On 21/04/2010 19:38, Bas van Dijk wrote:
On Tue, Apr 20, 2010 at 12:56 PM, Simon Marlow wrote:
On 09/04/2010 12:14, Bertram Felgenhauer wrote:
It could be baked into a variant of the forkIO primitive, say
forkIOwithUnblock :: ((IO a ->IO a) ->IO b) ->IO ThreadId
I agree wit
On Thu, Apr 22, 2010 at 10:30 AM, Simon Marlow wrote:
> Funnily enough, before posting the above message I followed exactly the line
> of reasoning you detail below to discover that there isn't a way to fix this
> using parametricity. It's useful to have it documented, though - thanks.
In their
Leon Smith wrote:
> Heinrich Apfelmus wrote:
>> which were introduced by John Hughes in his Phd thesis from 1983. They
>> are intriguing! Unfortunately, I haven't been able to procure a copy of
>> Hughes' thesis, either electronic or in paper. :( Can anyone help? Are
>> there any other resources ab
Hi all,
I have a few questions about the GHC lexer (currently using GHC Glasgow
Haskell Compiler, Version 6.13.20100320, for Haskell 98, stage 2 booted by
GHC version 6.12.1)
And I notice that when invoking the lexer I get a few unexpected results
that I was hoping someone could clarify.
T
Comparison of exceptional IEEE floating point numbers, like Nan, seems
to have some bugs in ghci (version 6.12.1).
These are correct, according to the IEEE floating point standards:
Prelude> 0 < (0/0)
False
Prelude> 0 > (0/0)
False
Prelude> 0 == (0/0)
False
But these are
Seeking PhD students and postdocs interested in an elegant combination
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> Message: 8
> Date: Tue, 20 Apr 2010 12:08:36 +0400
> From: Daniil Elovkov
> Subject: Re: [Haskell-cafe] memory needed for SAX parsing XML
> To: Haskell-Cafe
> Message-ID: <4bcd6104.50...@googlemail.com>
> Content-Type: text/plain; charset=ISO-8859-1; format=flowed
>
> Jason Dagit wrote:
>>
>>
>
On Wed, 21 Apr 2010, Christian Maeder wrote:
I think, I've addressed the points made by Henning and Sebastian.
(Don't forget to "cabal update".)
Cool!
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On 16:34 Thu 22 Apr , Barak A. Pearlmutter wrote:
> Comparison of exceptional IEEE floating point numbers, like Nan, seems
> to have some bugs in ghci (version 6.12.1).
>
> These are correct, according to the IEEE floating point standards:
>
> Prelude> 0 < (0/0)
> False
...
> But thes
On Thu, Apr 22, 2010 at 11:34 AM, Barak A. Pearlmutter wrote:
> Comparison of exceptional IEEE floating point numbers, like Nan, seems
> to have some bugs in ghci (version 6.12.1).
Arguably, the "bug" in question is the mere existence of Eq and Ord
instances for IEEE floats. They don't, can't, an
On 13:30 Thu 22 Apr , Casey McCann wrote:
> On Thu, Apr 22, 2010 at 11:34 AM, Barak A. Pearlmutter
> wrote:
> > Comparison of exceptional IEEE floating point numbers, like Nan, seems
> > to have some bugs in ghci (version 6.12.1).
>
> Arguably, the "bug" in question is the mere existence of
Consider the following bash session:
[ a...@kizaru:~/ ]$ which trhsx
/home/ajs/.cabal/bin/trhsx
[ a...@kizaru:~/ ]$ trhsx
Usage: trhsx []
[ a...@kizaru:~/ ]$ cabal install hsp
Resolving dependencies...
Configuring hsp-0.4.5...
Preprocessing library hsp-0.4.5...
Building hsp-0.4.5...
ghc: could
Hello cafe,
Could you say can I determine in Template Haskell that datatype X has
instance of class Y?
Regards,
Dmitry
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Hi,
I am asking if anyone has seen the following behaviour from GHC under
-threaded and heavy use of File I/O, network I/O and STM use. After
having run Combinatorrent for a while and then terminating it, we get
the following output from the RTS in GC statistics:
INIT time0.00s ( 0.00s e
Hi,
I'm trying to download a file in UTF-8 with libcurl(1.3.5) and GHC 6.12:
>import Network.Curl
>u = "http://www.cl.cam.ac.uk/~mgk25/ucs/examples/UTF-8-demo.txt";
>main = curlGetString u [] >>= putStrLn . snd
Which doesn't print the characters correctly. If i read the file from local
storage w
Dear Haskellers,
I heard from a guy who was having problems with wxHaskell using GHC
6.10.x. I tried it myself and had the exact same problem occurring
using GHC 6.12.x as well. I am using the debian unstable version of
ghc6 package.
kya...@kyagrd:~/tmp$ head bb.hs
import Graphics.UI.WX
import
Just searched and found out that this is a ticket 4 months old
http://hackage.haskell.org/trac/ghc/ticket/3798 but it seems that it's
not only a GHCi problem. It doesn't compile with ghc either.
2010년 04월 22일 17:05, Ahn, Ki Yung 쓴 글:
> Dear Haskellers,
>
> I heard from a guy who was having probl
On Fri, Apr 23, 2010 at 12:14:29AM +0200, Jesper Louis Andersen wrote:
> Hi,
>
> I am asking if anyone has seen the following behaviour from GHC under
> -threaded and heavy use of File I/O, network I/O and STM use. After
> having run Combinatorrent for a while and then terminating it, we get
> the
On Fri, Apr 23, 2010 at 2:19 AM, Iustin Pop wrote:
> I don't know GHC internals, but from the description of the program (and
> the fact that you don't use more than one core), I wonder why you use
> -threaded?
>
A worthy question indeed. The reason is that I am using registerDelay
and that requi
This is really good stuff, Luke. I am interested in learning more,
especially in seeing examples or actual game code that implement the
more common parts of a game. I build a game ("silkworm") in Haskell
that was one of my first Haskell programs. The code was not pretty,
and I always fel
I agree, thank you for the info.
On Thu, Apr 22, 2010 at 9:57 PM, Duane Johnson wrote:
> This is really good stuff, Luke. I am interested in learning more,
> especially in seeing examples or actual game code that implement the more
> common parts of a game. I build a game ("silkworm") in Haskel
Hi,
We use the Haskell Logo in Fedora OS installer for the Haskell packages group:
http://git.fedorahosted.org/git/?p=comps-extras.git;a=tree
I trying to get the logo updated to the nice "new" logo designed by
Jeff Wheeler:
http://haskell.org/sitewiki/images/a/a8/Haskell-logo-60.png
To do that w
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