#3307: System.IO and System.Directory functions not Unicode-aware under Unix
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Reporter: YitzGale | Owner:
Type: bug| Status: new
Priority:
#3297: Compiler panic on incorrect code (TcTyFuns.flattenType: synonym family
in a
rank-n type)
-+--
Reporter: hesselink| Owner: chak
Type: bug | Status: new
#3313: Uncertain bug report (panic!)
--+-
Reporter: semanticprecision | Owner:
Type: bug| Status: new
Priority: normal | Component: Compiler
Version:
#3313: Uncertain bug report (panic!)
---+
Reporter: semanticprecision | Owner:
Type: bug| Status: new
Priority: normal | Milestone:
Component:
#3313: Uncertain bug report (panic!)
---+
Reporter: semanticprecision | Owner:
Type: bug| Status: new
Priority: normal | Milestone:
Component:
On Wed, Jun 17, 2009 at 10:24:48AM +0100, Duncan Coutts wrote:
Deprecating PatternSignatures seems uncontroversial, but the
NoMonoPatBinds is potentially controversial. GHC essentially uses
-XMonoPatBinds by default, even in H98 mode, and the user can use
-XNoMonoPatBinds to restore H98
Hi Uwe,
Sorry for the slow response.
On Sun, Jun 07, 2009 at 03:04:44PM -0700, Uwe Hollerbach wrote:
Hi, all, is it expected that a snapshot version (I'm using 2009.06.05)
should be able to build the released version 6.10.3?
No: In order to compile the 6.10.3 release you need to use a
The University of Kansas is pleased to call for participation in the 12th
Annual ICFP Programming Contest, hosted by the Computer Systems Design
Laboratory at the Information and Telecommunication Technology Center.
http://icfpcontest.org/
The contest, associated with the International
On Thu, Jun 18, 2009 at 06:03:03PM +0200, Wolfgang Jeltsch wrote:
Am Mittwoch, 17. Juni 2009 11:05 schrieb Malcolm Wallace:
The problem with a top-level namespace like FRP is that it is a cryptic
acronym: it means nothing to a novice, and may be easily confused with
other acronyms by an
Hi all,
Another day, another release candidate. Please see
haskell-src-exts-0.5.5, 1.0.0 rc3. Thanks a lot to all reports, and
please keep up the good work!
Here we go again. Please have a look at haskell-src-exts-0.5.6, or
1.0.0 rc4. Thanks again for the reports, they're all truly
Hi Neil, Hi Daniel.
Thank you for your help, using parsec 3.0.0 and liftIO was the solution.
After installing new parsec I have had to use
import Text.Parsec
... instead of ...
import Text.ParserCombinators.Parsec
... to get it work.
It seems Text.ParserCombinators.Parsec refers to old Parsec 2
Am Donnerstag, 18. Juni 2009 16:21 schrieb Henning Thielemann:
Ryan Trinkle schrieb:
Hi all,
I'm interested in starting a mailing list on haskell.org
http://haskell.org. Who should I talk to about such things?
Is it a mailing list related to a project? Then you may request a
project
Marciej,
I went the HDBC route and got the same problem. Although it does not seem to
be officially blessed, try installing the time-1.1.3 package. It's working
for me at least, which I know is a dubious recommendation.What worked for me :
1) Install GHC 6.10.3 from the binary tarball
2)
Maciej Podgurski schrieb:
So I switched to HDBC-2.1.1 and got the next compile error:
Building convertible-1.0.5...
Data/Convertible/Instances/Num.hs:671:0:
warning: no newline at end of file
[...]
[5 of 8] Compiling Data.Convertible.Instances.C (
Data/Convertible/Instances/C.hs,
Hi Max,
I don't have anything in a public repository at this time. I have been
exploring a series of designs in this space trying to see if any could be
applied to a system like GHC's bytecode interpreter, but up to now I've been
working mostly with cooperatively jitting x86-64 assembly to x86-64
Hello,
I would like to write bindings from Haskell to Java. Is this
possible? If so, where are examples?
Vasili
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I changed it, some other problem occured.
1. How to compare a BoolT column to a True? t!c .. True could not work.
2. What shoud I use after !? Like table!col, recordset!col, what is col?
Thanks.
On Fri, Jun 19, 2009 at 1:24 PM, Magicloud
Magicloudsmagicloud.magiclo...@gmail.com wrote:
Hi,
I am
2009/6/18 Deniz Dogan deniz.a.m.do...@gmail.com:
Hi
I couldn't come up with a better subject than this one, so anyways...
I have a small program which spawns a subprocess. However, when I hit
C-c, the subprocess won't die, instead it will just keep running until
it's done or until I kill
Cum, 2009-06-19 tarihinde 11:58 +0200 saatinde, Deniz Dogan yazdı:
2009/6/18 Deniz Dogan deniz.a.m.do...@gmail.com:
Hi
I couldn't come up with a better subject than this one, so anyways...
I have a small program which spawns a subprocess. However, when I hit
C-c, the subprocess won't
2009/6/19 Aycan iRiCAN aycan.iri...@core.gen.tr:
Cum, 2009-06-19 tarihinde 11:58 +0200 saatinde, Deniz Dogan yazdı:
2009/6/18 Deniz Dogan deniz.a.m.do...@gmail.com:
Hi
I couldn't come up with a better subject than this one, so anyways...
I have a small program which spawns a
Cum, 2009-06-19 tarihinde 12:42 +0200 saatinde, Deniz Dogan yazdı:
2009/6/19 Aycan iRiCAN aycan.iri...@core.gen.tr:
Cum, 2009-06-19 tarihinde 11:58 +0200 saatinde, Deniz Dogan yazdı:
2009/6/18 Deniz Dogan deniz.a.m.do...@gmail.com:
Hi
I couldn't come up with a better subject than
2009/6/19 Aycan iRiCAN aycan.iri...@core.gen.tr:
Cum, 2009-06-19 tarihinde 12:42 +0200 saatinde, Deniz Dogan yazdı:
2009/6/19 Aycan iRiCAN aycan.iri...@core.gen.tr:
Cum, 2009-06-19 tarihinde 11:58 +0200 saatinde, Deniz Dogan yazdı:
2009/6/18 Deniz Dogan deniz.a.m.do...@gmail.com:
Hi
Hi Magicloud,
restrict (t!T.done .. constant False) should dot it
but your t!T.done confuses me, is the the T.xxx due to an import?
also the line 49 does not seem to be right. Would you mind to post your
table and column definitions?
Günther
Magicloud Magiclouds schrieb:
I changed it,
The same with me - I'm on XP, and HDBC-odbc is the library I got running
to access the MySQL database.
Regards,
Daniel
Michael Snoyman schrieb:
Marciej,
I went the HDBC route and got the same problem. Although it does not
seem to be officially blessed, try installing the time-1.1.3 package.
Hi,
May be it's a frequently asked question, but I have been unable to find
my way in the parsec-3.0.0 library when trying to write a small parser
with Parsec that could work with ByteStrings. I mean, there is the
Text.Parsec.ByteString module which allows to parse a file using
ByteStrings,
Cum, 2009-06-19 tarihinde 13:09 +0200 saatinde, Deniz Dogan yazdı:
2009/6/19 Aycan iRiCAN aycan.iri...@core.gen.tr:
Cum, 2009-06-19 tarihinde 12:42 +0200 saatinde, Deniz Dogan yazdı:
2009/6/19 Aycan iRiCAN aycan.iri...@core.gen.tr:
Cum, 2009-06-19 tarihinde 11:58 +0200 saatinde,
2009/6/19 Aycan iRiCAN aycan.iri...@core.gen.tr:
Cum, 2009-06-19 tarihinde 13:09 +0200 saatinde, Deniz Dogan yazdı:
2009/6/19 Aycan iRiCAN aycan.iri...@core.gen.tr:
Cum, 2009-06-19 tarihinde 12:42 +0200 saatinde, Deniz Dogan yazdı:
2009/6/19 Aycan iRiCAN aycan.iri...@core.gen.tr:
L.S.,
I am trying to run a program in GHCi, but I get a meesage that an object
file is loaded twice; it appears that two different versions of package
process are loaded, see the session text below. How can I solve this?
GHCi, version 6.10.1: http://www.haskell.org/ghc/ :? for help
Am Freitag 19 Juni 2009 16:06:50 schrieb Henk-Jan van Tuyl:
L.S.,
I am trying to run a program in GHCi, but I get a meesage that an object
file is loaded twice; it appears that two different versions of package
process are loaded, see the session text below. How can I solve this?
On Jun 18, 2009, at 9:57 AM, Sjoerd Visscher wrote:
This is my first package on Hackage, so any comments are welcome!
It is not only pleasingly elegant but also quite useful:
Your Monad and MonadPlus instances lead me to an interesting
observation. Various strategies for non-deterministic
On Jun 19, 2009, at 3:35 PM, Sjoerd Visscher wrote:
transform t l = FM $ \f - unFM l (t f)
Unfortunately I couldn't get this code to type-check, so the library
doesn't use transform.
With some help from Martijn van Steenbergen the type turned out to be:
transform :: (forall b. Monoid b
vigalchin:
Hello,
Haskell packages on Hackage can be hosted anywhere, yes?
If a Haskell package is hosted on Hackage, how often is it backed up?
Nightly.
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jsnow:
I'm having some trouble with excessive memory use in a program that uses
a lot of IORefs. I was able to write a much simpler program which
exhibits the same sort of behavior. It appears that modifyIORef and
writeIORef leak memory; perhaps they keep a reference to the old
Don Stewart schrieb:
It is not possible to write a modifyIORef that *doesn't* leak memory!
Why? Or can one read about it somewhere?
Best regards,
Daniel
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dvde:
Don Stewart schrieb:
It is not possible to write a modifyIORef that *doesn't* leak memory!
Why? Or can one read about it somewhere?
Try writing a version of this program, using modifyIORef only,
such that it doesn't exhaust the heap:
import Data.IORef
import Control.Monad
It is not possible to write a modifyIORef that *doesn't* leak memory!
Why? Or can one read about it somewhere?
Possibly, Don meant that 'modifyIORef' is defined in a way that
does not allow to enforce evaluation of the result of the modification
function (a typical problem with fmap-style
On Fri, Jun 19, 2009 at 1:51 PM, Fernandquarantedeu...@yahoo.fr wrote:
but the parser one needs to write must parse ByteStrings instead of Strings
(that is, something like having a Parsec Bytestring () type, unless I'm
completely misunderstanding the situation). My problem is that I do not
Don Stewart schrieb:
dvde:
Don Stewart schrieb:
It is not possible to write a modifyIORef that *doesn't* leak memory!
Why? Or can one read about it somewhere?
Try writing a version of this program, using modifyIORef only,
such that it doesn't exhaust the heap:
dvde:
Don Stewart schrieb:
dvde:
Don Stewart schrieb:
It is not possible to write a modifyIORef that *doesn't* leak memory!
Why? Or can one read about it somewhere?
Try writing a version of this program, using modifyIORef only, such
that it doesn't exhaust the
Yes I guessed that.
Thanks,
Daniel
Claus Reinke schrieb:
It is not possible to write a modifyIORef that *doesn't* leak memory!
Why? Or can one read about it somewhere?
Possibly, Don meant that 'modifyIORef' is defined in a way that does
not allow to enforce evaluation of the result of
Maciej Podgurski wrote:
Building convertible-1.0.5...
There was unfortunately an API change in GHC 6.10.3 that could not be
worked around. Either upgrade to 6.10.3 or use an older version of
convertible.
-- John
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On Jun 19, 2009, at 5:06 PM, Sebastian Fischer wrote:
Your Monad and MonadPlus instances lead me to an interesting
observation. Various strategies for non-deterministic search can be
implemented using FMList by expressing failure and choice via a
Monoid instance.
I have just finished a
Excerpts from Henk-Jan van Tuyl's message of Fri Jun 19 09:06:50 -0500 2009:
L.S.,
I am trying to run a program in GHCi, but I get a meesage that an object
file is loaded twice; it appears that two different versions of package
process are loaded, see the session text below. How can I
Does Database.HDBC.getTables work for you? I successfully created a new
table and selected data from a database but getTables always returns an
empty list (what is not a big problem since a query show tables works
fine).
Besh wishes,
Maciej
W dniu 19.06.2009 13:50 Daniel van den Eijkel
Don Stewart wrote:
dvde:
Don Stewart schrieb:
It is not possible to write a modifyIORef that *doesn't* leak memory!
Why? Or can one read about it somewhere?
Try writing a version of this program, using modifyIORef only,
such that it doesn't exhaust the heap:
Hi Björn,
thanks for your hint, I finally made HDBC-odbc and even hsql-mysql run.
Below is a step-by-step manual how to install both packages on windows
for people having the same troubles I had. I used GHC 6.8.3.
MySQL from HDBC-odbc
1.) Install package time-1.1.2.4.
Jim Snow js...@cs.pdx.edu writes:
Works for me. The laziness of modifyIORef and workarounds would be a
good thing to have documented in the modifyIORef docs, since it's
probably a common source of memory leaks. I'd also be in favor of a
strict version of modifyIORef.
Hi all,
I am trying to install agda through cabal but I get this:
$ cabal install alex
Resolving dependencies...
[1 of 1] Compiling Main
( /tmp/alex-2.3.116333/alex-2.3.1/Setup.lhs,
/tmp/alex-2.3.116333/alex-2.3.1/dist/setup/Main.o )
/tmp/alex-2.3.116333/alex-2.3.1/Setup.lhs:6:51:
Warning:
Paulo J. Matos wrote:
As you can see, I had just finished installing alex 2.3.1, so why does
cabal still request alex =2.0.1 3?
Probably you don't have alex in your PATH.
- Jake
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On Fri, 2009-06-19 at 15:35 -0500, Jake McArthur wrote:
Paulo J. Matos wrote:
As you can see, I had just finished installing alex 2.3.1, so why does
cabal still request alex =2.0.1 3?
Probably you don't have alex in your PATH.
- Jake
Shouldn't cabal make sure the library it installs
On Fri, Jun 19, 2009 at 11:20 PM, Paulo J. Matospocma...@gmail.com wrote:
Shouldn't cabal make sure the library it installs are in PATH?
This would require modifying the path (since there may be no writable
location on the existing path). But the PATH is set by a combination
of several programs
On Fri, 2009-06-19 at 23:35 +0200, Max Rabkin wrote:
On Fri, Jun 19, 2009 at 11:20 PM, Paulo J. Matospocma...@gmail.com wrote:
Shouldn't cabal make sure the library it installs are in PATH?
This would require modifying the path (since there may be no writable
location on the existing path).
Am Freitag 19 Juni 2009 23:41:05 schrieb Paulo J. Matos:
It might be a good idea for cabal-install to warn that its bin
directory is not in your path when you install an executable.
Yep, might be an interesting idea for warning. :)
This has been discussed in connection to the question where
Hi Maciej,
Database.HDBC.getTables works fine here (XP, ghc 6.10.2, HDBC-2.1.0,
HDBC-ODBC-2.1.0.0) - it gives me the list of all tablenames, as
intended. Which HDBC version do you use?
best regards,
daniel
Maciej Podgurski schrieb:
Does Database.HDBC.getTables work for you? I successfully
Hi all,
Another day, another release candidate. Please see
haskell-src-exts-0.5.5, 1.0.0 rc3. Thanks a lot to all reports, and
please keep up the good work!
Here we go again. Please have a look at haskell-src-exts-0.5.6, or
1.0.0 rc4. Thanks again for the reports, they're all truly
Hi Daniel,
I use HDBC-2.1.1 + HDBC-odbc-2.1.0.0 with GHC 6.8.3 and MySQL Server 5.1
on XP. The hsql equivalent Database.HSQL.tables works as expected.
Best wishes,
Maciej
W dniu 20.06.2009 01:16 Daniel van den Eijkel pisze:
Hi Maciej,
Database.HDBC.getTables works fine here (XP, ghc
Hi all,
I'm just touching base with Sigbjorns hs-dotnet package.
Are there other users of this package out there who would like to share
their experience?
Günther
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I'm trying to get my mind around how to thaw and then freeze a UArray.
Theoretically, what I've written below should be a no-op, but I keep
getting typing errors that I can't figure out. GHCI 6.10.3 says:
Couldn't match expected type `UArray ix a'
against inferred type `ST s (STUArray
On Friday 19 June 2009 9:43:29 pm Scott Michel wrote:
wombat :: (IArray UArray e, Ix ix, MArray (STUArray s) e (ST s)) = e
- ix - UArray ix e - UArray ix e
wombat val idx mem = (unsafeThaw mem :: ST s (STUArray s ix e)) =
(\mmem - unsafeFreeze mmem)
Based on the error message and dealing with
Am Samstag 20 Juni 2009 03:51:08 schrieb Dan Doel:
On Friday 19 June 2009 9:43:29 pm Scott Michel wrote:
wombat :: (IArray UArray e, Ix ix, MArray (STUArray s) e (ST s)) = e
- ix - UArray ix e - UArray ix e
wombat val idx mem = (unsafeThaw mem :: ST s (STUArray s ix e)) =
(\mmem -
Oops, I replied too hastily.
What I wrote in my first mail is a problem, as witnessed by the ix and ix1
in the error message. However, it isn't the main error. The main error is that
you have a monadic expression, with type something like:
ST s (UArray ix e)
but the return type of your
Hans van Thiel wrote:
On Wed, 2009-06-17 at 21:26 -0500, Jake McArthur wrote:
Jon Strait wrote:
I'm reading the third (bind associativity) law for monads in this form:
m = (\x - k x = h) = (m = k) = h
Arguably, that law would be better stated as:
(h = k) = m = h = (k = m)
This
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