Hello Haskellers,
I am happy to announce that there is a prerelease version of Visual Haskell on:
http://www.haskell.org/visualhaskell
This is the first version that is:
- available for both VStudio 2003 and VStudio 2005
- distributed with a stable GHC version (6.6)
This is still prerele
Introducing RIO, an experimental library for extensible restricted IO in
Haskell.
Selling features:
* Automatic permissions inference. If you define a function:
fun fd r = do { str <- hGetContents fd ; modifyRIORef r (+1) ; return str }
RIO can infer the requirements as part of the ty
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Haskell Weekly News
http://haskell.org/haskellwiki/HWN
Issue 51 - November 28, 2006
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Welcome to issue 51 of HWN, a weekly newsletter covering de
Duncan Coutts wrote:
Cabal can be upgraded using Cabal. This is important.
I think there are two things here. First, its important that it can be
upgraded. Most distributions already have a package management system that can
handle this. I just got GHC, Haddock and a bunch of other stuff
Supposing a polymorphic value (of type, say, forall a . ExpT a t) is
stored inside an existential package (of type, say, forall a . Exp a),
I wonder how to recover a polymorphic value when eliminating the
existential. The ``natural way'' to write this doesn't work:
{-# OPTIONS -fglasgow-exts #-
++
Midlands Graduate School in the Foundations of Computing Science
MGS 2007
16-20 April 2007
University of Nottingham, UK
The Midlands Graduat
