[三道贩子] Haskell Weekly News: Issue 113
Haskell Weekly News: Issue 113 - April 13, 2009
http://sequence.complete.org/hwn/20090413
Announcements
----
xmobar-0.9.2. Andrea Rossato [2]announced the release of
[3]xmobar-0.9.2, which features a fix for a longstanding resource
leakage bug, new nested color definitions, and more.
hmatrix-static: statically-sized linear algebra. Reiner Pope
[6]announced the release of [7]hmatrix-static, a thin wrapper over
Alberto Ruiz's excellent [8]hmatrix library for linear algebra. The
main additions of hmatrix-static over hmatrix are that vectors and
matrices have their length encoded in their types, and vectors and
matrices may be constructed and destructed using view patterns,
affording a clean, safe syntax.
haskellmode for Vim now at projects.haskell.org. Claus Reinke
[9]announced that the Haskell mode plugins for Vim have just completed
their move to their [10]new home, and took the opportunity to reiterate
what they can do (quite a lot, it seems), and mention that some
screencasts are available.
Yogurt-0.4. Martijn van Steenbergen [15]announced version 0.4 of
[16]Yogurt, a functional MUD client. Version 0.4 makes Yogurt available
as a standalone executable that is able to dynamically load and reload
Yogurt scripts.
Elerea, another FRP library. Patai Gergely [17]announced the release of
[18]Elerea, aka "Eventless reactivity", a minimalistic FRP
implementation that comes with a convenient applicative interface,
supports recursive definition of signals and signals fed from outside
by IO actions, plays nice with resources, and is the result of some
furious hacking. There are working examples to show off the current
capabilities of the library, found in the separate [19]elerea-examples
package.
tree-monad 0.2. Sebastian Fischer [20]announced version 0.2 of the
[21]tree-monad package, which provides instances of MonadPlus that
represent the search space of non- deterministic computations as a
tree. Version 0.2 implements an optimized CPS version of the tree.
HCard -- A library for implementing card-like structures.. Joe Fredette
[22]announced the release of [23]HCard, a library which supports a
card-like data structures and uses associated types to provide
shuffling, dealing, and other facilities. It's general enough to
support many different types of playing cards; it currently comes with
the common "French Deck" (4-suit, 13 card deck that is very common in
the US) implemented and an example cribbage scoring application.
SVGFonts 0.1. Tillmann Vogt [24]announced his first Haskell library,
[25]SVGFonts 0.1, which parses the relatively unknown SVG Font format
to produce outlines of characters. The big advantage of this format is
that it is XML, which means easy parsing and manipulating.
network-bytestring 0.1.2. Johan Tibell [26]announced a new release of
[27]network-bytestring, a Haskell library for fast socket I/O using
ByteStrings. New in this release is support for scatter/gather I/O
(also known as vectored I/O). Scatter/gather I/O provides more
efficient I/O by using one system call to send several separate pieces
of data and by avoiding unnecessary copying.
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完整信息见原文
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我个人对 Vim 的 Haskell mode 特别感兴趣