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2006-03-27

  • monadLib 2.0. Iavor Diatchki announced the release of monadLib 2.0 -- library of monad transformers for Haskell. 'monadLib' is a descendent of 'mtl', the monad template library that is distributed with most Haskell implementations. Check out the library web page.

  • Text.Regex.Lazy (0.33). Chris Kuklewicz announced the release of Text.Regex.Lazy. This is an alternative to Text.Regex along with some enhancements. GHC's Text.Regex marshals the data back and forth to C arrays, to call libc. This is far too slow (and strict). This module understands regular expression Strings via a Parsec parser and creates an internal data structure (Text.Regex.Lazy.Pattern). This is then transformed into a Parsec parser to process the input String, or into a DFA table for matching against the input String or FastPackedString. The input string is consumed lazily, so it may be an arbitrarily long or infinite source.

  • HDBC 0.99.2. John Goerzen released HDBC 0.99.2, along with 0.99.2 versions of all database backends. John says "If things go well, after a few weeks of testing, this version will become HDBC 1.0.0". HDBC is a multi-database interface system for Haskell.

  • Planet Haskell. Isaac Jones asked if someone could volunteer to set up "Planet Haskell", an RSS feed aggregator in the style of Planet Debian, Planet Gnome or Planet Perl. Happily, Antti-Juhani Kaijanaho stepped up, and now Planet Haskell is live at http://planet.haskell.org. Antti-Juhani asks that any Haskell people with blogs submit their feed urls to him, so check it out!

  • Haskell on Gentoo Linux Duncan Coutts writes that GHC 6.4.1 has been marked stable on x86, amd64, sparc and ppc, for Gentoo Linux. (We also support ppc64, alpha and hppa.) Gentoo also has a collection of over 30 Haskell libraries and tools. There is also a #gentoo-haskell channel on freenode.

  • Concurrent Yhc. The Yhc dev team reports that Yhc now includes support for concurrency! The interface is the same as Concurrent GHC. Currently only

    • Control.Concurrent
    • Control.Concurrent.MVar
    • Control.Concurrent.QSem

    are implemented, however many other abstractions can be written in Haskell in terms of MVars.

  • GHC 6.4.2 Release Candidates Simon Marlow announced that GHC was moving into release-candidate mode for version 6.4.2. Grab a snapshot and try it out. The available builds are: x86_64-unknown-linux (Fedora Core 5), i386-unknown-linux (glibc 2.3 era), and Windows (i386-unknown-mingw32). Barring any serious hiccups, the release should be out in a couple of weeks.

  • HaRe 0.3. Sneaking out without us noticing, in January, a new snapshot of HaRe, the Haskell refactoring tool, was released. This snapshot of HaRe 0.3 is now compatible with the latest GHC and Programmatica. New refactorings have also been added.

2006-03-20

  • lhs2TeX version 1.11. Andres Loeh announced lhs2TeX version 1.11, a preprocessor to generate LaTeX code from literate Haskell sources.

    lhs2TeX includes the following features:

    • Highly customized output.
    • Liberal parser -- no restriction to Haskell 98.
    • Generate multiple versions of a program or document from a single source.
    • Active documents: call Haskell to generate parts of the document (useful for papers on Haskell).
    • A manual explaining all the important aspects of lhs2TeX.

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