Editorial = Just "This week we see the 2007 Haskell Workshop announcement, Haskell.org's participation in the Google Summer of Code gets underway, and of course, new libraries!", Announce [ Item "Google Summer of Code and Haskell.org" "Malcolm Wallace" "[http://article.gmane.org/gmane.comp.lang.haskell.cafe/20232 announced] that Haskell.org has once again applied to be a mentoring organisation for the Google Summer of Code. If you are a student who would like to earn money hacking in Haskell, or you are a non-student who has a cool idea for a coding project but no time to do it yourself, then visit the [http://hackage.haskell.org/trac/summer-of-code SoC wiki] to gather ideas, and add yourself to the list of interested people! Add new ideas for projects!", Item "Haskell Workshop Call for Papers" "Gabriele Keller" "[http://article.gmane.org/gmane.comp.lang.haskell.general/14977 announced] the initial call for papers for the Haskell Workshop 2007, part of the 2007 International Conference on Functional Programming (ICFP). The purpose of the Haskell Workshop is to discuss experience with Haskell, and possible future developments for the language. The scope of the workshop includes all aspects of the design, semantics, theory, application, implementation, and teaching of Haskell.", Item "Data.CompactString 0.3: Unicode ByteString" "Twan van Laarhoven" "[http://article.gmane.org/gmane.comp.lang.haskell.general/14973 announced] version 0.3 of the Data.CompactString library. Data.CompactString is a wrapper around Data.ByteString supporting Unicode strings.", Item "harchive-0.2: backup and restore software in Haskell" "David Brown" "[http://article.gmane.org/gmane.comp.lang.haskell.general/14972 announced] release 0.2 of [http://www.davidb.org/darcs/harchive/ harchive], a program for backing up and restoring data. The package is available [http://hackage.haskell.org/cgi-bin/hackage-scripts/package/harchive-0.2 from Hackage].", Item "New release of regex packages" "Chris Kuklewicz" "[http://article.gmane.org/gmane.comp.lang.haskell.cafe/20189 announced] new versions of the regex-* packages (base,compat,dfa,parsec,pcre,posix,tdfa,tre). There is a new [http://haskell.org/haskellwiki/Regular_expressions wiki page] with documentation relating to these packages. All packages are available from [http://hackage.haskell.org/packages/hackage.html Hackage], under the [http://hackage.haskell.org/packages/archive/pkg-list.html#cat:Text Text Category].", Item "StaticDTD: type safe markup combinators from DTDs" "Marcel Manthe" "[http://article.gmane.org/gmane.comp.lang.haskell.cafe/20218 announced] a tool that transforms a Document Type Definition to a library. The resulting library contains combinators that assure proper nesting of elements. The plan is to add more constraints that will also take care of the order of occurrence of children. The parsing of the DTD is done with HaXml. The code is [http://m13s07.vlinux.de/darcs/StaticDTD/ available via darcs].", Item "IPv6 support for network package" "Bryan O'Sullivan" "[http://thread.gmane.org/gmane.comp.lang.haskell.libraries/6363 announced] that he'd added IPv6 support to the network package.", Item "Type-level binary arithmetic library" "Oleg Kiselyov and Chung-chieh Shan" "[http://article.gmane.org/gmane.comp.lang.haskell.general/14961 announced] a [http://pobox.com/~oleg/ftp/Computation/resource-aware-prog/BinaryNumber.hs new library] for arbitrary precision binary arithmetic over natural kinds. The library supports addition/subtraction, predecessor/successor, multiplication/division, exp2, full comparisons, GCD, and the maximum. At the core of the library are multi-mode ternary relations Add and Mul where any two arguments determine the third. Such relations are especially suitable for specifying static arithmetic constraints on computations. The type-level numerals have no run-time representation; correspondingly, all arithmetic operations are done at compile time and have no effect on run-time." ], HaskellPrime [ Link "http://thread.gmane.org/gmane.comp.lang.haskell.prime/2135" "Deriving Functor" ], Libraries [ Link "http://thread.gmane.org/gmane.comp.lang.haskell.libraries/6377" "Add IPv6 support to network library", Link "http://thread.gmane.org/gmane.comp.lang.haskell.libraries/6382" "Error handling conventions" ], Conferences Nothing [ ], Discussion [ Item "Avoiding intermediate data structures" "David Roundy" "[http://thread.gmane.org/gmane.comp.lang.haskell.cafe/20319 opened] discussion on techniques for avoiding intermediate data structures in Haskell code", Item "Maybe a different Maybe" "Joachim Breitner" "[http://thread.gmane.org/gmane.comp.lang.haskell.cafe/20300 wondered] about avoiding intermediate Maybe constructs" ], Jobs [ ], Blogs [ Link "http://mult.ifario.us/articles/2007/03/04/stm-and-io" "STM, IO, and a Simple Persistence Model", Link "http://sequence.complete.org/node/263" "Dynamic programming in Haskell", Link "http://scienceblogs.com/goodmath/goodmath/programming/haskell/" "Collected 'good math/bad math' Haskell articles", Link "http://www.randomhacks.net/articles/2007/03/05/three-things-i-dont-understand-about-monads" "3 open questions about monads", Link "http://kawagner.blogspot.com/2007/03/why-do-most-people-seem-to-use-inferior.html" "Documentation, libraries and speed matter", Link "http://www.rfc1149.net/blog/2007/03/06/why-monads-matter/" "Why monads matter", Link "http://notes-on-haskell.blogspot.com/2007/03/design-patterns-in-haskell-bracket.html" "Design Patterns in Haskell: bracket", Link "http://cgi.cse.unsw.edu.au/~dons/blog/2007/03/06#programmable-semicolons" "Practical Haskell: shell scripting with error handling and privilege separation", Link "http://metavar.blogspot.com/2007/03/simple-socket-programming.html" "Simple socket programming", Link "http://stephan.walter.name/blog/computers/programming/haskell/interacttcp.html" "'interact' for TCP sockets", Link "http://sigfpe.blogspot.com/2007/03/monads-in-c-pt-iii.html" "Monads in C, part 3", Link "http://blog.moertel.com/articles/2007/03/07/directory-tree-printing-in-haskell-part-two-refactoring" "Directory tree printing in Haskell. Part 2", Link "http://www.bolour.com/papers/monads-through-pictures.html" "Monads through Pictures", Link "http://metavar.blogspot.com/2007/03/haskell-hacking-notes-or-prelude-to.html" "Notes on hacking Haskell", Link "http://blogs.teamb.com/craigstuntz/archive/2007/03/09/WantedHaskellDeveloper.aspx" "Wanted: Haskell Programmer", Link "http://billmill.org/why_no_code" "Why Publish CS Papers Without Code?", Link "http://www.randomhacks.net/articles/2007/03/10/haskell-8-ways-to-report-errors" "The 8 ways to report errors in Haskell" ], Quotes [ Quote "fishkandy" "The problem with comparing apples to apples is that haskell has 'mango daiquiri' as a basic fruit", Quote "fax--" "I wake up with a headache because of you, Haskell", Quote "norpan" "I use functions, but i don't use them as arrows: I prefer silver bullets", Quote "ray" "Some people claim everything is lisp. One time I was eating some spaghetti and someone came by and said: 'Hey, nice lisp dialect you're hacking in there'", Quote "roconnor" "Damn it! Haskell pseudo code is indistinguishable from actual code", Quote "shapr" "Today's nifty error message: *Main> thread blotttchhhkrrreeeedaaa dddinbbbdllleooofcccikkkneeeidddt eiiilnnnydddeeefffiiinnniiittteeelllyyy", Quote "stepcut" "C? isn't that some low-level language that compilers output to?", Quote "wkh" "Why does the haskell webpage link to 'research papers' under the 'getting started' section?" ], Commits [ Commit "Tue Mar 6 06:31:12 PST 2007" "Simon Marlow" "[http://article.gmane.org/gmane.comp.lang.haskell.cvs.ghc/19536 add noDuplicate#]. This primop ensures that the current computation is not being duplicated, by calling threadPaused(). The idea is to use it inside unsafePerformIO/unsafeInterleaveIO (see #986)." ] -- vim: paste