[Haskell-cafe] Haskell Weekly News: March 09, 2008

9 Mar 2008

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Haskell Weekly News
http://sequence.complete.org/hwn/20080309
Issue 71 - March 09, 2008
---------------------------------------------------------------------------

   Welcome to issue 71 of HWN, a newsletter covering developments in the
   [1]Haskell community.

   Another busy week on the Haskell library front, with around 100 new
   and updated libraries and tools on Hackage.

   1. http://haskell.org/

Announcements

   Google Summer of Code. Malcolm Wallace [2]announced Google is running
   its 'Summer of Code' project again this year, and Haskell.org is once
   again going to apply to be a mentoring organisation. If you're
   interested in earning money to hack on Haskell, and helping out the
   community, [3]take a look at the wiki.

   2. http://article.gmane.org/gmane.comp.lang.haskell.cafe/37273
   3. http://hackage.haskell.org/trac/summer-of-code

   Haskell in the browser. Dimitry Golubovsky [4]announced that the YHC
   JavaScript backend is now in alpha testing, and is open to
   experimentation for those wanting to write Haskell directly for the
   browser

   4. http://article.gmane.org/gmane.comp.lang.haskell.cafe/37299

Hackage

   New and updated libraries in [5]the Hackage library database.

   5. http://hackage.haskell.org/

     * typalyze 0.1.1. Uploaded by Matthew Danish. [6]typalyze: Analyzes
       Haskell source files for easy reference.

     * lax 0.0.0.1. Uploaded by Wolfgang Jeltsch. [7]lax: Lax arrows.

     * truelevel 0.1.1. Uploaded by Barton Massey. [8]truelevel: Audio
       file compressor-limiter.

     * WAVE 0.1. Uploaded by Barton Massey. [9]WAVE: WAVE audio file IO
       library.

     * parseargs 0.1. Uploaded by Barton Massey. [10]parseargs:
       Command-line argument parsing library for Haskell programs.

     * conjure 0.1. Uploaded by Gwern Branwen. [11]conjure: A BitTorrent
       client.

     * Diff 0.1.1. Uploaded by Sterling Clover. [12]Diff: O(ND) diff
       algorithm in haskell..

     * simseq 0.0. Uploaded by Gwern Branwen. [13]simseq: Simulate
       sequencing with different models for priming and errors.

     * rbr 0.8.3. Uploaded by Gwern Branwen. [14]rbr: Mask nucleotide
       (EST) sequences in Fasta format.

     * xml2x 0.2. Uploaded by Gwern Branwen. [15]xml2x: Convert BLAST
       output in XML format to CSV or HTML.

   6. http://hackage.haskell.org/cgi-bin/hackage-scripts/package/typalyze-0.1.1
   7. http://hackage.haskell.org/cgi-bin/hackage-scripts/package/lax-0.0.0.1
   8. http://hackage.haskell.org/cgi-bin/hackage-scripts/package/truelevel-0.1.1
   9. http://hackage.haskell.org/cgi-bin/hackage-scripts/package/WAVE-0.1
  10. http://hackage.haskell.org/cgi-bin/hackage-scripts/package/parseargs-0.1
  11. http://hackage.haskell.org/cgi-bin/hackage-scripts/package/conjure-0.1
  12. http://hackage.haskell.org/cgi-bin/hackage-scripts/package/Diff-0.1.1
  13. http://hackage.haskell.org/cgi-bin/hackage-scripts/package/simseq-0.0
  14. http://hackage.haskell.org/cgi-bin/hackage-scripts/package/rbr-0.8.3
  15. http://hackage.haskell.org/cgi-bin/hackage-scripts/package/xml2x-0.2

     * estreps 0.1. Uploaded by Gwern Branwen. [16]estreps: Repeats from ESTs.

     * clustertools 0.1. Uploaded by Gwern Branwen. [17]clustertools:
       Tools for manipulating sequence clusters.

     * xsact 1.6. Uploaded by Gwern Branwen. [18]xsact: Cluster EST
       sequences.

     * HsJudy 0.2. Uploaded by Gwern Branwen. [19]HsJudy: Judy bindings,
       and some nice APIs.

     * prof2dot 0.3.1. Uploaded by Gregory Wright. [20]prof2dot: Convert
       GHC profiles into GraphViz's dot format.

     * strict 0.3.2. Uploaded by Roman Leshchinskiy. [21]strict: Strict
       data types and String IO..

     * Emping 0.4. Uploaded by Hans VanThiel. [22]Emping: derives
       heuristic rules from nominal data.

     * GuiHaskell 0.1.1. Uploaded by Neil Mitchell. [23]GuiHaskell: A
       graphical REPL and development environment for Haskell.

     * simpleargs 0.1. Uploaded by Ketil Malde. [24]simpleargs: Provides
       a more flexible getArgs function with better error reporting..

     * parsec 3.0.0. Uploaded by Derek Elkins. [25]parsec: Monadic parser
       combinators.

  16. http://hackage.haskell.org/cgi-bin/hackage-scripts/package/estreps-0.1
  17. http://hackage.haskell.org/cgi-bin/hackage-scripts/package/clustertools-0.1
  18. http://hackage.haskell.org/cgi-bin/hackage-scripts/package/xsact-1.6
  19. http://hackage.haskell.org/cgi-bin/hackage-scripts/package/HsJudy-0.2
  20. http://hackage.haskell.org/cgi-bin/hackage-scripts/package/prof2dot-0.3.1
  21. http://hackage.haskell.org/cgi-bin/hackage-scripts/package/strict-0.3.2
  22. http://hackage.haskell.org/cgi-bin/hackage-scripts/package/Emping-0.4
  23. http://hackage.haskell.org/cgi-bin/hackage-scripts/package/GuiHaskell-0.1.1
  24. http://hackage.haskell.org/cgi-bin/hackage-scripts/package/simpleargs-0.1
  25. http://hackage.haskell.org/cgi-bin/hackage-scripts/package/parsec-3.0.0

     * hetris 0.2. Uploaded by Gwern Branwen. [26]hetris: Text Tetris.

     * hscurses 1.3. Uploaded by Gwern Branwen. [27]hscurses: NCurses
       bindings for Haskell.

     * photoname 2.0. Uploaded by Dino Morelli. [28]photoname: Rename
       JPEG photo files based on shoot date.

     * mage 1.1.0. Uploaded by Gwern Branwen. [29]mage: Rogue-like.

     * infix 0.1.1. Uploaded by Gwern Branwen. [30]infix: Infix
       expression re-parsing (for HsParser library).

     * bio 0.3.3. Uploaded by Gwern Branwen. [31]bio: A bioinformatics
       library.

     * dephd 0.0. Uploaded by Gwern Branwen. [32]dephd: Analyze 'phred'
       output (.phd files).

     * hybrid 2.0. Uploaded by Gwern Branwen. [33]hybrid: A
       implementation of a type-checker for Lambda-H.

     * propgrid 0.1. Uploaded by Gwern Branwen. [34]propgrid: GUI
       propertygrid.

     * gravatar 0.3. Uploaded by Donald Stewart. [35]gravatar: Find the
       url of the gravatar associated with an email address..

  26. http://hackage.haskell.org/cgi-bin/hackage-scripts/package/hetris-0.2
  27. http://hackage.haskell.org/cgi-bin/hackage-scripts/package/hscurses-1.3
  28. http://hackage.haskell.org/cgi-bin/hackage-scripts/package/photoname-2.0
  29. http://hackage.haskell.org/cgi-bin/hackage-scripts/package/mage-1.1.0
  30. http://hackage.haskell.org/cgi-bin/hackage-scripts/package/infix-0.1.1
  31. http://hackage.haskell.org/cgi-bin/hackage-scripts/package/bio-0.3.3
  32. http://hackage.haskell.org/cgi-bin/hackage-scripts/package/dephd-0.0
  33. http://hackage.haskell.org/cgi-bin/hackage-scripts/package/hybrid-2.0
  34. http://hackage.haskell.org/cgi-bin/hackage-scripts/package/propgrid-0.1
  35. http://hackage.haskell.org/cgi-bin/hackage-scripts/package/gravatar-0.3

     * himerge 0.17.9. Uploaded by Luis Araujo. [36]himerge: Haskell
       Graphical User Interface for Emerge.

     * Takusen 0.8. Uploaded by Alistair Bayley. [37]Takusen: Database
       library with left-fold interface, for PostgreSQL, Oracle, SQLite,
       ODBC..

     * irc 0.4.1. Uploaded by Trevor Elliott. [38]irc: A small library
       for parsing IRC messages..

     * hexpat 0.2. Uploaded by Evan Martin. [39]hexpat: wrapper for
       expat, the fast XML parser.

     * microbench 0.1. Uploaded by Evan Martin. [40]microbench:
       Microbenchmark Haskell code.

     * hxt 7.5. Uploaded by Uwe Schmidt. [41]hxt: A collection of tools
       for processing XML with Haskell..

     * hmatrix 0.2.1.0. Uploaded by Alberto Ruiz. [42]hmatrix: Linear
       algebra and numerical computations.

     * binary-strict 0.3.1. Uploaded by Adam Langley. [43]binary-strict:
       Binary deserialisation using strict ByteStrings.

     * category-extras 0.1. Uploaded by Dan Doel. [44]category-extras:
       Various modules and constructs inspired by category theory..

     * pcap 0.4.3. Uploaded by Bryan OSullivan. [45]pcap: A
       system-independent interface for user-level packet capture.

  36. http://hackage.haskell.org/cgi-bin/hackage-scripts/package/himerge-0.17.9
  37. http://hackage.haskell.org/cgi-bin/hackage-scripts/package/Takusen-0.8
  38. http://hackage.haskell.org/cgi-bin/hackage-scripts/package/irc-0.4.1
  39. http://hackage.haskell.org/cgi-bin/hackage-scripts/package/hexpat-0.2
  40. http://hackage.haskell.org/cgi-bin/hackage-scripts/package/microbench-0.1
  41. http://hackage.haskell.org/cgi-bin/hackage-scripts/package/hxt-7.5
  42. http://hackage.haskell.org/cgi-bin/hackage-scripts/package/hmatrix-0.2.1.0
  43. http://hackage.haskell.org/cgi-bin/hackage-scripts/package/binary-strict-0.3...
  44. http://hackage.haskell.org/cgi-bin/hackage-scripts/package/category-extras-0...
  45. http://hackage.haskell.org/cgi-bin/hackage-scripts/package/pcap-0.4.3

     * curl 1.3.1. Uploaded by Eric Mertens. [46]curl: Haskell binding to
       libcurl.

     * fastcgi 3001.0.2. Uploaded by Bjorn Bringert. [47]fastcgi: A
       Haskell library for writing FastCGI programs.

     * hslogger 1.0.5. Uploaded by John Goerzen. [48]hslogger: Versatile
       logging framework.

     * HAppS-Server 0.9.2.1. Uploaded by David Himmelstrup.
       [49]HAppS-Server: Web related tools and services..

     * HAppS-IxSet 0.9.2.1. Uploaded by David Himmelstrup.
       [50]HAppS-IxSet: Added by DavidHimmelstrup, Fri Feb 29 07:27:13
       PST 2008..

     * HAppS-State 0.9.2.1. Uploaded by David Himmelstrup.
       [51]HAppS-State: Event-based distributed state..

     * HAppS-Data 0.9.2.1. Uploaded by David Himmelstrup. [52]HAppS-Data:
       HAppS data manipulation libraries.

     * HAppS-Util 0.9.2.1. Uploaded by David Himmelstrup. [53]HAppS-Util:
       Web framework.

     * sessions 2008.2.28. Uploaded by Matthew Sackman. [54]sessions:
       Session Types for Haskell.

     * utf8-string 0.3. Uploaded by Eric Mertens. [55]utf8-string:
       Support for reading and writing UTF8 Strings.

  46. http://hackage.haskell.org/cgi-bin/hackage-scripts/package/curl-1.3.1
  47. http://hackage.haskell.org/cgi-bin/hackage-scripts/package/fastcgi-3001.0.2
  48. http://hackage.haskell.org/cgi-bin/hackage-scripts/package/hslogger-1.0.5
  49. http://hackage.haskell.org/cgi-bin/hackage-scripts/package/HAppS-Server-0.9....
  50. http://hackage.haskell.org/cgi-bin/hackage-scripts/package/HAppS-IxSet-0.9.2...
  51. http://hackage.haskell.org/cgi-bin/hackage-scripts/package/HAppS-State-0.9.2...
  52. http://hackage.haskell.org/cgi-bin/hackage-scripts/package/HAppS-Data-0.9.2....
  53. http://hackage.haskell.org/cgi-bin/hackage-scripts/package/HAppS-Util-0.9.2....
  54. http://hackage.haskell.org/cgi-bin/hackage-scripts/package/sessions-2008.2.2...
  55. http://hackage.haskell.org/cgi-bin/hackage-scripts/package/utf8-string-0.3

     * EdisonCore 1.2.1.2. Uploaded by Robert Dockins. [56]EdisonCore: A
       library of efficent, purely-functional data structures (Core
       Implementations).

     * parameterized-data 0.1. Uploaded by Alfonso Acosta.
       [57]parameterized-data: Parameterized data library implementing
       lightweight dependent types.

     * unix 2.3.0.0. Uploaded by Ross Paterson. [58]unix: POSIX
       functionality.

     * hoogle 3.1. Uploaded by Neil Mitchell. [59]hoogle: Haskell API
       Search.

     * ftshell 0.2. Uploaded by Janis Voigtlaender. [60]ftshell: Shell
       interface to the FreeTheorems library..

     * free-theorems 0.2. Uploaded by Janis Voigtlaender.
       [61]free-theorems: Automatic generation of free theorems..

     * special-functors 1.0. Uploaded by Henning Thielemann.
       [62]special-functors: Control.Applicative, Data.Foldable,
       Data.Traversable (compatibility package).

     * type-level 0.1. Uploaded by Alfonso Acosta. [63]type-level:
       Type-level programming library.

     * nymphaea 0.2. Uploaded by Gwern Branwen. [64]nymphaea: An
       interactive GUI for manipulating L-systems.

     * hsc3 0.2. Uploaded by Rohan Drape. [65]hsc3: Haskell
       SuperCollider.

  56. http://hackage.haskell.org/cgi-bin/hackage-scripts/package/EdisonCore-1.2.1....
  57. http://hackage.haskell.org/cgi-bin/hackage-scripts/package/parameterized-dat...
  58. http://hackage.haskell.org/cgi-bin/hackage-scripts/package/unix-2.3.0.0
  59. http://hackage.haskell.org/cgi-bin/hackage-scripts/package/hoogle-3.1
  60. http://hackage.haskell.org/cgi-bin/hackage-scripts/package/ftshell-0.2
  61. http://hackage.haskell.org/cgi-bin/hackage-scripts/package/free-theorems-0.2
  62. http://hackage.haskell.org/cgi-bin/hackage-scripts/package/special-functors-...
  63. http://hackage.haskell.org/cgi-bin/hackage-scripts/package/type-level-0.1
  64. http://hackage.haskell.org/cgi-bin/hackage-scripts/package/nymphaea-0.2
  65. http://hackage.haskell.org/cgi-bin/hackage-scripts/package/hsc3-0.2

     * hosc 0.2. Uploaded by Rohan Drape. [66]hosc: Haskell Open Sound
       Control.

     * hslackbuilder 0.0.1. Uploaded by Andrea Rossato.
       [67]hslackbuilder: HSlackBuilder automatically generates
       slackBuild scripts from a cabal package.

     * hsparklines 0.1.0. Uploaded by Hitesh Jasani. [68]hsparklines:
       Sparklines for Haskell.

     * sat-micro-hs 0.1.1. Uploaded by Denis Bueno. [69]sat-micro-hs: A
       minimal SAT solver.

     * interlude 0.1.1. Uploaded by Gwern Branwen. [70]interlude:
       Replaces some Prelude functions for enhanced error reporting.

     * parse-dimacs 1.0.1. Uploaded by Denis Bueno. [71]parse-dimacs:
       DIMACS CNF parser library.

     * bitset 0.5. Uploaded by Denis Bueno. [72]bitset: A functional data
       structure for efficient membership testing..

     * special-functors 1.0. Uploaded by Henning Thielemann.
       [73]special-functors: Control.Applicative, Data.Foldable,
       Data.Traversable (compatibility package).

     * condorcet 0.0.1. Uploaded by Gwern Branwen. [74]condorcet: Library
       for Condorcet voting.

     * heap 0.2.3. Uploaded by Stephan Friedrichs. [75]heap: Heaps in
       Haskell.

  66. http://hackage.haskell.org/cgi-bin/hackage-scripts/package/hosc-0.2
  67. http://hackage.haskell.org/cgi-bin/hackage-scripts/package/hslackbuilder-0.0...
  68. http://hackage.haskell.org/cgi-bin/hackage-scripts/package/hsparklines-0.1.0
  69. http://hackage.haskell.org/cgi-bin/hackage-scripts/package/sat-micro-hs-0.1....
  70. http://hackage.haskell.org/cgi-bin/hackage-scripts/package/interlude-0.1.1
  71. http://hackage.haskell.org/cgi-bin/hackage-scripts/package/parse-dimacs-1.0....
  72. http://hackage.haskell.org/cgi-bin/hackage-scripts/package/bitset-0.5
  73. http://hackage.haskell.org/cgi-bin/hackage-scripts/package/special-functors-...
  74. http://hackage.haskell.org/cgi-bin/hackage-scripts/package/condorcet-0.0.1
  75. http://hackage.haskell.org/cgi-bin/hackage-scripts/package/heap-0.2.3

     * hspr-sh 0.3. Uploaded by Gwern Branwen. [76]hspr-sh: Session
       handler for HSP.

     * hsp 0.2. Uploaded by Gwern Branwen. [77]hsp: Haskell Server Pages
       is a library for writing dynamic server-side web pages..

     * trhsx 0.2.1. Uploaded by Gwern Branwen. [78]trhsx: trhsx is the
       preprocessor for Harp and HSP.

     * haskell-src-exts 0.2.1. Uploaded by Gwern Branwen.
       [79]haskell-src-exts: Manipulating Haskell source: abstract
       syntax, lexer, parser, and pretty-printer.

     * harp 0.2.1. Uploaded by Gwern Branwen. [80]harp: HaRP allows
       pattern-matching with regular expressions.

     * HTF 0.1. Uploaded by Gwern Branwen. [81]HTF: The Haskell Test
       Framework.

     * hsdip 0.1. Uploaded by Gwern Branwen. [82]hsdip: hsdip - a
       Diplomacy parser/renderer.

     * mpdmate 0.1. Uploaded by Gwern Branwen. [83]mpdmate: MPD/PowerMate
       executable.

     * powermate 0.1. Uploaded by Gwern Branwen. [84]powermate: PowerMate
       bindings.

     * syb-with-class 0.4. Uploaded by David Himmelstrup.
       [85]syb-with-class: Scrap Your Boilerplate With Class.

  76. http://hackage.haskell.org/cgi-bin/hackage-scripts/package/hspr-sh-0.3
  77. http://hackage.haskell.org/cgi-bin/hackage-scripts/package/hsp-0.2
  78. http://hackage.haskell.org/cgi-bin/hackage-scripts/package/trhsx-0.2.1
  79. http://hackage.haskell.org/cgi-bin/hackage-scripts/package/haskell-src-exts-...
  80. http://hackage.haskell.org/cgi-bin/hackage-scripts/package/harp-0.2.1
  81. http://hackage.haskell.org/cgi-bin/hackage-scripts/package/HTF-0.1
  82. http://hackage.haskell.org/cgi-bin/hackage-scripts/package/hsdip-0.1
  83. http://hackage.haskell.org/cgi-bin/hackage-scripts/package/mpdmate-0.1
  84. http://hackage.haskell.org/cgi-bin/hackage-scripts/package/powermate-0.1
  85. http://hackage.haskell.org/cgi-bin/hackage-scripts/package/syb-with-class-0....

     * whim 0.1. Uploaded by Gwern Branwen. [86]whim: A Haskell window
       manager.

     * memcached 0.1. Uploaded by Gwern Branwen. [87]memcached: haskell
       bindings for memcached.

     * HaLeX 1.1. Uploaded by Gwern Branwen. [88]HaLeX: HaLeX enables
       modelling, manipulation and animation of regular languages.

  86. http://hackage.haskell.org/cgi-bin/hackage-scripts/package/whim-0.1
  87. http://hackage.haskell.org/cgi-bin/hackage-scripts/package/memcached-0.1
  88. http://hackage.haskell.org/cgi-bin/hackage-scripts/package/HaLeX-1.1

Jobs

   Haskell for real-time control software. Tom Hawkins [89]announced an
   opening for a Haskell job in real-time control software for vehicle
   and machinery applications

  89. http://article.gmane.org/gmane.comp.lang.haskell.cafe/37093

   Haskell for bioinformatics. Ketil Malde [90]announced an open position
   for a 3-year Ph.D. scolarship at IMR working on bioinformatics
   projects in Haskell

  90. http://news.gmane.org/gmane.comp.lang.haskell.cafe/cutoff=37362

Blog noise

   [91]Haskell news from the [92]blogosphere.

     * [93]Barracuda P2P Chat
     * [94]A Lambda Calculus Reducer
     * [95]A Fashion Magazine in Haskell
     * [96]Introduction to building stateful web apps in HAppS
     * [97]Intro to HAppS-State
     * [98]Project Euler in Haskell
     * [99]In praise of mandatory indentation for novice programmers
     * [100]More Monads on the Cheap: Inlined fromMaybe
     * [101]A First Haskell Experience
     * [102]Haskell and code coverage
     * [103]Why I don't use Haskell for Functional Programming (monads, lifting)

  91. http://planet.haskell.org/
  92. http://haskell.org/haskellwiki/Blog_articles
  93. http://haskell.org/gtk2hs/archives/2008/02/24/barracuda-p2p-chat/
  94. http://www.defmacro.org/ramblings/lambda-reducer.html
  95. http://www.alpheccar.org/en/posts/show/91
  96. http://softwaresimply.blogspot.com/2008/02/intro-to-happs-part-1.html
  97. http://softwaresimply.blogspot.com/2008/02/intro-to-happs-state.html
  98. http://extempore.livejournal.com/212602.html
  99. http://okasaki.blogspot.com/2008/02/in-praise-of-mandatory-indentation-for.h...
 100. http://osteele.com/archives/2008/02/inlined-frommaybe
 101. http://the-programmers-stone.com/2008/03/04/a-first-haskell-experience/
 102. http://dukedave.blogspot.com/2008/03/back-in-action.html
 103. http://jlouisramblings.blogspot.com/2008/03/why-i-dont-use-haskell-for-funct...

Quotes of the Week

     * teamonkey: the Haskell solutions that people are posting are
       generally so much more concise and elegant than for any other
       language

     * Dan Zwell: I am fairly new to Haskell, and I didn't realize how
       easy concurrent code is until I wrote this

     * anonymous: The Haskall (sic) language is often uses by very
       intelligent programmers, it often allows to use lazy computations
       and iterations, but it has the advantage that its iterators behave
       better (than in Python), and during the generation of some items
       you can, when you want, refer and use the items already generated.

     * Corun: I don't understand, what's the advantage of hugs? The uni
       here says to use hugs, though, but I kept finding myself going in
       to ghci to get a useful error message

     * They say that if it compiles, it will run correctly. It?s nearly
       true! I?m amazed. ... Such buglessness will remove a huge source
       of indeterminism in production environments where the work of many
       teams is co-ordinated by schedules.

     * dolio: I've made a domain specific notation for describing puddings.

     * cschneid: [Haskell] changed the way I look at decomposition of
       problems in the more corporate languages (Java and C#). I use far
       fewer variables, and more side-effect free methods. It's made my
       code clearer, and easier to test.

     * nicodemus: I've written some Erlang and much more Haskell. My take
       so far is that Erlang is good for teaching you how to fish,
       Haskell is good for teaching you about procuring food (including
       fish).

     * paulzork: Haskell is to functional programming like C is to
       imperative languages? Sort of the latin root?

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 104. http://www.haskell.org/mailman/listinfo/haskell
 105. http://sequence.complete.org/
 106. http://planet.haskell.org/
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 108. http://haskell.org/
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 110. http://haskell.org/haskellwiki/HWN
 111. http://code.haskell.org/~dons/code/hwn/

[Haskell-cafe] Haskell Weekly News: March 09, 2008

Don Stewart