[Haskell-cafe] ANNOUNCE: haskell-src-exts-1.13.2

Fellow Haskelleers, I'm pleased to announce the release of haskell-src-exts-1.13.2! * On hackage: http://hackage.haskell.org/package/haskell-src-exts * Via cabal: cabal install haskell-src-exts * Darcs repo: http://code.haskell.org/haskell-src-exts This release contains only a few small tweaks

[Haskell-cafe] ghc/profiling and very big entries

Hello I got this line in the profile output: COST CENTRE MODULE no.entries %time %alloc %time %alloc ticks bytes addDeductionL42s.Maths.Prover.Base 22730 2362045 1.14.6

Re: [Haskell-cafe] ANN: signed-multiset-0.1

Ivan, This package provides an efficient implementation of so-called signed multisets, which generalise multisets by allowing for negative membership. That is, elements in a signed multiset can have negative multiplicities. Wait, something can be not in the multiset more than once? :o

Re: [Haskell-cafe] ANN: signed-multiset-0.1

Stefan Holdermans stefan at vectorfabrics.com writes: This package provides an efficient implementation of so-called signed multisets, which generalise multisets by allowing for negative membership. SignedMultiset a = Data.Map.Map a Integer so what do I gain by using your library? (what is

Re: [Haskell-cafe] ANN: signed-multiset-0.1

Johannes, This package provides an efficient implementation of so-called signed multisets, which generalise multisets by allowing for negative membership. SignedMultiset a = Data.Map.Map a Integer Indeed. so what do I gain by using your library? (what is the API difference?) The library

[Haskell-cafe] Rewrite rules for enumFromTo

Hi all, Following a little thread on Reddit[1], I'm trying to add rewrite rules to conduit to make some simple usages of `yield` more efficient. I've pushed these changes to a branch on Github[2]. However, I'm not able to fully optimize the following program: import Data.Conduit import qualified

[Haskell-cafe] Template Haskell vs Rewrite Rules?

I'm working on getting annotated versions of all instances of a function of a typeclass, and was wondering what are the relation/differences between Template Haskell and the Rewrite Rules section. Of course this is specific to GHC. Another question, in Racket, primitive function application is

Re: [Haskell-cafe] [Haskell] ANN: cabal-install-0.14.0

On Tue, Apr 17, 2012 at 1:59 PM, Andres Löh andres.l...@googlemail.com wrote:  * Completely new modular dependency solver (default in most cases) Great! =D -- Felipe. ___ Haskell-Cafe mailing list Haskell-Cafe@haskell.org

[Haskell-cafe] Visi 0.1 is available for OS X

Folks, Visi 0.1 is available as an executable for OS X 10.7 ( http://tunaforcats.com/visi_0_1.tar.bz ) The blog post announcement is available at http://blog.goodstuff.im/visi-01-for-os-x/ Visi is written mostly in Haskell (which is totally awesome, btw). I'll be hacking on Visi this weekend

[Haskell-cafe] Parallel Strategy

Hello All I am trying to understand the Strategies ( http://hackage.haskell.org/packages/archive/parallel/3.2.0.2/doc/html/Control-Parallel-Strategies.html) and wrote this quick code. import Data.Listimport Control.Parallel.Strategies fun :: [ Int ] - [ Int ]fun [] = []fun ( x : xs ) = ( x + 1

Re: [Haskell-cafe] Parallel Strategy

Hello Mukesh Tiwari, I'm wondering what happens if you replace return () with print (last xs). Jeff ___ Haskell-Cafe mailing list Haskell-Cafe@haskell.org http://www.haskell.org/mailman/listinfo/haskell-cafe

[Haskell-cafe] Haskell Weekly News: Issue 223

Welcome to issue 223 of the HWN, an issue covering crowd-sourced bits of information about Haskell from around the web. This issue covers the week of April 8 to 14, 2012. Quotes of the Week * merijn: I'm tempted to just do unsafePerformIO newEmptyMVar at the top level