Re: [Haskell-cafe] Compiling arbitrary Haskell code

2013-10-11 Thread Jason Dagit
On Fri, Oct 11, 2013 at 1:30 PM, Christopher Done chrisd...@gmail.comwrote: Is there a definitive list of things in GHC that are unsafe to _compile_ if I were to take an arbitrary module and compile it? E.g. off the top of my head, things that might be dangerous: *

Re: [Haskell-cafe] Haskell Logo Macbook Decal

2013-10-01 Thread Jason Dagit
On Tue, Oct 1, 2013 at 3:50 PM, Kyle Hanson hanoo...@gmail.com wrote: I ordered mine! Does anyone know if there is any place where I could order pre-made Haskell t-shirt that benefits haskell.org too? I don't know where, but I just wanted to say thank you to both you and Ryan and everyone

Re: [Haskell-cafe] Richard Bird and the fast nub function

2013-09-29 Thread Jason Dagit
On Sun, Sep 29, 2013 at 1:40 PM, Henning Thielemann lemm...@henning-thielemann.de wrote: In Richard Bird's Functional Pearls in Algorithm Design there is chapter 10 Removing duplicates which is about a fast and sorting variant of 'nub'. After reading the introduction of the chapter I

Re: [Haskell-cafe] Poll plea: State of GUI graphics libraries in Haskell

2013-09-27 Thread Jason Dagit
On Thu, Sep 26, 2013 at 8:32 PM, Conal Elliott co...@conal.net wrote: I'm polling to see whether there are will and expertise to reboot graphics and GUIs work in Haskell. I miss working on functional graphics and GUIs in Haskell, as I've been blocked for several years (eight?) due to the

Re: [Haskell-cafe] definition of the term combinator

2013-08-23 Thread Jason Dagit
On Fri, Aug 23, 2013 at 9:09 PM, damodar kulkarni kdamodar2...@gmail.comwrote: Hello, The word combinator is used several times in the Haskell community. e.g. parser combinator, combinator library etc. Is it exactly the same term that is used in the combinatory logic ? A combinator is a

Re: [Haskell-cafe] Alternative name for return

2013-08-14 Thread Jason Dagit
On Wed, Aug 14, 2013 at 7:54 PM, Simon Peyton-Jones simo...@microsoft.comwrote: | Indeed, I wished the 0-ary case would be more alike to the unary and | binary case, cf. | | return f0 | f1 $ a1 | f2 $ a1 * a2 | | What is needed is a nice syntax for idiom brackets. Indeed.

Re: [Haskell-cafe] Why GHC is written in Happy and not a monadic parser library?

2013-08-03 Thread Jason Dagit
On Sat, Aug 3, 2013 at 3:36 AM, Malcolm Wallace malcolm.wall...@me.com wrote: On 3 Aug 2013, at 02:20, Jason Dagit wrote: Hi! Is there any specific reason why GHC is written in a parser GENERATOR (Happy) and not in MONADIC PARSER COMBINATOR (like parsec)? Is Happy faster / handles better

Re: [Haskell-cafe] Why GHC is written in Happy and not a monadic parser library?

2013-08-02 Thread Jason Dagit
On Fri, Aug 2, 2013 at 5:49 PM, blackbox.dev.ml blackbox.dev...@gmail.com wrote: Hi! Is there any specific reason why GHC is written in a parser GENERATOR (Happy) and not in MONADIC PARSER COMBINATOR (like parsec)? Is Happy faster / handles better errors / hase some great features or

Re: [Haskell-cafe] ordNub

2013-07-15 Thread Jason Dagit
On Sun, Jul 14, 2013 at 4:20 AM, Niklas Hambüchen m...@nh2.me wrote: tldr: nub is abnormally slow, we shouldn't use it, but we do. As you might know, Data.List.nub is O(n²). (*) As you might not know, almost *all* practical Haskell projects use it, and that in places where an Ord instance

Re: [Haskell-cafe] OS X ghci problem

2013-07-13 Thread Jason Dagit
On Sat, Jul 13, 2013 at 4:39 PM, Mark Lentczner mark.lentcz...@gmail.com wrote: Bizarre - this just happened to me today, too. Anyone? Did you figure out a work around? For the record, I'm trying to bring Euterpea up. After some digging, experimenting, asking around, and head scratching my best

Re: [Haskell-cafe] OS X ghci problem

2013-07-13 Thread Jason Dagit
On Sat, Jul 13, 2013 at 5:32 PM, Anthony Cowley acow...@gmail.com wrote: On Jul 13, 2013, at 8:04 PM, Jason Dagit dag...@gmail.com wrote: On Sat, Jul 13, 2013 at 4:39 PM, Mark Lentczner mark.lentcz...@gmail.com wrote: Bizarre - this just happened to me today, too. Anyone? Did you figure out

Re: [Haskell-cafe] OS X ghci problem

2013-07-13 Thread Jason Dagit
On Sat, Jul 13, 2013 at 6:44 PM, Carter Schonwald carter.schonw...@gmail.com wrote: has anyone tried using ghci HEAD? If the problem is linker based... perhaps ghci that uses the system Dylinker might resolve it? If someone gets brave and tries this I'd love to hear if it works. Although,

Re: [Haskell-cafe] Netwire bouncing ball

2013-07-10 Thread Jason Dagit
On Wed, Jul 10, 2013 at 2:15 PM, Just hask...@justnothing.org wrote: Hello, I'm trying to get a grasp of netwire by implementing a bouncing ball simulation and I'm failing. The ball starts from the ground with a given velocity and when hitting the ground the wire inhibits successfully. Now

Re: [Haskell-cafe] Why isn't hsc2hs functionality provided by ghc?

2013-06-04 Thread Jason Dagit
On Tue, Jun 4, 2013 at 8:45 PM, John Lato jwl...@gmail.com wrote: On Wed, Jun 5, 2013 at 10:15 AM, Ivan Lazar Miljenovic ivan.miljeno...@gmail.com wrote: On 5 June 2013 12:02, silly silly8...@gmail.com wrote: I was wondering today, why hasn't hsc2hs been merged with ghc so that it

Re: [Haskell-cafe] Array, Vector, Bytestring

2013-06-03 Thread Jason Dagit
On Mon, Jun 3, 2013 at 7:45 PM, Clark Gaebel cgae...@uwaterloo.ca wrote: How is this a problem? If you're representing text, use 'text'. If you're representing a string of bytes, use 'bytestring'. If you want an array of values, think c++ and use 'vector'. If you want to mutate arrays,

Re: [Haskell-cafe] [haskell.org Google Summer of Code 2013] Approved Projects

2013-05-29 Thread Jason Dagit
On Wed, May 29, 2013 at 10:47 AM, Carter Schonwald carter.schonw...@gmail.com wrote: indeed, i'm the principal mentor for this project, though as mentioned Ian-Woo will hopefully be helping out too. I'm going to *help* focus the project on being a tool thats not focused on QT, though if

Re: [Haskell-cafe] Parallel ghc --make

2013-05-15 Thread Jason Dagit
On Wed, May 15, 2013 at 6:36 PM, Clark Gaebel cgae...@uwaterloo.ca wrote: It's also useful to note that the disk cache might do a surprisingly good job at caching those .hi files for you. That, and a lot of people (like me!) use SSDs, where the parallel compilation takes the vast majority of

Re: [Haskell-cafe] ghci: Difference in garbage collection etc. between REPL and function

2013-05-08 Thread Jason Dagit
On Wed, May 8, 2013 at 6:54 PM, Niklas Hambüchen m...@nh2.me wrote: I have an annoying bug in a C binding that can be triggered like this: handle - open ... prep - makePreparedStatement handle INSERT ... performGC runStatement prep close handle If I run these

Re: [Haskell-cafe] ghci: Difference in garbage collection etc. between REPL and function

2013-05-08 Thread Jason Dagit
On Wed, May 8, 2013 at 8:12 PM, Jason Dagit dag...@gmail.com wrote: On Wed, May 8, 2013 at 6:54 PM, Niklas Hambüchen m...@nh2.me wrote: I have an annoying bug in a C binding that can be triggered like this: handle - open ... prep - makePreparedStatement handle INSERT

Re: [Haskell-cafe] GPGPU

2013-05-04 Thread Jason Dagit
On Sat, May 4, 2013 at 3:00 AM, Christopher Howard christopher.how...@frigidcode.com wrote: Has anybody on the list been playing around with OpenCL at all? I'm just starting to look into it - need to get a newer Radeon card, I think - but I'm strongly interested in GPGPU programming. This is

Re: [Haskell-cafe] GPGPU

2013-05-04 Thread Jason Dagit
On Sat, May 4, 2013 at 11:54 AM, Anthony Cowley acow...@seas.upenn.edu wrote: I wrote this some time ago. http://www.arcadianvisions.com/blog/?p=346 I know that soon after I wrote that, it worked with both OpenCL and gloss from hackage, but there may be some bitrot at this point. Some of

Re: [Haskell-cafe] GPGPU

2013-05-04 Thread Jason Dagit
On Sat, May 4, 2013 at 2:16 PM, Anthony Cowley acow...@seas.upenn.edu wrote: Thanks to the nudge from Jason, the bitrot has now been scraped off. The post is prettier, the code all works again, and the screenshot has been restored. Nice! That's a very cool demo. Jason

Re: [Haskell-cafe] Compiled program using OpenGL fails to trigger GPU switch on Mac, but works in GHCi

2013-03-17 Thread Jason Dagit
On Sat, Mar 16, 2013 at 6:53 PM, Jesper Särnesjö sarne...@gmail.com wrote: To be clear, I think this isn't really an OpenGL problem, but rather one related to FFI or event handling. If anyone could explain to me, in general, how and why a call to a foreign function returning IO () might

Re: [Haskell-cafe] Maintaining lambdabot

2013-03-15 Thread Jason Dagit
On Wed, Feb 20, 2013 at 11:19 AM, Gwern Branwen gwe...@gmail.com wrote: On Wed, Feb 20, 2013 at 1:35 PM, Jan Stolarek jan.stola...@p.lodz.pl wrote: Gwern, and what do you think about James' fork of lambdabot? It seems that there was a lot of work put into it and that this is indeed a good

Re: [Haskell-cafe] Maintaining lambdabot

2013-03-15 Thread Jason Dagit
On Fri, Mar 15, 2013 at 9:19 AM, James Cook mo...@deepbondi.net wrote: On Mar 14, 2013, at 11:08 PM, Jason Dagit dag...@gmail.com wrote: My real reason for reviving this thread: Can I get a status update, please? Sure. I don't have as much time as I'd like these days for open-source

Re: [Haskell-cafe] Maintaining lambdabot

2013-03-15 Thread Jason Dagit
On Fri, Mar 15, 2013 at 3:30 PM, James Cook mo...@deepbondi.net wrote: On Mar 15, 2013, at 2:45 PM, Jason Dagit dag...@gmail.com wrote: I haven't been following the thread closely. Is there also a github? If so, where? Some of us figured out a bug fix for the quotes plugin and I'll send

Re: [Haskell-cafe] Maintaining lambdabot

2013-03-15 Thread Jason Dagit
On Fri, Mar 15, 2013 at 4:31 PM, Jason Dagit dag...@gmail.com wrote: On Fri, Mar 15, 2013 at 3:30 PM, James Cook mo...@deepbondi.net wrote: On Mar 15, 2013, at 2:45 PM, Jason Dagit dag...@gmail.com wrote: I haven't been following the thread closely. Is there also a github? If so, where

Re: [Haskell-cafe] Open-source projects for beginning Haskell students?

2013-03-11 Thread Jason Dagit
On Mon, Mar 11, 2013 at 8:48 AM, Brent Yorgey byor...@seas.upenn.eduwrote: Hi everyone, I am currently teaching a half-credit introductory Haskell class for undergraduates. This is the third time I've taught it. Both of the previous times, for their final project I gave them the option of

Re: [Haskell-cafe] Open-source projects for beginning Haskell students?

2013-03-11 Thread Jason Dagit
On Mon, Mar 11, 2013 at 1:09 PM, Brent Yorgey byor...@seas.upenn.eduwrote: On Mon, Mar 11, 2013 at 11:50:38AM -0700, Ben wrote: On Mar 11, 2013, at 11:26 AM, Jason Dagit wrote: Myself and several of my friends would find it useful to have a plotting library that we can use from ghci

[Haskell-cafe] Galois is hiring!

2013-03-01 Thread Jason Dagit
Galois is hiring! We're looking for functional programmers, formal methods practitioners, and project leads, with a variety of positions open at all professional experience levels. For more information on the job openings and Galois in general, see: http://corp.galois.com/careers I've

Re: [Haskell-cafe] Maintaining lambdabot

2013-02-19 Thread Jason Dagit
On Tue, Feb 19, 2013 at 3:01 PM, James Cook mo...@deepbondi.net wrote: On Feb 19, 2013, at 2:36 PM, Jan Stolarek jan.stola...@p.lodz.pl wrote: Anyway, how would you feel about changes that I would like to make: - move all modules into Lambdabot. namespace - remove unlambda, brainfuck and

Re: [Haskell-cafe] Maintaining lambdabot

2013-02-18 Thread Jason Dagit
On Sun, Feb 17, 2013 at 8:53 PM, Cale Gibbard cgibb...@gmail.com wrote: On 17 February 2013 18:03, Jan Stolarek jan.stola...@p.lodz.pl wrote: ... This changes would be quite invasive and code wouldn't be compatible with the lambdabot repo on haskell.org. So before I start making any of

Re: [Haskell-cafe] ANN: Haskell bindings for the igraph C library

2013-01-22 Thread Jason Dagit
On Tue, Jan 22, 2013 at 3:20 PM, George Giorgidze giorgi...@gmail.comwrote: Hi Jason, How does this compare with fgl? http://hackage.haskell.org/package/fgl A couple of months ago, I was working on a project where I had to do some graph analysis. I encountered two problems with the fgl

Re: [Haskell-cafe] An assembly DSL example.

2012-12-19 Thread Jason Dagit
On Wed, Dec 19, 2012 at 8:08 AM, Tom Hawkins tomahawk...@gmail.com wrote: A few folks have asked me about building EDSLs in Haskell for assembly programming, so I've posted an example of the approach we have had success using at BAE Systems. It's a bit rough, so if anyone's motivated to

Re: [Haskell-cafe] [Haskell] ANN: Haskell bindings for the igraph C library

2012-12-16 Thread Jason Dagit
On Sun, Dec 16, 2012 at 9:53 AM, Nils Schweinsberg m...@nils.cc wrote: Hi Haskellers, dear igraph community, I am pleased to announce the release of our (inofficial) Haskell bindings to the igraph C library. igraph is a powerfull library for creating and manipulating directed, undirected and

Re: [Haskell-cafe] How to start with GHC development?

2012-12-11 Thread Jason Dagit
On Tue, Dec 11, 2012 at 6:10 AM, Eric Rochester eroch...@gmail.com wrote: I'm in the same boat, with just a little less reading. :) It seems to be that if we want to encourage participation in GHC development, the first step is to lower the barrier of entry. One way to do that would be to

Re: [Haskell-cafe] Best approach to avoid dependency hells

2012-12-05 Thread Jason Dagit
On Wed, Dec 5, 2012 at 10:52 AM, Ivan Perez ivanperezdoming...@gmail.comwrote: Hello everyone, I've spent the last couple of days fighting my way around a dependency hell with my own libraries and packages. If I install them package by package (by hand), I'm very likely to hit one of these

Re: [Haskell-cafe] Is it possible to have constant-space JSON decoding?

2012-12-04 Thread Jason Dagit
On Tue, Dec 4, 2012 at 9:37 PM, Johan Tibell johan.tib...@gmail.com wrote: Hi Oleg, On Tue, Dec 4, 2012 at 9:13 PM, o...@okmij.org wrote: I am doing, for several months, constant-space processing of large XML files using iteratees. The file contains many XML elements (which are a bit

Re: [Haskell-cafe] computation over containers, greatly simplified notation.

2012-11-30 Thread Jason Dagit
You might find this paper an interesting read: http://www.brics.dk/RS/01/10/ On Fri, Nov 30, 2012 at 4:43 PM, Takayuki Muranushi muranu...@gmail.comwrote: Dear everyone, After a number of attempts [1] I'm starting to think that my initial approach was ill-directed. After all, Functor,

Re: [Haskell-cafe] Can a GC delay TCP connection formation?

2012-11-27 Thread Jason Dagit
On Tue, Nov 27, 2012 at 11:02 AM, Jeff Shaw shawj...@gmail.com wrote: Hello Timothy and others, One of my clients hosts their HTTP clients in an Amazon cloud, so even when they turn on persistent HTTP connections, they use many connections. Usually they only end up sending one HTTP request

Re: [Haskell-cafe] Can a GC delay TCP connection formation?

2012-11-27 Thread Jason Dagit
On Tue, Nov 27, 2012 at 11:17 AM, Jason Dagit dag...@gmail.com wrote: On Tue, Nov 27, 2012 at 11:02 AM, Jeff Shaw shawj...@gmail.com wrote: Hello Timothy and others, One of my clients hosts their HTTP clients in an Amazon cloud, so even when they turn on persistent HTTP connections

Re: [Haskell-cafe] haskell.org committee: Call for nominations

2012-11-09 Thread Jason Dagit
Just a reminder to nominate yourself if you're interested. If you've been thinking about it but haven't contacted us yet then please just do it and contact us today! Thank, Jason On Fri, Nov 2, 2012 at 11:28 AM, Jason Dagit dag...@gmail.com wrote: Dear Haskellers, The second year

[Haskell-cafe] ANN: OpenGL packages update

2012-11-04 Thread Jason Dagit
The updates include: * All of the newtypes in OpenGLRaw have been changed to type aliases (credit to Trevor Elliott and Mike Ledger) * OpenGLRaw's TypesInternal module has gone away * NVidia path rendering extensions have been added by ozelis on github This release changes OpenGLRaw to use

Re: [Haskell-cafe] [Security] Put haskell.org on https

2012-11-02 Thread Jason Dagit
Thanks Iavor et al. I agree. I'll see what we can do. We have budget for this so hopefully it will be a simple matter of finding people to implement the change. Jason On Fri, Nov 2, 2012 at 10:34 AM, Iavor Diatchki iavor.diatc...@gmail.comwrote: Hello, I think that getting a certificate is

[Haskell-cafe] haskell.org committee: Call for nominations

2012-11-02 Thread Jason Dagit
Dear Haskellers, The second year of the haskell.org committee is drawing to a close and it is therefore time to seek replacements for those members whose term is expiring. This year one member has a term ending, Ganesh Sittampalam. Ganesh has been an excellent contributor and the rest of the

Re: [Haskell-cafe] OpenGL library will not load into GHCi 7.6.1 on Win7 x86-64

2012-10-09 Thread Jason Dagit
On Tue, Oct 9, 2012 at 1:55 PM, Dan Haraj devha...@gmail.com wrote: This is a regression of some sort since the library operates fine within GHCi for previous versions of GHC. I don't know whether it is a problem with GHCi, the OpenGL library, or some third party. This is the error

[Haskell-cafe] Galois is hiring!

2012-06-25 Thread Jason Dagit
We're looking for functional programmers, formal methods practitioners, and project leads, interested in either short term or permanent employment. For more information, see: http://corp.galois.com/careers Why Galois? At Galois, we believe in seeking out and solving important problems to

Re: [Haskell-cafe] Heads up: importing the Cabal issue tracker to github next week

2012-05-22 Thread Jason Dagit
Thank you. I was trying to register an account on the trac today to file a bug report but the account registration seems to be broken. I'll wait to file my bug till I can use github's much nicer tracker. Thanks, Jason On Wed, May 16, 2012 at 8:45 PM, Bryan O'Sullivan b...@serpentine.comwrote:

Re: [Haskell-cafe] hackage hackage accounts

2012-05-15 Thread Jason Dagit
On Tue, May 15, 2012 at 12:11 PM, Dmitry Malikov malikov@gmail.comwrote: Good day. Recently, in irc://#haskell you can see very often replicas of people, who are tired of waiting their hackage accounts. After next release of any package from hackagebot, some depressed people definitely

Re: [Haskell-cafe] New in haskell for old-timers?

2012-03-30 Thread Jason Dagit
On Fri, Mar 30, 2012 at 1:05 PM, Mats Rauhala mats.rauh...@gmail.com wrote: On 11:57 Fri 30 Mar     , Brandon Allbery wrote: The legible C thing is probably jhc ( http://repetae.net/computer/jhc/ ).  It's GHC's *illegible* registerized C that is being phased out; the slightly-more-legible

Re: [Haskell-cafe] Google Summer of Code idea of project application

2012-03-19 Thread Jason Dagit
On Mon, Mar 19, 2012 at 9:12 PM, Chris Smith cdsm...@gmail.com wrote: On Mon, Mar 19, 2012 at 7:52 PM, Richard O'Keefe o...@cs.otago.ac.nz wrote: As just one example, a recent thread concerned implementing lock-free containers.  I don't expect converting one of those to OCaml to be easy...

Re: [Haskell-cafe] [haskell-cafe] Question about 64bit target on Windows platform

2012-03-04 Thread Jason Dagit
I don't know if timeline has been established, but my understanding is that there is a need for this and that the right people are aware of it and looking into it. The GHC trac has a ticket for this: http://hackage.haskell.org/trac/ghc/ticket/1884 On Sun, Mar 4, 2012 at 9:59 PM, C K Kashyap

Re: [Haskell-cafe] Haskell showcase in 5 minutes

2012-02-27 Thread Jason Dagit
On Mon, Feb 27, 2012 at 7:18 AM, Arnaud Bailly arnaud.oq...@gmail.com wrote: Hello Cafe, I will be (re)presenting Haskell in a Batlle Language event Wednesday evening: A fun and interactive contest where various programming language champions try to attract as much followers as possible in 5

Re: [Haskell-cafe] FFI: Overhead of foreign unsafe imports

2012-02-26 Thread Jason Dagit
On Sun, Feb 26, 2012 at 10:36 AM, Yves Parès yves.pa...@gmail.com wrote: Hello, When I was using C code from Python, the overhead put on calling C code by Python was significant. To simplify, say I have on C-side two procedures f and g, I do all the stuff to call them in a row from Python,

Re: [Haskell-cafe] Poll: Have you heard of or used GHC External Core?

2012-02-13 Thread Jason Dagit
On Mon, Feb 13, 2012 at 12:08 PM, James Fisher jameshfis...@gmail.com wrote: Hi all: I'm conducting a poll on Haskellers.com to assess the community importance of GHC External Core.  Here's the link: http://www.haskellers.com/poll/7 Is this the same or different than what you get with the

Re: [Haskell-cafe] Poll: Have you heard of or used GHC External Core?

2012-02-13 Thread Jason Dagit
On Mon, Feb 13, 2012 at 1:24 PM, James Fisher jameshfis...@gmail.com wrote: On Mon, Feb 13, 2012 at 9:01 PM, Jason Dagit dag...@gmail.com wrote: Is this the same or different than what you get with the -fext-core command? The very same. In that case, I'll fill out the survey, but let me

Re: [Haskell-cafe] Hackage 2 maintainership

2012-02-13 Thread Jason Dagit
On Mon, Feb 13, 2012 at 3:44 PM, Ben Gamari bgamari.f...@gmail.com wrote: Hey all, Those of you who follow the Haskell subreddit no doubt saw today's post regarding the status of Hackage 2. As has been said many times in the past, the primary blocker at this point to the adoption of Hackage 2

Re: [Haskell-cafe] Loading a texture in OpenGL

2012-02-06 Thread Jason Dagit
On Mon, Feb 6, 2012 at 12:00 PM, Clark Gaebel cgae...@csclub.uwaterloo.ca wrote: Using the OpenGL package on Hackage, how do I load a texture from an array? The answer will depend on a few things: * Which OpenGL package you use, for example OpenGL vs. OpenGLRaw * What type of 'array' you

[Haskell-cafe] ANN: Updated OpenGL libraries

2012-02-05 Thread Jason Dagit
Hello, I'm pleased to anounce a minor bug fix release of the OpenGL libraries. This release was prompted by issues and warnings when compiling with ghc-7.4.1. The following packages have been updated: * OpenGLRaw 1.2.0.0 * OpenGL 2.5.0.0 * GLURaw 1.2.0.0 * GLUT 2.3.0.0 Thanks goes out

Re: [Haskell-cafe] Again, version conflicting problem with cabal-install

2012-02-03 Thread Jason Dagit
...@gmail.com wrote: Well, cabal-dev could not resolve the conflict of the diamond. Because the conflict is depending different version at the SAME time. On Fri, Feb 3, 2012 at 9:20 PM, Jason Dagit dag...@gmail.com wrote: On Thu, Feb 2, 2012 at 9:54 PM, Magicloud Magiclouds magicloud.magiclo...@gmail.com

Re: [Haskell-cafe] C++ Parser?

2012-02-01 Thread Jason Dagit
On Wed, Feb 1, 2012 at 12:42 PM, Yin Wang yinwa...@gmail.com wrote: I have written a C++ parser in Scheme, with a Parsec-style parser combinator library. It can parse a large portion of C++ and I use it to do structural comparison between ASTs. I made some macros so that the parser combinators

Re: [Haskell-cafe] C++ Parser?

2012-01-24 Thread Jason Dagit
On Tue, Jan 24, 2012 at 2:06 AM, Christopher Brown cm...@st-andrews.ac.uk wrote: Hi, I have stumbled across language-c on hackage and I was wondering if anyone is aware if there exists a full C++ parser written in Haskell? I don't think one exists. I've heard it's quite difficult to get

Re: [Haskell-cafe] C++ Parser?

2012-01-24 Thread Jason Dagit
On Tue, Jan 24, 2012 at 6:54 AM, Christopher Brown cm...@st-andrews.ac.uk wrote: Hi Everyone, Thanks for everyone's kind responses: very helpful so far! I fully appreciate and understand how difficult writing a C++ parser is. However I may need one for our new Paraphrase project, where I

Re: [Haskell-cafe] C++ Parser?

2012-01-24 Thread Jason Dagit
On Tue, Jan 24, 2012 at 8:40 AM, Christopher Brown cm...@st-andrews.ac.uk wrote: Hi Jason, Thanks very much for you thoughtful response. I am intrigued about the Happy route: as I have never really used Happy before, am I right in thinking I could take the .gr grammar, feed it into Happy

Re: [Haskell-cafe] GLFW-0.5.0.0 is released

2012-01-21 Thread Jason Dagit
On Sat, Jan 21, 2012 at 4:32 AM, Paul Liu nine...@gmail.com wrote: There is now a new GLFW package on hackage with version number 0.5.0.0. Congrats! [snip] 4. There is an outstanding bug preventing GLFW programs to be invoked from GHCi on OS X. One has to compile before running GLFW

Re: [Haskell-cafe] Haskell Summers of Code retrospective (updated for 2011)

2012-01-16 Thread Jason Dagit
On Sat, Dec 10, 2011 at 6:57 PM, Gwern Branwen gwe...@gmail.com wrote: The Wheel turns, and months come and pass, leaving blog posts that fade into 404s; a wind rose in Mountain View, whispering of the coming Winter... Tonight I sat down and finally looked into the 2011 SoCs to see how they

Re: [Haskell-cafe] How to get Cabal to spit out a .a library suitable for linking into C/Objective-C

2012-01-16 Thread Jason Dagit
Did you figure out what you need to know? If not, I would suggest asking this same question but on StackOverflow (assuming you haven't already asked there). Jason On Mon, Dec 19, 2011 at 2:35 PM, David Pollak feeder.of.the.be...@gmail.com wrote: Howdy, I'm trying to figure out how to get

Re: [Haskell-cafe] Code generation and optimisation for compiling Haskell

2012-01-12 Thread Jason Dagit
On Tue, Jan 10, 2012 at 9:25 AM, Steve Horne sh006d3...@blueyonder.co.uk wrote: Also, what papers should I read? Am I on the right lines with the ones I've mentioned above? Thomas Schilling gave you a good response with papers so I will give you a different perspective on where to look. Most

Re: [Haskell-cafe] OpenAL bindings?

2012-01-07 Thread Jason Dagit
On Sat, Jan 7, 2012 at 1:26 PM, Yitzchak Gale g...@sefer.org wrote: Jason Dagit wrote: Looks like the repo [1] for the OpenAL bindings that Sven Panne created [2] is no longer available. I assume this is a result of The Great Server Outage of 2011 [3]. [1] http://darcs.haskell.org/packages

[Haskell-cafe] OpenAL bindings?

2012-01-06 Thread Jason Dagit
Hello, Looks like the repo [1] for the OpenAL bindings that Sven Panne created [2] is no longer available. I assume this is a result of The Great Server Outage of 2011 [3]. Do other bindings exist (I didn't see any on hackage, google, or the wiki [4])? I can import the source that is available

Re: [Haskell-cafe] If you'd design a Haskell-like language, what would you do different?

2011-12-23 Thread Jason Dagit
On Tue, Dec 20, 2011 at 3:10 PM, Chris Wong chrisyco+haskell-c...@gmail.com wrote: On Wed, Dec 21, 2011 at 10:53 AM, Matthew Farkas-Dyck strake...@gmail.com wrote: With GHC 7.0.3: $ cat test.hs class ℝ a where {  test :: a; }; (∈) :: Eq a = a - [a] - Bool; x ∈ (y:ys) = x == y || x ∈ ys;

Re: [Haskell-cafe] terminateProcess leaves zombie processes around

2011-12-07 Thread Jason Dagit
On Wed, Dec 7, 2011 at 7:19 AM, Brandon Allbery allber...@gmail.com wrote: On Wed, Dec 7, 2011 at 06:47, Dan Rosén d...@student.gu.se wrote: I'm using Haskell to run a lot of instances of an Automated Thorem Prover, eprover. I have pasted a smaller version of my program at

Re: [Haskell-cafe] Quickcheck research

2011-11-23 Thread Jason Dagit
On Tue, Nov 22, 2011 at 9:42 AM, wren ng thornton w...@freegeek.org wrote: On 11/22/11 6:09 AM, Macías López wrote: Hello: I'm a Master's student in Computer Science. I have to make a project involving some research, I'm very interested in Quickcheck and I wonder if there are some areas

Re: [Haskell-cafe] Is SmallCheck maintained?

2011-11-17 Thread Jason Dagit
On Mon, Nov 14, 2011 at 9:54 AM, Roman Cheplyaka r...@ro-che.info wrote: Hi Cafe, Does anyone currently work on Test.SmallCheck? I recall this being an unfortunate problem from the first release. As I recall the author was interested in getting the concept out there but had no motivation (or

Re: [Haskell-cafe] A Mascot

2011-11-16 Thread Jason Dagit
You're quite the artist. I wish I could make stuff like this. Here are some more ideas (based on titles of papers about Haskell): What about making the lamb wear a hair shirt? http://research.microsoft.com/en-us/um/people/simonpj/papers/haskell-retrospective/ Or maybe it could be lazy with

Re: [Haskell-cafe] Symbol collisions with -fhpc

2011-11-08 Thread Jason Dagit
On Tue, Nov 8, 2011 at 9:40 AM, Michael Orlitzky mich...@orlitzky.com wrote: Does anyone know what causes these? This used to work, like, a month ago. It builds fine without the -fhpc. What has changed in that time? New Ghc? New updates from your OS? New code in your project? Because it

Re: [Haskell-cafe] zlib build failure on recent GHC

2011-11-07 Thread Jason Dagit
On Mon, Nov 7, 2011 at 8:17 AM, Johan Tibell johan.tib...@gmail.com wrote: On Mon, Nov 7, 2011 at 7:53 AM, Ben Gamari bgamari.f...@gmail.com wrote: With GHC 1ece7b27a11c6947f0ae3a11703e22b7065a6b6c zlib fails to build, apparently due to Safe Haskell (bug 5610 [1]). The error is specifically,

Re: [Haskell-cafe] howto best use emacs + tiling WM (Xmonad,DWM)

2011-11-04 Thread Jason Dagit
On Fri, Nov 4, 2011 at 8:55 AM, kaffeepause73 kaffeepaus...@yahoo.de wrote: Hello, I'm using dwm which I really love (ev. consider switching to xmonad). However when I'm working with emacs (programming haskell) und dwm I feel, I'm not as effecient as I eventually could be. -- I can have the

Re: [Haskell-cafe] blog software in Haskell?

2011-11-01 Thread Jason Dagit
On Mon, Oct 31, 2011 at 2:14 AM, Ketil Malde ke...@malde.org wrote: Hi, I just upgraded my server, and set up everything again.  Except wordpress, as 1) I'm not too fond of its user interface, and 2) it's a big pile of PHP, difficult to keep updated, and basically a disaster waiting to

Re: [Haskell-cafe] Hackage feature request: E-mail author when a package breaks

2011-11-01 Thread Jason Dagit
On Tue, Nov 1, 2011 at 2:45 AM, Max Bolingbroke batterseapo...@hotmail.com wrote: On 1 November 2011 09:00, Ketil Malde ke...@malde.org wrote: This is where it stranded the last time, IIRC.  That sentiment makes me a bit uneasy; so you are the official maintainer of a package on Hackage, but

[Haskell-cafe] ANN: Haskell OpenGL package updates

2011-10-28 Thread Jason Dagit
Several months ago I announced my intent to take over maintainership of the Haskell OpenGL bindings and associated packages. Today I have pushed new minor revisions to hackage. I have updated the following packages: * OpenGL * OpenGLRaw * GLURaw * GLUT The change log is very minor for

Re: [Haskell-cafe] ANN: Haskell OpenGL package updates

2011-10-28 Thread Jason Dagit
On Fri, Oct 28, 2011 at 2:07 PM, Edward Kmett ekm...@gmail.com wrote: Jason, Thank you for taking ownership of HOpenGL! Thanks! I would like to make a formal request for there to be some way to get access to either Graphics.Rendering.OpenGL.Raw.Core31.TypesInternal or that

Re: [Haskell-cafe] ANN: diagrams 0.4

2011-10-24 Thread Jason Dagit
On Sun, Oct 23, 2011 at 11:47 AM, Brent Yorgey byor...@seas.upenn.edu wrote: I am pleased to announce the release of version 0.4 of diagrams, a full-featured framework and embedded domain-specific language for declarative drawing. The last announcement was of the 0.1 release; there have been

Re: [Haskell-cafe] ANN: OpenCL 1.0.1.3 package

2011-10-21 Thread Jason Dagit
. * Tested on Linux + NVidia only. * Jason Dagit is helping with Windows, OSX testing in own fork, also the call-conv fork in github has changes to work on Windows Please, Consider it's on experimental status but it works, I need lots of feedbacks for detect posible errors, Thanks, Hi everyone I

Re: [Haskell-cafe] ANN: OpenCL 1.0.1.3 package

2011-10-13 Thread Jason Dagit
. * Tested on Linux + NVidia only. * Jason Dagit is helping with Windows, OSX testing in own fork, also the call-conv fork in github has changes to work on Windows Please, Consider it's on experimental status but it works, I need lots of feedbacks for detect posible errors, Thanks, Hi everyone I

Re: [Haskell-cafe] ANN: OpenCL 1.0.1.3 package

2011-10-04 Thread Jason Dagit
On Tue, Oct 4, 2011 at 12:54 AM, Luis Cabellos cabel...@ifca.unican.es wrote: I understand your point. I didn't know the problems with cross module inlining that Haskell suffers. I learned the BSD3, I think is a good  and I'll change it on github and I'll put in the next release. Oh cool.

Re: [Haskell-cafe] ANN: hit a reimplementation of git storage in haskell.

2011-10-04 Thread Jason Dagit
On Tue, Oct 4, 2011 at 2:15 PM, Vincent Hanquez t...@snarc.org wrote: Any comments welcome, Nice! Have you looked at Petr Rockai's hashed-storage? http://hackage.haskell.org/package/hashed-storage-0.5.8 Jason ___ Haskell-Cafe mailing list

Re: [Haskell-cafe] ANN: OpenCL 1.0.1.3 package

2011-10-03 Thread Jason Dagit
On Mon, Oct 3, 2011 at 9:04 AM, Jason Dagit dag...@gmail.com wrote: We could have a different version of the function for each return type, clGetDeviceInfo_FPConfig, clGetDeviceInfo_AddressBits, etc. It's a great naming convention but it has the property that someone searching the bindings

Re: [Haskell-cafe] ANN: OpenCL 1.0.1.3 package

2011-10-03 Thread Jason Dagit
more types to hide most of the alloc/free of the API, and hide the enums using c2hs enums. * The worst problem of the OpenCLRaw is the bad types it use, I learn to fix 32/64 bits issues with c2hs, and test it on linux machines. * Tested on Linux + NVidia only. * Jason Dagit is helping

[Haskell-cafe] Can't link OpenCL on Windows

2011-09-12 Thread Jason Dagit
Hello, I'm trying to get the OpenCLRaw bindings to a point where I can use them on windows. I've forked the the OpenCLRaw repo on github so I can make modifications as needed. My branch is here: https://github.com/dagit/OpenCLRaw I've been mostly working out of my FunPtr branch. The issue I'm

Re: [Haskell-cafe] Can't link OpenCL on Windows

2011-09-12 Thread Jason Dagit
Mystery solved. The OpenCLRaw bindings were set to use ccall but OpenCL uses stdcall. I've updated my branch of the bindings. Details on stackoverflow: http://stackoverflow.com/questions/7391634/cant-link-opencl-on-windows-with-ghc Jason On Mon, Sep 12, 2011 at 10:29 AM, Jason Dagit dag

Re: [Haskell-cafe] ANN: cabal-ghci 0.1

2011-09-09 Thread Jason Dagit
On Thu, Sep 8, 2011 at 11:06 PM, Etienne Laurin etie...@atnnn.com wrote: Hello fellow hackers. Here is a helpful package I wrote to ease the development of projects using cabal. It includes a :cabalset ghci command to set ghci options for your project, and a cabal-ghci executable to launch

Re: [Haskell-cafe] ANN: cabal-ghci 0.1

2011-09-09 Thread Jason Dagit
On Fri, Sep 9, 2011 at 2:44 PM, Etienne Laurin etie...@atnnn.com wrote: Here is a helpful package I wrote to ease the development of projects using cabal. Is :cabalset custom per project or could I put the same things in my ~/.ghci? Everytime I run :cabalset or cabal-ghci, it looks for a

Re: [Haskell-cafe] Trouble with Haddock

2011-08-29 Thread Jason Dagit
On Sun, Aug 28, 2011 at 6:37 AM, anonymous qubi...@gmail.com wrote: First time using haddock. I'm unable to include code examples in the module header. Haddock fails with this error: haddock module header parse failed: Cannot parse header documentation paragraphs It's about 12 lines of

Re: [Haskell-cafe] ping haskell.org timeout

2011-08-25 Thread Jason Dagit
On Thu, Aug 25, 2011 at 2:39 PM, Greg Fitzgerald gari...@gmail.com wrote: cabal update hangs.  ping haskell.org times out.  But haskell.org and hackage webpages are loading just fine.  What's going on? Lots of servers turn off ICMP packet responses these days so ping isn't as reliable as it

Re: [Haskell-cafe] ping haskell.org timeout

2011-08-25 Thread Jason Dagit
On Thu, Aug 25, 2011 at 9:20 PM, Ketil Malde ke...@malde.org wrote: Jason Dagit dag...@gmail.com writes: On Thu, Aug 25, 2011 at 2:39 PM, Greg Fitzgerald gari...@gmail.com wrote: cabal update hangs.  ping haskell.org times out.  But haskell.org and hackage webpages are loading just fine

Re: [Haskell-cafe] How to make callCC more dynamic

2011-08-24 Thread Jason Dagit
On Wed, Aug 24, 2011 at 9:19 AM, bob zhang bobzhang1...@gmail.com wrote: Hi, all I thought the right type for ContT should be newtype ContT m a = ContT {runContT :: forall r. (a- m r) - m r} and other control operators shift :: Monad m = (forall r . (a- ContT m r) - ContT m r) - ContT m a

Re: [Haskell-cafe] Question about data

2011-08-19 Thread Jason Dagit
On Fri, Aug 19, 2011 at 1:45 PM, Thomas DuBuisson thomas.dubuis...@gmail.com wrote: This is not a valid data declaration.  You can't have a Float field without any constructor name and have it still of type And the reason why it accepts 'data MathExpr = Float', is because data constructors and

Re: [Haskell-cafe] Compilation error in Chapter 5 of Real World Haskell

2011-08-18 Thread Jason Dagit
On Wed, Aug 17, 2011 at 10:37 AM, Paul Reiners paul.rein...@gmail.com wrote: I'm trying to do the following from Chapter 5 of Real World Haskell: Our choice of naming for the source file and function is deliberate. To create an executable, ghc expects a module named Main that contains a

Re: [Haskell-cafe] Please help me spot where space leak occur.

2011-07-27 Thread Jason Dagit
On Fri, Jul 22, 2011 at 1:54 AM, Olexander Kozlov ookoz...@gmail.com wrote: Jason, thank you for your help. The hint for using -s option is very valuable. It is good to see people answering questions about Haskell here on haskell-cafe. stackoverflow is another good place to ask. This is

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