How am I supposed to edit a page on the Haskell wiki?
If I click on an Edit this page link, then Firefox prompts me to
choose a tool to open an application/x-external-editor. When i just
choose the default (emacs) I get the following opened in emacs:
[Process]
Type=Edit text
Engine=MediaWiki
Luke Palmer wrote:
Well, it's probably not what you're looking for, but to remain true to
the domain-theoretical roots of fix, the least fixed point above can
be implemented as:
fixAbove f x = fix f `lub` x
How can this be right if f is never applied to x? Or maybe you're trying
to do
If avoiding success at all costs is the goal, wouldn't having a cool
logo be counter-productive?
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Haskell-Cafe mailing list
Haskell-Cafe@haskell.org
http://www.haskell.org/mailman/listinfo/haskell-cafe
On Friday 20 March 2009 2:43:49 am Martijn van Steenbergen wrote:
Luke Palmer wrote:
Well, it's probably not what you're looking for, but to remain true to
the domain-theoretical roots of fix, the least fixed point above can
be implemented as:
fixAbove f x = fix f `lub` x
How can this
Hi,
Is there some way to tell ghc, how to interpret numeric literals? I
would like it to interpret
1 as 1 :: Integer
not
1 as fromInteger (1 :: Integer)
I have been playing with the following (rather ugly) code.
{-# OPTIONS
-XFunctionalDependencies
-XMultiParamTypeClasses
Am Donnerstag, 19. März 2009 13:58 schrieben Sie:
An easier idea to think about would be to categorize most adjectives
applied to mathematical constructs into traits and cotraits.
A trait refines a notion and a cotrait broadens the definition.
When talking about a commutative ring,
On Fri, Mar 20, 2009 at 1:01 AM, Dan Doel dan.d...@gmail.com wrote:
However, to answer Luke's wonder, I don't think fixAbove always finds fixed
points, even when its preconditions are met. Consider:
f [] = []
f (x:xs) = x:x:xs
twos = 2:twos
How about
fixAbove f x = x `lub`
Richard O'Keefe o...@cs.otago.ac.nz writes:
The problem we were asked about was specifically
a
aa
aaa
The code (iterate ('a':) \n) does not give the right answer.
It's not just that it produces an infinite list instead of three
strings, it doesn't even start with the right
On Thu, 2009-03-19 at 11:50 +0100, Johannes Waldmann wrote:
Thanks. Now the 00-index.tar.gz works.
When studying the access log of my web server,
I found that the cabal client (cabal-install/0.6.0)
does not want $pkg/$ver/$pkg-$ver.tar.gz
but uses packages/$pkg-$ver/tarball instead
(yes,
Hello Colin,
Friday, March 20, 2009, 9:18:59 AM, you wrote:
How am I supposed to edit a page on the Haskell wiki?
If I click on an Edit this page link, then Firefox prompts me to
choose a tool to open an application/x-external-editor. When i just
it should be a problem with your config, i
Neil == Neil Mitchell ndmitch...@gmail.com writes:
semi-rant warning:
This whole badge/logo business seems to me to be an excellent
example of Parkinson's law of triviality (choosing the colour
of the bikeshed). We have a large (too large) number of
variations on
semi-rant warning:
This whole badge/logo business seems to me to be an excellent example
of Parkinson's law of triviality (choosing the colour of the
bikeshed). We have a large (too large) number of variations on
relatively few themes and a really sophisticated voting system, but
no very
Warren Harris warrensomeb...@gmail.com writes:
After spending a bit of time trying to decide how to vote, I
ended up deciding that my favorite would be a hybrid of
several of the designs (#9 #49 FalconNL, and #50 George
Pollard). It's probably too late to include this in the
voting, but
Jon Fairbairn wrote:
semi-rant warning:
This whole badge/logo business seems to me to be an excellent example
of Parkinson's law of triviality (choosing the colour of the
bikeshed). We have a large (too large) number of variations on
relatively few themes and a really sophisticated
On Fri, 2008-12-19 at 12:53 -0800, Justin Bailey wrote:
I've been following this instructions at
http://www.haskell.org/haskellwiki/Calling_Haskell_from_C to build a
Haskell library which I can call from a C program. I'd like to use
cabal to do the build in the future.
As I'm sure you
Bulat == Bulat Ziganshin bulat.zigans...@gmail.com writes:
Bulat Hello Colin,
Bulat Friday, March 20, 2009, 9:18:59 AM, you wrote:
How am I supposed to edit a page on the Haskell wiki?
If I click on an Edit this page link, then Firefox prompts me
to choose a tool to open an
Duncan == Duncan Coutts duncan.cou...@worc.ox.ac.uk writes:
Duncan On Thu, 2009-03-19 at 12:56 -0400, Brandon S. Allbery KF8NH wrote:
On 2009 Mar 19, at 12:39, Brandon S. Allbery KF8NH wrote:
On 2009 Mar 19, at 12:30, Colin Paul Adams wrote:
Max == Max Rabkin max.rab...@gmail.com
2009/3/20 Colin Paul Adams co...@colina.demon.co.uk:
Duncan == Duncan Coutts duncan.cou...@worc.ox.ac.uk writes:
Duncan On Thu, 2009-03-19 at 12:56 -0400, Brandon S. Allbery KF8NH wrote:
On 2009 Mar 19, at 12:39, Brandon S. Allbery KF8NH wrote:
On 2009 Mar 19, at 12:30, Colin Paul
On Thu, 2009-03-19 at 12:56 -0400, Brandon S. Allbery KF8NH wrote:
On 2009 Mar 19, at 12:39, Brandon S. Allbery KF8NH wrote:
On 2009 Mar 19, at 12:30, Colin Paul Adams wrote:
Max == Max Rabkin max.rab...@gmail.com writes:
Max On Thu, Mar 19, 2009 at 4:41 PM, Manlio Perillo
Max
Hi all,
I've been running into stack-overflow problems for some time now. Here
is what I gathered so far.
I used to think that the build up of thunks caused the stack overflow
when, as it turns out, it does not.
I apparently can have a huge thunk build up eventhough I use a
supposedly
On Fri, 2009-03-20 at 10:39 +, Colin Paul Adams wrote:
Duncan We call it the Package versioning policy (PVP)
Duncan http://www.haskell.org/haskellwiki/Package_versioning_policy
Duncan Package authors are encouraged but not required to follow
Duncan it. In the not too
Warren Harris warrensomeb...@gmail.com wrote:
After spending a bit of time trying to decide how to vote, I ended up
deciding that my favorite would be a hybrid of several of the designs
(#9 #49 FalconNL, and #50 George Pollard). It's probably too late to
include this in the voting, but
On Fri, Mar 20, 2009 at 11:59 AM, GüŸnther Schmidt gue.schm...@web.de wrote:
I apparently can have a huge thunk build up eventhough I use a supposedly
accumulative, tail-recursive algorithm.
This is correct. If you don't strictly evaluate your accumulator
before you tail recursive, a thunk will
Günther Schmidt gue.schm...@web.de writes:
Apparently it is the evaluation of this huge build-up that causes the
stack-overflow but not the thunk-build-up *as such*.
Do I understand this correctly?
I think that is correct.
Prelude foldl (+) 0 [1..100]
*** Exception: stack overflow
Yes, even in English semi- is a prefix, so it falls under the purview of
morphology, the borderline between syntax and phonetics where linguists on
either side of the divide shove things they don't want to think about, but
it was the nearest example to hand. =)
On the other hand, non-associative
Thanks Bas and Ketil,
the point I wanted to stress though is that the stack overflow does
actually not occur doing the recursive algorithm, just a build-up of thunks.
The algorithm itself will eventually complete without the stack overflow.
The problem occurs when the result value is needed
The problem occurs when the result value is needed and thus the
thunks need to be reduced, starting with the outermost, which can't
be reduced without reducing the next one etc and it's these
reduction steps that are pushed on the stack until its size cause a
stack-overflow.
Yes,
Thanks Bas and Ketil,
the point I wanted to stress though is that the stack overflow does
actually not occur doing the recursive algorithm, just a build-up of thunks.
The algorithm itself will eventually complete without the stack overflow.
The problem occurs when the result value is needed
On Fri, Mar 20, 2009 at 10:06 AM, Lauri Oksanen lasso...@gmail.com wrote:
Hi,
Is there some way to tell ghc, how to interpret numeric literals? I
would like it to interpret
1 as 1 :: Integer
not
1 as fromInteger (1 :: Integer)
Check out this section from the haskell language report:
On Fri, Mar 20, 2009 at 2:01 PM, GüŸnther Schmidt gue.schm...@web.de wrote:
The problem occurs when the result value is needed and thus the thunks need
to be reduced, starting with the outermost, which can't be reduced without
reducing the next one etc and it's these reduction steps that
I think your best bet is -fno-implicit-prelude, and defining
fromInteger = id :: Integer-Integer.
On Fri, Mar 20, 2009 at 10:06 AM, Lauri Oksanen lasso...@gmail.com wrote:
Hi,
Is there some way to tell ghc, how to interpret numeric literals? I
would like it to interpret
1 as 1 :: Integer
On Fri, Mar 20, 2009 at 3:24 AM, Colin Paul Adams
co...@colina.demon.co.uk wrote:
Bulat == Bulat Ziganshin bulat.zigans...@gmail.com writes:
Bulat Hello Colin,
Bulat Friday, March 20, 2009, 9:18:59 AM, you wrote:
How am I supposed to edit a page on the Haskell wiki?
If I click on
Alexander == Alexander Dunlap alexander.dun...@gmail.com writes:
Alexander On Fri, Mar 20, 2009 at 3:24 AM, Colin Paul Adams
Alexander co...@colina.demon.co.uk wrote:
Bulat == Bulat Ziganshin bulat.zigans...@gmail.com
writes:
Bulat Hello Colin,
Bulat
The problem occurs when the result value is needed and thus the
thunks need to be reduced, starting with the outermost, which can't
be reduced without reducing the next one etc and it's these
reduction steps that are pushed on the stack until its size cause a
stack-overflow.
Yes,
GüŸnther Schmidt wrote:
the point I wanted to stress though is that the stack overflow does
actually not occur doing the recursive algorithm, just a build-up of thunks.
You can also observe this with suitable trace statements. For example:
import Debug.Trace
import System.Environment
On Fri, Mar 20, 2009 at 7:31 AM, Colin Paul Adams
co...@colina.demon.co.uk wrote:
Alexander == Alexander Dunlap alexander.dun...@gmail.com writes:
Alexander On Fri, Mar 20, 2009 at 3:24 AM, Colin Paul Adams
Alexander co...@colina.demon.co.uk wrote:
Bulat == Bulat Ziganshin
Alexander == Alexander Dunlap alexander.dun...@gmail.com writes:
What Editing tab? -- Colin Adams Preston Lancashire
It's on the left-hand side of the page, at least on my screen. I guess
Alexander it doesn't really look like a tab, but there's a link
Alexander that says
Hi all,
here I am again with my all time favorite unsolved problem: stack overflows.
The advice I have received so far from the Haskell community (this list
and #haskell) was to use strictness annotation or seq in most cases.
And indeed it did help.
It certainly helped when I used a data
It would be great to have a video of this in action up on youtube.
You can simply 'recordmydesktop' on linux (and likely elsewhere), then
upload the result.
It also helps the general adoption cause, having Haskell more visible
and accessible.
claus.reinke:
The problem occurs when the result
Hi,
I’ve been thinking of changing over to an iMac from my crappy old PC running
Windows Vista.
Question: Does the iMac have good support for Haskell development?
Question: What environment setups do people commonly use (e.g. Eclipse Xcode
etc)?
Question: Are there any caveats I
On Fri, Mar 20, 2009 at 8:07 AM, Colin Paul Adams
co...@colina.demon.co.uk wrote:
Alexander == Alexander Dunlap alexander.dun...@gmail.com writes:
What Editing tab? -- Colin Adams Preston Lancashire
It's on the left-hand side of the page, at least on my screen. I guess
2009/3/20 Mark Spezzano mark.spezz...@chariot.net.au:
Hi,
I’ve been thinking of changing over to an iMac from my crappy old PC running
Windows Vista.
Question: Does the iMac have good support for Haskell development?
Question: What environment setups do people commonly use (e.g. Eclipse
Critiano, despite that thread, yes, there is decent support for
Haskell on Mac OS X. The main problem is that the ports system to
install Gtk2Hs isn't terribly great, as in it mostly doesn't work, but
if you're willing to get Gtk2Hs compiled on your own, then after that,
I've found it to be
On 20 Mar 2009, at 16:56, Mark Spezzano wrote:
Hi,
I’ve been thinking of changing over to an iMac from my crappy old PC
running Windows Vista.
Question: Does the iMac have good support for Haskell development?
As good as, if not better than other platforms I've found, you get
none of
Alexander == Alexander Dunlap alexander.dun...@gmail.com writes:
Alexander On Fri, Mar 20, 2009 at 8:07 AM, Colin Paul Adams
Alexander co...@colina.demon.co.uk wrote:
Alexander == Alexander Dunlap
alexander.dun...@gmail.com writes:
What Editing tab? --
Malcolm Wallace wrote:
However, despite having not yet cast any vote, I now find that the
voting site gives me:
404 Not Found
The requested URL /~andru/cgi-perl/civs/vote.pl was not found on this server.
The URL I have starts with /w8/ :
tom.davie:
Other than chose the graphics card carefully, an iMac will do you very well.
Hope that helps.
This is very useful.
Could the Mac users add information (and screenshots?) to the OSX wiki
page,
http://haskell.org/haskellwiki/OSX
I agree...
On Fri, Mar 20, 2009 at 11:14 AM, Neil Mitchell ndmitch...@gmail.comwrote:
semi-rant warning:
This whole badge/logo business seems to me to be an excellent example
of Parkinson's law of triviality (choosing the colour of the
bikeshed). We have a large (too large) number of
On 20 Mar 2009, at 18:08, Don Stewart wrote:
tom.davie:
Other than chose the graphics card carefully, an iMac will do you
very well.
Hope that helps.
This is very useful.
Could the Mac users add information (and screenshots?) to the OSX wiki
page,
tom.davie:
On 20 Mar 2009, at 18:08, Don Stewart wrote:
tom.davie:
Other than chose the graphics card carefully, an iMac will do you
very well.
Hope that helps.
This is very useful.
Could the Mac users add information (and screenshots?) to the OSX wiki
page,
On 20 Mar 2009, at 18:46, Don Stewart wrote:
tom.davie:
On 20 Mar 2009, at 18:08, Don Stewart wrote:
tom.davie:
Other than chose the graphics card carefully, an iMac will do you
very well.
Hope that helps.
This is very useful.
Could the Mac users add information (and screenshots?) to
tom.davie:
On 20 Mar 2009, at 18:46, Don Stewart wrote:
tom.davie:
On 20 Mar 2009, at 18:08, Don Stewart wrote:
tom.davie:
Other than chose the graphics card carefully, an iMac will do you
very well.
Hope that helps.
This is very useful.
Could the Mac users add information (and
Don Stewart wrote:
Yes, anything that is relevant to the development experience on this
platform. Remember: it is more than just getting ghc. How do they get
hold of new libraries and apps? Is cabal-install available?
Since GHC is written in Haskell, do you need to have another Haskell
martijn:
Don Stewart wrote:
Yes, anything that is relevant to the development experience on this
platform. Remember: it is more than just getting ghc. How do they get
hold of new libraries and apps? Is cabal-install available?
Since GHC is written in Haskell, do you need to have another
No, you don't.
On 20 Mar 2009, at 21:03, Martijn van Steenbergen wrote:
Don Stewart wrote:
Yes, anything that is relevant to the development experience on this
platform. Remember: it is more than just getting ghc. How do they get
hold of new libraries and apps? Is cabal-install available?
Don Stewart wrote:
martijn:
Don Stewart wrote:
Yes, anything that is relevant to the development experience on this
platform. Remember: it is more than just getting ghc. How do they get
hold of new libraries and apps? Is cabal-install available?
Since GHC is written in Haskell, do you need to
Yes, anything that is relevant to the development experience on this
platform. Remember: it is more than just getting ghc. How do they get
hold of new libraries and apps? Is cabal-install available?
I would be wondering about OS-specific functionality. For example,
it might be worth
Haskell on Mac OS X has been mostly painless for me. I have a PowerPC
mac which means there are rarely binaries for me to download from
haskell.org. I've either used MacPorts or compiled the GHC from source,
both have worked well. I prefer the latter, but you'll probably want
MacPorts anyway for
2009/03/20 Mark Spezzano mark.spezz...@chariot.net.au:
Question: Does the iMac have good support for Haskell
development?
Yes. I generally use the Mac binary of GHC and then install C
libs with MacPorts.
Question: What environment setups do people commonly use (e.g.
Eclipse Xcode etc)?
While there is not a .dmg for Gtk2Hs, you can use a .dmg installed GHC
with a .dmg installed Gtk, and then build gtk2hs straight on top of
that, without having to deal with the dual-GHC macports mess..
http://www.haskell.org/haskellwiki/Gtk2hs#Using_the_GTK.2B_OS_X_Framework
-Ross
On Mar
Hi folks,
We have good news (nevertheless we hope) for all the lazy guys standing there.
Since their birth, lazy IOs have been a great way to modularly leverage all the
good things we have with *pure*, *lazy*, *Haskell* functions to the real world
of files.
We are happy to present the
Hi Jon,
I agree with much of your rant, and would agree that the logo is
probably the least interesting about haskell, but I think that it's
worth spending a little time to spiffy up haskell's image from a
marketing perspective. Although I downplayed much of my design
decisions by
Didn't Haskell have a syntax king? I vote for a logo king: let Don
Steward decide which logo is best. --A
___
Haskell-Cafe mailing list
Haskell-Cafe@haskell.org
http://www.haskell.org/mailman/listinfo/haskell-cafe
That one doesn't work with OpenGL, however and won't in the forseeable
future.Incidentally, just now doing a ports install gtk2hs gives
me the following error on my brand new MacBook:
$ sudo port install gtk2hs
... stuff happens normally ... then:
opt/local/bin/ghc +RTS -RTS -c
Ah wait... I can't read. section 4.1.2 explains the macports
installation. I'll try that.
On Fri, Mar 20, 2009 at 2:56 PM, Jeff Heard jefferson.r.he...@gmail.com wrote:
That one doesn't work with OpenGL, however and won't in the forseeable
future. Incidentally, just now doing a ports
Ah, true. Sorry, my mistake -- I forgot that wasn't supported with the
framework version.
-Ross
On Mar 20, 2009, at 2:56 PM, Jeff Heard wrote:
That one doesn't work with OpenGL, however and won't in the forseeable
future.Incidentally, just now doing a ports install gtk2hs gives
me the
As this continues to build, I guess the issue for me, and I'm willing
to help with it, is trying to figure out how to redistribute programs
written with gtk2hs. on Windows, people can just install the gtk2hs
libraries via the installer -- although this does bork a little
because it assumes you
On Fri, Mar 20, 2009 at 11:06 AM, Don Stewart d...@galois.com wrote:
martijn:
Don Stewart wrote:
Yes, anything that is relevant to the development experience on this
platform. Remember: it is more than just getting ghc. How do they get
hold of new libraries and apps? Is cabal-install
I am having hard time making sense of GHC.Conc. Is there a writeup that
describes the significance of #, or the meaning of primOp and
primType?
Thanks
Daryoush
On Sun, Dec 7, 2008 at 11:48 PM, Don Stewart d...@galois.com wrote:
dmehrtash:
Any idea was the atomically# mean in the
Good to hear you're shipping graphical Haskell apps, Jefferson. Well done.
We do have tools for packaging for various distros:
* Mac OSX:
http://hackage.haskell.org/cgi-bin/hackage-scripts/package/mkbndl
* Windows
http://hackage.haskell.org/cgi-bin/hackage-scripts/package/bamse
Thanks for answers. Here is some working code if somebody plays later
with similar things.
{-# OPTIONS
-XNoImplicitPrelude
-XFunctionalDependencies
-XMultiParamTypeClasses
-XFlexibleInstances
#-}
module Test (
Integer
, Double
, fromInteger
, fromRational
, (+)
) where
This might be of some help:
http://www.haskell.org/ghc/docs/6.10.1/html/users_guide/syntax-extns.html
Daryoush Mehrtash wrote:
I am having hard time making sense of GHC.Conc. Is there a writeup
that describes the significance of #, or the meaning of primOp and
primType?
Hello all-
I'm trying to understand the categorical guts underlying zippers. In the
Haskell wikibook (and other places) I've seen zippers described roughly as
the derivatives of functors. However, I haven't been able to find any
references that develop this idea rigorously. For instance, what
dons:
Good to hear you're shipping graphical Haskell apps, Jefferson. Well done.
We do have tools for packaging for various distros:
* Mac OSX:
http://hackage.haskell.org/cgi-bin/hackage-scripts/package/mkbndl
* Windows
Wolfgang Jeltsch g9ks1...@acme.softbase.org wrote:
Is ___semi___ and adjective at all? In German, we say ___halb___ instead of
___semi___ and the semi ring becomes a Halbring.
Halbring as in halber Ring, isn't it? Synonymous with partly a
ring (which uses an adverb)... In german, you can tack
Hi Nathan,
Nathan Bloomfield wrote:
arrow? I'm interested in studying this concept in more depth, but I
can't find a definition to start with.
Any pointers to good books or papers would be greatly appreciated. :)
The wiki page already gives some pointers to papers; have those been of
any
On Fri, Mar 20, 2009 at 1:05 PM, David Leimbach leim...@gmail.com wrote:
On Fri, Mar 20, 2009 at 11:06 AM, Don Stewart d...@galois.com wrote:
martijn:
Don Stewart wrote:
Yes, anything that is relevant to the development experience on this
platform. Remember: it is more than just
Don, good to know; I hadn't checked for packaging tools outside of
cabal in Hackage :)
2009/3/20 Don Stewart d...@galois.com:
dons:
Good to hear you're shipping graphical Haskell apps, Jefferson. Well done.
We do have tools for packaging for various distros:
* Mac OSX:
Hello Jeff,
Friday, March 20, 2009, 10:22:35 PM, you wrote:
As this continues to build, I guess the issue for me, and I'm willing
to help with it, is trying to figure out how to redistribute programs
written with gtk2hs. on Windows, people can just install the gtk2hs
libraries via the
On 20 Mar 2009, at 21:05, David Leimbach wrote:
Since GHC is written in Haskell, do you need to have another Haskell
compiler installed before GHC 6.10.1 can be installed through
MacPorts?
It bootstraps itself.
??? GHC does or MacPorts does. My experience was that you needed
GHC to
bulat.ziganshin:
Hello Jeff,
Friday, March 20, 2009, 10:22:35 PM, you wrote:
As this continues to build, I guess the issue for me, and I'm willing
to help with it, is trying to figure out how to redistribute programs
written with gtk2hs. on Windows, people can just install the gtk2hs
Hello Don,
Saturday, March 21, 2009, 12:06:48 AM, you wrote:
i distribute my gtk2hs program for windows and linux. no problems, i
just included runtime libraries provided by gtk2hs team. it was with
gtk2hs 0.9.12.1 though, may be they don't provided updated archive for
newer gtk2hs versions?
bulat.ziganshin:
Hello Don,
Saturday, March 21, 2009, 12:06:48 AM, you wrote:
i distribute my gtk2hs program for windows and linux. no problems, i
just included runtime libraries provided by gtk2hs team. it was with
gtk2hs 0.9.12.1 though, may be they don't provided updated archive for
MacPort developers tweak sources into packages which can install by
themselves. So one just types
sudo port install ghc
and it does the rest. Here is info about ghc:
$ port info ghc
ghc 6.8.3, Revision 1, lang/ghc (Variants: universal, darwin_6,
darwin_7, darwin_8_powerpc, darwin_8_i386,
On 20 Mar 2009, at 22:44, Miguel Mitrofanov wrote:
Here is info about ghc:
$ port info ghc
ghc 6.8.3, Revision 1, lang/ghc (Variants: universal, darwin_6,
darwin_7, darwin_8_powerpc, darwin_8_i386, darwin_9_powerpc,
darwin_9_i386, no_opengl)
http://haskell.org/
A bit out of date:
Martijn van Steenbergen wrote:
Nathan Bloomfield wrote:
arrow? I'm interested in studying this concept in more depth, but I can't
find a definition to start with.
Any pointers to good books or papers would be greatly appreciated. :)
The wiki page already gives some pointers to papers;
Don Stewart d...@galois.com wrote:
bulat.ziganshin:
http://freearc.org
btw, it have 35.000 downloads ATM
Awesome, and congratulations!
I wonder: have you thought about adding a cabal file, so we can
package it automatically for all the Linux distros? Then you'd have
access to
On 20 Mar 2009, at 22:44, Miguel Mitrofanov wrote:
A bit out of date:
MigMit:~ MigMit$ port info ghc
ghc @6.10.1, Revision 8 (lang, haskell)
...blah-blah...
Maybe, your $(port version) is still 1.600?
Yes, now it worked:
$ port version
Version: 1.700
$ port info ghc
ghc @6.10.1, Revision 9
On Fri, Mar 20, 2009 at 07:42:28PM +0100, Nicolas Pouillard wrote:
We have good news (nevertheless we hope) for all the lazy guys standing there.
Since their birth, lazy IOs have been a great way to modularly leverage all
the
good things we have with *pure*, *lazy*, *Haskell* functions to the
That's a horrible definition of fromRational. Use
fromRational = P.fromRational.
On Fri, Mar 20, 2009 at 9:09 PM, Lauri Oksanen lasso...@gmail.com wrote:
Thanks for answers. Here is some working code if somebody plays later
with similar things.
{-# OPTIONS
-XNoImplicitPrelude
It would be great to have a video of this in action up on youtube.
You can simply 'recordmydesktop' on linux (and likely elsewhere), then
upload the result.
I'm curious: how would a non-interactive animation running in Flash
in a browser be better than an interactive animation running in Java
On Friday 20 March 2009 5:23:37 am Ryan Ingram wrote:
On Fri, Mar 20, 2009 at 1:01 AM, Dan Doel dan.d...@gmail.com wrote:
However, to answer Luke's wonder, I don't think fixAbove always finds
fixed points, even when its preconditions are met. Consider:
f [] = []
f (x:xs) = x:x:xs
On 2009 Mar 20, at 17:02, Hans Aberg wrote:
Therefore, as mentioned before, it might be best to install the GHC
binaries and install libraries like Gtk+ from MacPorts. There is
also Intel Gtk+ that binds directly to Aqua, the
This won;t work as you expect: since there's a dependency on
Yitzchak Gale ha scritto:
Hi Manlio,
Manlio Perillo wrote:
For my Netflix Prize project I have implemented two reusable modules.
The first module implements a random shuffle on immutable lists...
The second module implements a function used to partition a list into n
sublists of random length.
Günther Schmidt wrote:
the point I wanted to stress though is that the stack overflow does
actually not occur doing the recursive algorithm, just a build-up of
thunks.
The algorithm itself will eventually complete without the stack overflow.
The problem occurs when the result value is
I just found out about GHood through this thread, and since it
impressed me very much to see something so cool, I feel bad making
this comment... but I am always disturbed by the flickering effect
produced by java applets in my browser (FF 3.0) while scrolling. From
an implementation
Anton Tayanovskyy wrote:
Didn't Haskell have a syntax king? I vote for a logo king: let Don
Steward decide which logo is best. --A
I propose to use concordet voting to appoint a new king from the 100
aspiring candidates ... ;)
Regards,
apfelmus
--
http://apfelmus.nfshost.com
True. Thanks.
- Lauri
On Sat, Mar 21, 2009 at 1:05 AM, Lennart Augustsson
lenn...@augustsson.net wrote:
That's a horrible definition of fromRational. Use
fromRational = P.fromRational.
On Fri, Mar 20, 2009 at 9:09 PM, Lauri Oksanen lasso...@gmail.com wrote:
Thanks for answers. Here is some
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