#2992: GHCi Memory Leak in Windows Vista
-+--
Reporter: Andir| Owner:
Type: bug | Status: new
Priority: normal | Milestone:
Component: GHCi |Version:
#2993: Precedence errors are reported for undefined operators
-+--
Reporter: Olathe| Owner:
Type: feature request | Status: new
Priority: normal
#2994: give better error messages for instance declarations with the wrong
number
of parameters
-+--
Reporter: rwbarton | Owner:
Type: feature request | Status: new
#2993: Precedence errors are reported for undefined operators
--+-
Reporter: Olathe| Owner:
Type: feature request | Status: new
Priority: normal
#2819: Bad example code in documentation of Control.Exception.catch
-+--
Reporter: mafo |Owner:
Type: bug | Status: closed
Priority:
#2986: :info printing instances often isn't wanted
-+--
Reporter: Remi |Owner:
Type: feature request | Status: new
Priority: normal|
#2655: Control.Exception's Haddock document drop instruction about Extensible
Exceptions
-+--
Reporter: shelarcy |Owner: igloo
Type: bug | Status: closed
#2692: ghc-6.10.0.20081007 seg faults on Sparc
-+--
Reporter: maeder|Owner: benl
Type: bug | Status: assigned
Priority: normal|Milestone: 6.10.2
Component:
#2960: Add instance Data.Traversable for Data.IntMap
--+-
Reporter: Deewiant |Owner:
Type: proposal | Status: closed
Priority: normal
I'm trying to upgrade GHC to 6.10.1 using macports on a PowerBook G4
running OS X 10.5.5. From what I can tell, I'm getting a segmentation
fault from cabal-bin.
This is possibly related to http://trac.macports.org/ticket/15142
and http://hackage.haskell.org/trac/ghc/ticket/2380.
cd
---
Haskell Weekly News
http://sequence.complete.org/hwn/20090131
Issue 103 - January 31, 2009
---
Welcome to issue 103 of HWN, a newsletter covering
I'm pleased to announce the Jane Street Summer Project for 2009. The goal
of the JSSP is to make functional programming languages into better
practical tools for programming in the real world. To do that, we will
fund students over the summer to work on open-source projects which aim at
I noticed recently that HOC has moved over to google code, and seems a
little more active than it was before. Is there a mailing list where
I can talk to other users and get myself kick started, or is it a
case of just using the standard Haskell ones?
Bob
I am very pleased to announce the 0.2 release of the diagrams package,
an embedded domain-specific language for creating simple graphics in a
compositional style. This release includes a number of significant
new features, including:
* support for arbitrary straight and curved paths
* more
Conal Elliott co...@conal.net wrote:
In the process, I realized more clearly that the *very goal* of
making a purely functional wrapper around an imperative library leads
to muddled thinking. It's easy to hide the IO without really
eliminating it from the semantics, especially if the goal is
1) yes, but that's sumAA's fault, not the data structure; sumAA isn't
tail recursive so it has to build a much bigger stack:
x + (y + (z + (...)))
whereas it could run in constant space if it did this instead:
(...((x + y) + z) + ...)
Usually this transformation is done by passing an
That code is in ghc root/rts/STM.c
-- ryan
2009/1/30 Daryoush Mehrtash dmehrt...@gmail.com:
I like to look at the code where the runtime detects a TVar, inside an
atomic block, has been changed by another thread and hence it aborts the
atomic operation. Any suggestion as to where I would
When I said Cairo felt rather slow, I was comparing it again fully hardware
accelerated solutions.
With Cairo I am unable to perform full smooth screen redraws of even just a
single solid rectangle, and when you are making ZUI (zoomable user
interfaces), full screen redraws are not uncommon.
Hi,
Are there plans to include C99 'complex' type
in Foreign, maybe as CFloatComplex, CDoubleComplex
and CLongDoubleComplex? This seems an easy addition
to the standard and would allow binding of a few
interesting libraries, like GSL.
Best,
Maurício
Hi Conal,
Do you have any links to this interesting work of Jefferson Heard? Blogs or
something? I failed to Google it, I mainly found his OpenGL TrueType
bindings on Hackage and his beautiful
http://bluheron.europa.renci.org/docs/BeautifulCode.pdf
Regarding semantics, modern GPUs are able to
On Sat, Jan 31, 2009 at 04:01, John Goerzen jgoer...@complete.org wrote:
On Sat, Jan 31, 2009 at 01:51:54AM +0100, Krzysztof Skrz??tnicki wrote:
The following change in .cabal file may solve the problems:---
flag base4
description: Choose base-4 if possible
default: True
library
---
Haskell Weekly News
http://sequence.complete.org/hwn/20090131
Issue 103 - January 31, 2009
---
Welcome to issue 103 of HWN, a newsletter covering
Niklas Broberg wrote:
Thanks for the hint for folks.
Why would cabal-install select a different base than running Setup
manually?
Someone thought it was a good idea to make base-3 the preferred
selection for cabal-install, to make the transition from base-3 to
base-4 as smooth as
Hi,
in this piece here http://moonpatio.com/fastcgi/hpaste.fcgi/view?id=1083#a1083
I'm trying to create a button that, every time when clicked, increases
a counter by one and does a putStrLn of the counters current value.
I'm trying to write this without any use of IORef but merely using the
Hi,
I think I've finally figured out what a monad is, but there's one
thing I haven't seen addressed in category theory stuff I've found
online. That is the relation between type constructors and data
constructors.
As I understand it, a type constructor Tcon a is basically the object
component
Thank you John,
it worked like a charm :)
-- Valentyn.
On Jan 31, 2009, at 7:30 AM, John Goerzen wrote:
Niklas Broberg wrote:
Thanks for the hint for folks.
Why would cabal-install select a different base than running Setup
manually?
Someone thought it was a good idea to make base-3 the
I am trying to install Takusen 0.8.3 with ghc 6.10.1 on Ubuntu 8.04
(same issue on Win XP as well). I get the following complaint from
cabal.
Module
`Distribution.PackageDescription'
does not export
`writeHookedBuildInfo'
cabal: Error: some packages failed to install:
Takusen-0.8.3
Hi Praki,
it just so happens that I also most recently had the same problem.
Bottom line from the maintainers is that we have to be patient until they
are ready for the next release.
Günther
Am 31.01.2009, 19:25 Uhr, schrieb Praki Prakash praki.prak...@gmail.com:
I am trying to install
You might be misunderstanding the purpose of the State Int monad somewhat.
A computation of type State Int a is internally represented by a
function of type Int - (Int, a). When you call runState, you
effectively apply this pure function to an initial state, and get a
final state and result. You
You can view a polymorphic unary type constructor of type :: a - T
as a polymorphic function.
In general, polymorphic functions correspond roughly to natural
transformations (in this case from the identity functor to T).
--Ben
On 31 Jan 2009, at 17:00, Gregg Reynolds wrote:
Hi,
I think
Hi Cale,
thanks for the explanation. From my futile attempts I *almost* gathered as
much.
I guess I was getting confused with documentation saying things like
MonadState
put replaces the state inside the monad.
that this would refer to some sort of update-in-place.
So bottom-line then
Note that, for wxHaskell, you should use Var instead of IORef, to be
future proof.
Regards,
Henk-Jan van Tuyl
--
http://functor.bamikanarie.com
http://Van.Tuyl.eu/
--
On Sat, 31 Jan 2009 19:38:41 +0100, Cale Gibbard cgibb...@gmail.com
wrote:
You might be misunderstanding the purpose
When I said Cairo felt rather slow, I was comparing it again fully hardware
accelerated solutions.
..
IMO the future is fully hardware accelerated rendering on the GPU, like OpenVG.
It will take a while before it is common to see glyphs being rendered on the
GPU, but I'm sure this is all doable.
On Sat, 2009-01-31 at 13:18 +0100, Peter Verswyvelen wrote:
When I said Cairo felt rather slow, I was comparing it again fully
hardware accelerated solutions.
With Cairo I am unable to perform full smooth screen redraws of even
just a single solid rectangle, and when you are making ZUI
I'm trying to write a simple program that involves UDP. I was hoping
something like this would work:
module Main where
import Network.Socket
main = withSocketsDo main2
main2 = do
s - socket AF_INET Datagram defaultProtocol
putStrLn Waiting...
x - recv s 100
putStrLn x
Unfortunately,
In celebration of Hackage reachin over 1,000 unique packages, I decided
that I would re-visit the problem of attempting to build them on Windows.
I began by removing all existing Haskellness from my PC. I now have a
vanilla Windows XP (32-bit) system with Service Pack 3. So, let's see
what we
praki.prakash:
I am trying to install Takusen 0.8.3 with ghc 6.10.1 on Ubuntu 8.04
(same issue on Win XP as well). I get the following complaint from
cabal.
Module
`Distribution.PackageDescription'
does not export
`writeHookedBuildInfo'
cabal: Error: some packages failed to
andrewcoppin:
In celebration of Hackage reachin over 1,000 unique packages, I decided
that I would re-visit the problem of attempting to build them on Windows.
Ah yes, I already have the tarball for stream-fusion-0.1.1, but I see
that the latest release is 0.1.2.1. (Unfortunately, there
On Sat, Jan 31, 2009 at 1:02 PM, Ben Moseley ben_mose...@mac.com wrote:
You can view a polymorphic unary type constructor of type :: a - T as a
polymorphic function.
Shouldn't that be * :: a - T a ?
In general, polymorphic functions correspond roughly to natural
transformations (in this
On Sat, Jan 31, 2009 at 12:00 PM, Gregg Reynolds d...@mobileink.com wrote:
I think I've finally figured out what a monad is, but there's one
thing I haven't seen addressed in category theory stuff I've found
online. That is the relation between type constructors and data
constructors.
What
Andrew Coppin wrote:
I'm trying to write a simple program that involves UDP. I was hoping
something like this would work:
[...]
How about using bindSocket? At least that's the main difference between
your code snippet and our (UDP-using) barracuda project :)
main2 = do
s - socket
The network library is no more than an FFI library to a Berkeley
socket interface and as such it implicitly expects you to know sockets
already (eg. from programming in C). One advantage here is reading
man pages actually helps (unlike with most Haskell coding) and you can
also make equivalent C
the true way to install all of hackage is:
cabal install $(all my packages)
where cabal install solves it all.
not really :) e.g. my output on a Windows Vista system with GHC 6.10.1
cabal install sdl
Resolving dependencies...
Downloading SDL-0.5.4...
[1 of 1] Compiling Main
bugfact:
the true way to install all of hackage is:
cabal install $(all my packages)
where cabal install solves it all.
not really :) e.g. my output on a Windows Vista system with GHC 6.10.1
cabal install sdl
Resolving dependencies...
Downloading
Try something like this:
module Main where
import Network.Socket
main = withSocketsDo $ do
-- Make a UDP socket
s - socket AF_INET Datagram defaultProtocol
-- We want to listen on all interfaces (0.0.0.0)
bindAddr - inet_addr 0.0.0.0
-- Bind to 0.0.0.0:3
bindSocket
I should have mentioned that my tests have been done only on Windows and
OSX.
I guess I would have to try on a system that supports XRender to compare.
Unfortunately, the target audience of our application are mostly windows and
OSX users, so although it would be great that Cairo performs fast on
Thomas DuBuisson wrote:
The network library is no more than an FFI library to a Berkeley
socket interface and as such it implicitly expects you to know sockets
already (eg. from programming in C). One advantage here is reading
man pages actually helps (unlike with most Haskell coding) and you
Hi,
Is there a good book on some of the more advanced or esoteric Haskell
topics, like monads, and morphisms, category theory etc.
Cheers,
Mark
No virus found in this outgoing message.
Checked by AVG.
Version: 7.5.552 / Virus Database: 270.10.12/1910 - Release Date: 22/01/2009
Gregg Reynolds wrote:
Hi,
I think I've finally figured out what a monad is, but there's one
thing I haven't seen addressed in category theory stuff I've found
online. That is the relation between type constructors and data
constructors.
As I understand it, a type constructor Tcon a is
I am very pleased to announce the 0.2 release of the diagrams package,
an embedded domain-specific language for creating simple graphics in a
compositional style. This release includes a number of significant
new features, including:
* support for arbitrary straight and curved paths
* more
On Sat, 2009-01-31 at 11:00 -0600, Gregg Reynolds wrote:
Hi,
I think I've finally figured out what a monad is, but there's one
thing I haven't seen addressed in category theory stuff I've found
online. That is the relation between type constructors and data
constructors.
The typical
this is the error message i get:
ezekiel-smithburgs-macbook-pro-15% runhaskell Setup.* build
Preprocessing library testpack-1.0.0...
Building testpack-1.0.0...
[1 of 3] Compiling Test.QuickCheck.Instances (
src/Test/QuickCheck/Instances.hs, dist/build/Test/QuickCheck/Instances.o )
[2 of 3]
Don,
Thanks for the hint. I removed Setup.hs and tried cabal build. I
get an error that build type is custom and Setup.lhs is missing. What
is the magical incantation needed to do the default build?
Thanks
Praki
On Sat, Jan 31, 2009 at 12:30 PM, Don Stewart d...@galois.com wrote:
build-type: Simple
praki.prakash:
Don,
Thanks for the hint. I removed Setup.hs and tried cabal build. I
get an error that build type is custom and Setup.lhs is missing. What
is the magical incantation needed to do the default build?
Thanks
Praki
On Sat, Jan 31, 2009 at 12:30 PM, Don
This error is due to usage of old base package in version 3.In .cabal file
add dependency on base-4, in form base = 4.
All best
Christopher Skrzętnicki
2009/2/1 Ezekiel Smithburg tehgeekmeis...@gmail.com
this is the error message i get:
ezekiel-smithburgs-macbook-pro-15% runhaskell Setup.*
Brent Yorgey wrote:
I am very pleased to announce the 0.2 release of the diagrams package,
an embedded domain-specific language for creating simple graphics in a
compositional style. This release includes a number of significant
new features, including:
* support for arbitrary straight and
oops, forgot to reply to all. haven't used a mailing list in a while. =P
this did not solve my problem. also, dons suggested using runhaskell
Setup.hs --constraint='base4', which worked for him apparently. neither
suggestion has changed my error message at all, and I've cleaned and
On Sat, Jan 31, 2009 at 06:23:29PM -0500, Braden Shepherdson wrote:
Brent Yorgey wrote:
I am very pleased to announce the 0.2 release of the diagrams package,
Would this make a handy plugin for gitit? I'm currently putting diagrams
together in xfig and saving them to my gitit tree while
On Sat, Jan 31, 2009 at 9:36 PM, Andrew Coppin
andrewcop...@btinternet.com wrote:
Thomas DuBuisson wrote:
The network library is no more than an FFI library to a Berkeley
socket interface and as such it implicitly expects you to know sockets
already (eg. from programming in C). One advantage
I should have mentioned that my tests have been done only on Windows and
OSX.
I guess I would have to try on a system that supports XRender to compare.
Unfortunately, the target audience of our application are mostly windows and
OSX users, so although it would be great that Cairo performs fast
solution to that problem:
deleted the lines from If flag(splitBase) on and changed base in
Build-Depends to base = 4.
now i have a new problem, however:
ezekiel-smithburgs-macbook-pro-15% runhaskell Setup.hs build
Preprocessing library testpack-1.0.0...
Building testpack-1.0.0...
Peter Verswyvelen bugf...@gmail.com wrote:
I should have mentioned that my tests have been done only on Windows
and OSX.
I guess I would have to try on a system that supports XRender to
compare.
Unfortunately, the target audience of our application are mostly
windows and OSX users, so
--
From: Don Stewart d...@galois.com
Sent: Saturday, January 31, 2009 8:35 PM
To: Andrew Coppin andrewcop...@btinternet.com
Cc: haskell-cafe@haskell.org
Subject: Re: [Haskell-cafe] 1,000 packages, so let's build a few!
andrewcoppin:
In
Claus Reinke claus.rei...@talk21.com wrote:
though software fallbacks for missing hardware
support would seem essential
You mean having widget renderers that don't use any of those frills,
don't you? Don't underestimate the breath of the target audience that
wants to run things on their
sebastian.sylvan:
--
From: Don Stewart d...@galois.com
Sent: Saturday, January 31, 2009 8:35 PM
To: Andrew Coppin andrewcop...@btinternet.com
Cc: haskell-cafe@haskell.org
Subject: Re: [Haskell-cafe] 1,000 packages, so let's build a few!
Cool.
But the folks in the GTK2HS mailing list told me Glitz never really took of :-(
I hope they are wrong :)
On Sun, Feb 1, 2009 at 12:58 AM, Claus Reinke claus.rei...@talk21.com wrote:
I should have mentioned that my tests have been done only on Windows and
OSX.
I guess I would have to
Following the advice on the hslogger wiki
(http://software.complete.org/software/wiki/hslogger)
I'm posting my thoughts about hslogger here:
What is wired?
This piece of code (src/System/Log/Logger.hs):
parentHandlers name =
let pname = (head . drop 1 . reverse .
2009/2/1 Ezekiel Smithburg tehgeekmeis...@gmail.com
solution to that problem:
deleted the lines from If flag(splitBase) on and changed base in
Build-Depends to base = 4.
Well, this is exactly what I suggested in the first place:
This error is due to usage of old base package in version 3.
oddly, when i do that, i'm back to the original error message. and sorry, i
didn't understand what you meant, apparently.
On Sat, Jan 31, 2009 at 7:41 PM, Krzysztof Skrzętnicki gte...@gmail.comwrote:
2009/2/1 Ezekiel Smithburg tehgeekmeis...@gmail.com
solution to that problem:
deleted the
testpack builds fine for me. In the original .cabal file there are following
lines:
If flag(splitBase)
Build-Depends: base = 3, containers, random
Else
Build-Depends: base 3
Now that I think about it you didn't actually said what is your GHC version.
Knowing that you can replace lines
Trying to follow Ezekiel's steps I bumped into this:
D:\biblioteki\testpack-1.0.0cabal configure
Configuring testpack-1.0.0...
D:\biblioteki\testpack-1.0.0cabal build
Preprocessing library testpack-1.0.0...
Building testpack-1.0.0...
[1 of 3] Compiling Test.QuickCheck.Instances (
On Sat, Jan 31, 2009 at 6:45 PM, Brent Yorgey byor...@seas.upenn.edu wrote:
On Sat, Jan 31, 2009 at 06:23:29PM -0500, Braden Shepherdson wrote:
Brent Yorgey wrote:
I am very pleased to announce the 0.2 release of the diagrams package,
Would this make a handy plugin for gitit? I'm currently
tried that version, it gets rid of that error message but now i have this
one:
ezekiel-smithburgs-macbook-pro-15% cabal --flag=split-base configure -p
Configuring testpack-1.0.0...
ezekiel-smithburgs-macbook-pro-15% cabal build
Preprocessing library testpack-1.0.0...
Building testpack-1.0.0...
[1
Brent Yorgey schrieb:
I am very pleased to announce the 0.2 release of the diagrams package,
an embedded domain-specific language for creating simple graphics in a
compositional style. This release includes a number of significant
new features, including:
* support for arbitrary straight
You need to reinstall random package with profiling libraries enabled. This
is simple:
cabal install random --reinstall --enable-library-profiling
I think all libraries that ships with GHC should have profiling libraries
build too, but for some reason it is not so.
All best
Christopher
that solved my problem entirely. i had attempted to reinstall using
profiling, but not using --reinstall, and hence it didn't work right.
thanks for the help!
On Sat, Jan 31, 2009 at 8:37 PM, Krzysztof Skrzętnicki gte...@gmail.comwrote:
You need to reinstall random package with profiling
Hi folks,
I'm getting ready to release a piece of software. Unfortunately due to a bug
in GHC 6.10 on Windows it does not handle Ctrl+C properly. Since the bug has
been fixed (thank you Simon Marlow), I figured I'd download a 6.11 build (I
grabbed the 2009-01-29 version).
Unfortunately, my
On Sun, Feb 01, 2009 at 03:43:35AM +0100, Henning Thielemann wrote:
Brent Yorgey schrieb:
I am very pleased to announce the 0.2 release of the diagrams package,
an embedded domain-specific language for creating simple graphics in a
compositional style. This release includes a number of
Ezekiel Smithburg wrote:
this is the error message i get:
Hi everyone,
Thanks for the report. I just realized that I inadvertantly released
testpack-1.0.0 without my GIT patch[1] that fixed GHC 6.10
compatibility. testpack 1.0.2 is out there now with that fix.
Sorry for the inconvenience.
2009/1/31 Lyle Kopnicky li...@qseep.net:
Hi folks,
I'm getting ready to release a piece of software. Unfortunately due to a bug
in GHC 6.10 on Windows it does not handle Ctrl+C properly. Since the bug has
been fixed (thank you Simon Marlow), I figured I'd download a 6.11 build (I
grabbed the
+++ Braden Shepherdson [Jan 31 09 18:23 ]:
Brent Yorgey wrote:
I am very pleased to announce the 0.2 release of the diagrams package,
an embedded domain-specific language for creating simple graphics in a
compositional style. This release includes a number of significant
new features,
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