http://www.haskell.org//pipermail/haskell/2009-May/021293.html 41. http://hackage.haskell.org/cgi-bin/hackage-scripts/package/Takusen 42. http://thread.gmane.org/gmane.comp.lang.haskell.cafe/57810 43. http://socghop.appspot.com/student_project/show/google/gsoc2009/haskell/t124... 44. http://planet.haskell.org/ 45. http://haskell.org/haskellwiki/Blog_articles 46. http://www.serpentine.com/blog/2009/05/01/slides-from-my-erlang-factory-talk... 47. http://blog.patch-tag.com/2009/05/01/what-to-do-when-cabal-install-works-in-... 48. http://blog.downstairspeople.org/2009/04/29/ann-priority-sync/ 49. http://blog.well-typed.com/2009/04/hello-world-now-only-11k-using-ghc-with-s... 50. http://ghcmutterings.wordpress.com/2009/04/28/the-new-ghc-build-system-is-he... 51. http://blog.well-typed.com/2009/04/first-round-of-ihg-development-work/ 52. http://www.londonhug.net/2009/04/27/dons-slides/ 53. http://www.galois.com/blog/2009/04/27/engineering-large-projects-in-haskell-... 54. http://jpmoresmau.blogspot.com/2009/04/haskell-rpg-game-uploaded-on-hackage.... 55. http://holumbus.fh-wedel.de/blog/?p=22 56. http://nibrofun.blogspot.com/2009/04/gsoc09-haskell-src-exts-haskell-src.htm... 57. http://bonsaicode.wordpress.com/2009/04/27/forcing-evaluation-in-haskell/ 58. http://blog.tupil.com/building-commercial-haskell-applications/ 59. http://blog.lab49.com/archives/3027 60. http://www.haskell.org/mailman/listinfo/haskell 61. http://sequence.complete.org/ 62. http://planet.haskell.org/ 63. http://sequence.complete.org/node/feed 64. http://haskell.org/ 65. http://haskell.org/haskellwiki/HWN 66. http://code.haskell.org/~byorgey/code/hwn/