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The Haskell Cafe
Recent threads
[ANN] Hac Phi 2013 (1 Reply)
Daniel Wagner — 136928282223 May 2013*
Hac Phi 2013, a Haskell hackathon/get-together, will be held June 7-9 at the University of Pennsylvania in Philadelphia. The hackathon will officially...
Ryan Newton — 136928029423 May 2013*
A cabal-install bug <https://github.com/haskell/cabal/issues/1284> was fixed recently that pertains to building C libraries with profiling. As a...
Brent Yorgey — 136927192823 May 2013
Please submit something to FARM --- the deadline is fast approaching! == FARM 2013: Call for Papers ACM SIGPLAN Workshop on Functional Art, Music, Mod...
TP — 136926109522 May 2013
Hi, In the program I am trying to write, I have a problem that can be reduced to the following dummy example: -- {-# LANGUAGE GADTs #-} {-# LANGUAGE D...
Simon Marechal — 136925766622 May 2013
Hello, I am trying to embed a ruby interpreter into my Haskell library. It didn't seem complicated, and went flawlessly until I tried using it a l...
Mihai Maruseac — 136925156722 May 2013*
Hello, As hinted in the previous HCAR, this year we will organize an workshop entitled like the subject of this mail[1]. It will be organized by ROSEd...
Ryan Trinkle — 136924874822 May 2013
Hi everyone, Our company, skedge.me, is looking for a full-time front-end developer in the NYC area. Our front-end is written in JavaScript, but our b...
TP — 136924354822 May 2013*
Hi all, I wonder if there is some means to get a type variable value in the body of a class instance definition. It seems it is not possible (a workar...
Niklas Hambüchen — 136922372122 May 2013*
Reading the other thread (Adding Applicative/Functor instances to all Monads in GHC) I was wondering if there was infrastructure for testing what effe...
HTML framework for web-ui (8 Replies)
Vlatko Basic — 136922218422 May 2013*
Hi, I'd like to start using web pages as the UI for apps. I found out for yesod, snapp and happstack as the candidates. Would you recommend any of...
Teaching FP with Haskell (3 Replies)
Rustom Mody — 136915975021 May 2013*
We are offering a MOOC on haskell : https://moocfellowship.org/submissions/the-da... Full Announcement on beginners list : http://www.haskell.org/pipe...
parsing a CSV file (4 Replies)
Roger Mason — 136915882921 May 2013*
Hello, I'm attempting to write a parser for files that look like this: Bruker Nano GmbH Berlin, Germany Esprit 1.9 Date: 02/05/2013 10:06:49 AM Re...
Sergey Mironov — 136915752021 May 2013
Hi. I'd like to announce the vsim - the simulator for (small subset of) VHDL language. Currently the project contains pretty large Java part and i...
oleg — 136911730521 May 2013
Type classes are the approach to constrain type variables, to bound polymorphism and limit the set of types the variables can be instantiated with. If...
ghc-mod v2.0.1 (4 Replies)
Kazu Yamamoto (山本和彦) — 136911186221 May 2013*
Hi cafe! I have released ghc-mod v2.0.1. From this version, ghc-mod provides the ghc-mod library in addition to the ghc-mod command: http://hackage.ha...
type-level integers for GHC (5 Replies)
Takayuki Muranushi — 136911118221 May 2013*
What is your recommendation for type-level integers? I'd like to use it to improve the unittyped, https://bitbucket.org/xnyhps/haskell-unittype......
rip in the class-abstraction continuum (2 Replies)
Christopher Howard — 136910371321 May 2013*
Hi. I won't pretend to be an advanced Haskell programmer. However, I have a strong interest in abstraction, and I have been playing around with pr...
Nicolas Trangez — 136908925720 May 2013*
All, The following code results in a compilation error (I tried GHC 7.4.1 & a 7.7.20130430 build): {-# LANGUAGE TypeFamilies, GeneralizedNewtypeDe...
Stuck on design problem (4 Replies)
Nicolas Trangez — 136908713020 May 2013*
All, Since I'm stuck on a coding problem and can't figure out how to proceed, I decided to call for help. I'm unable to get some code to t...
DSL to English and back for game rule set? (3 Replies)
Matthew O'Connor — 136905393020 May 2013*
Hello all, I recognize this isn't directly a Haskell-related question, but as I'd like to solve this problem in Haskell & figured it...