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On 3/13/11 03:16 , bri...@aracnet.com wrote:
ghc: fdWriteBuf: resource vanished (Broken pipe)
which make sense, sort of. I write a value, let's say 10, and the
reader reads it. It's the last value so it closes the fifo.
Now there's nothing
On 13 March 2011 22:02, Jason Dusek jason.du...@gmail.com wrote:
Is there any case in which the empty string would be unsafe?
AFAIK this stuff is only used to setup the +RTS options and some of
the stuff in System.Environment. I think that the contents of the
program name will only cause
Am 14.03.2011 06:26, schrieb C K Kashyap:
Looks like a job for Data.Binary.
I'd like to use it with just the libraries that are part of the
platform
I forgot to mention, Data.Binary does not seem to be in the platform.
Right, it is not in the platform, but I would recommend
=
ICFP 2011: International Conference on Functional Programming
http://www.icfpconference.org/icfp2011
=
On behalf of the Program Committee of
On 22 Feb 2011, at 22:21, Bryan O'Sullivan wrote:
for some code that's (b) faster than anything else currently available
I look forward to seeing some benchmarks against libraries other than
containers, such as AVL trees, bytestring-trie, hamtmap, list-trie,
etc. Good comparisons of
The ghc-binary package is used internal to GHC, and isn't gauranteed to be
present from one version to the next, nor do I expect the GHC team to
promise it will have a stable interface.
You'd really be better of instaling the package binary, or something
similar.
On Mar 14, 2011 5:34 AM,
Hi José,
On 11/03/2011 14:16, José Pedro Magalhães wrote:
I've played a bit with Intel's Manycore Testing Lab
(http://software.intel.com/en-us/articles/intel-many-core-testing-lab/).
Part of the agreement to use it requires that you report back your
experiences, which I did in an Intel forum
On 14/03/2011 10:33, Christian Maeder wrote:
Am 14.03.2011 06:26, schrieb C K Kashyap:
Looks like a job for Data.Binary.
I'd like to use it with just the libraries that are part of the
platform
I forgot to mention, Data.Binary does not seem to be in the platform.
Right, it
On Mar 14, 2011 6:23 PM, Malcolm Wallace malcolm.wall...@me.com wrote:
On 22 Feb 2011, at 22:21, Bryan O'Sullivan wrote:
for some code that's (b) faster than anything else currently available
I look forward to seeing some benchmarks against libraries other than
containers, such as AVL
Simple question which an hour of googling and a question on #haskell
couldn't satisfy. :(
I have installed the Haskell Platform 2011.2.0.0 on Mac OS X 10.6.6.
Now how do I *uninstall* it?
Thanks,
Jesse
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On Monday, March 14, 2011 at 3:22 PM, Jesse Schalken wrote:
Simple question which an hour of googling and a question on #haskell couldn't
satisfy. :(
I have installed the Haskell Platform 2011.2.0.0 on Mac OS X 10.6.6.
Now how do I uninstall it?
sudo
On Mon, 14 Mar 2011 02:33:13 -0400
Brandon S Allbery KF8NH allber...@gmail.com wrote:
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On 3/13/11 03:16 , bri...@aracnet.com wrote:
ghc: fdWriteBuf: resource vanished (Broken pipe)
which make sense, sort of. I write a value, let's say 10,
According to the installer it puts symlinks for executables (a list of
which is on the HP website) in /usr/bin, so you'll want to delete
those.
As far as I recall (I think the installer mentions something about this):
- GHC is installed in /Library/Frameworks/GHC.framework
- HP is installed in
This leaves the symlinks alex, cabal, cabal.real, cabal.wrap and
happy in /usr/bin, and also leaves
/Library/Frameworks/HaskellPlatform.framework, and while I can remove
those myself how can I be certain there isn't something else left behind?
On Tue, Mar 15, 2011 at 1:31 AM, Anders Persson
I have done this and it has only removed GHC, not the rest of the Haskell
Platform.
On Tue, Mar 15, 2011 at 1:40 AM, Daniël de Kok m...@danieldk.eu wrote:
On Monday, March 14, 2011 at 3:22 PM, Jesse Schalken wrote:
Simple question which an hour of googling and a question on #haskell
couldn't
On Mon, Mar 14, 2011 at 9:44 AM, bri...@aracnet.com wrote:
On Mon, 14 Mar 2011 02:33:13 -0400
Brandon S Allbery KF8NH allber...@gmail.com wrote:
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On 3/13/11 03:16 , bri...@aracnet.com wrote:
ghc: fdWriteBuf: resource vanished (Broken pipe)
This is a procedure suggested by Mark Lentczner on the haskell-platform mailing
list. It clears out _any_ and _all_ versions of haskell platform, so use with
care.
/Anders
Begin forwarded message:
These installers don't attempt to uninstall prior versions, and depending on
how your prior
In my code, I'm doing this quite a lot:
x - someIO
case x of
Opt1 - ...
Having a line for extracting the value from the IO (or STM) and then
acting on the value seems unnatural. Is there a more concise way to
do this? This code:
case someIO of
Opt1 - ...
Doesn't work, but is there
See this thread:
http://www.haskell.org/pipermail/haskell-cafe/2010-October/084291.html
On 14 March 2011 15:48, tsuraan tsur...@gmail.com wrote:
In my code, I'm doing this quite a lot:
x - someIO
case x of
Opt1 - ...
Having a line for extracting the value from the IO (or STM) and then
Your first line is entirely natural.
The alternative doesn't look right at all.
I am not aware of a more concise alternative to this general construction
(assuming there are multiple case alternative, and that the work can't be
done with library functions).
Chris
From:
If you have only one alternative, then you can simply do:
Opt1 - someIO
E.g., if you are _sure_ that foo returns always a 'Just' within a monad you
can perfectly do :
Just x - foo
2011/3/14 tsuraan tsur...@gmail.com
In my code, I'm doing this quite a lot:
x - someIO
case x of
Opt1 -
See this
thread: http://www.haskell.org/pipermail/haskell-cafe/2010-October/084291.html
Which links to http://hackage.haskell.org/trac/ghc/ticket/4359 .
Looks like there's already been quite a bit of discussion on this
already :) Thanks for the link.
If you have only one alternative, then you can simply do:
Opt1 - someIO
E.g., if you are _sure_ that foo returns always a 'Just' within a monad you
can perfectly do :
Just x - foo
That's interesting. I had no idea that one could do that. I think
what I'm looking for is something along
Hi.
I want to use parsers from haskell-src-exts as sub-parsers,
which does not seem to work since they insist on consuming the input completely.
I would need them to parse a maximal prefix,
and return the (unconsumed) rest of input as well
(cf.
I haven't tried myself - but from the docs, partial parsers seem to
depend on finding an error token so they seem to be partial as in
handles failure.
If you want to parse specific fragments you probably want to generate
multiple parsers from a single grammar see section 2.7.
Dear all,
I just released the first version of the Craftwerk graphics library for
2d vector graphics. Craftwerk is intended to act as an abstract
interface to different backend drivers. The library itself has a TikZ
(http://sourceforge.net/projects/pgf) driver builtin to output vector
graphics
2011/3/14 Malte Harder malte.har...@googlemail.com:
Dear all,
I just released the first version of the Craftwerk graphics library for
2d vector graphics. Craftwerk is intended to act as an abstract
interface to different backend drivers. The library itself has a TikZ
Hi Thu,
Could you please as suggest one comment include some screenshots (even
better with some code next to them) on the homepage?
indeed, that's a good idea. I just put two examples up. There will be
some more examples coming soon.
Best,
Malte
I recently upgraded to ghc 7.0.2 from 6.12.3, along with the Haskell
platform, and noticed that the following code no longer works as expected:
waitFor tvar = atomically $ do
count - readTVar tvar
check (count == 0)
worker tchan tvar = loop
where loop = do
putStrLn checking
I recently upgraded to ghc 7.0.2 from 6.12.3, along with the Haskell platform,
and noticed that the following code no longer works as expected:
waitFor tvar = atomically $ do
count - readTVar tvar
check (count == 0)
worker tchan tvar = loop
where loop = do
putStrLn
On Mon, Mar 14, 2011 at 11:56 PM, qld3303 qld3...@gmail.com wrote:
This will work if I use atomically, but otherwise it does nothing, tchan
remains empty afterwards.
I'm not clear how this should behave.
You really should use atomically on that line. I don't see how it
worked before.
--
I must've been mistaken.
Thanks
On Mon, Mar 14, 2011 at 7:05 PM, Felipe Almeida Lessa
felipe.le...@gmail.com wrote:
On Mon, Mar 14, 2011 at 11:56 PM, qld3303 qld3...@gmail.com wrote:
This will work if I use atomically, but otherwise it does nothing, tchan
remains empty afterwards.
I'm
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