I finally got some time to answer Simon's posting:
Simon P-J:
| Between google searching and looking through the activity
| report, I take it that no one has really developed serious
| libraries for matrix manipulations, diff eqs, etc.
|
| Are there any practical reasons for this or is it just a
Strangely, Hoogle isn't easy to find at haskell.org. I'm not sure where
the best place to add a link would be: perhaps near the top of the
libraries-and-tools page? It's all wikified now, so would someone like
to add it somewhere appropriate?
Simon
| -Original Message-
| From: [EMAIL
Am Freitag, 17. Februar 2006 03:34 schrieb Sean Seefried:
Hey all,
If you're interested in an implementation of constructor classes
(type classes which can take constructors as arguments; already
implemented in Haskell) please see:
http://www.cse.unsw.edu.au/~sseefried/code.html
This
On Mon, Feb 20, 2006 at 11:47:49AM +0100, Bjorn Lisper wrote:
(a) It's hard to compete with existing libraries. The obvious thing is
not to compete; instead, just call them. But somehow that doesn't seem
to be as motivating. Perhaps some bindings exist though?
Hard to compete, yes. But on
David Roundy:
On Mon, Feb 20, 2006 at 11:47:49AM +0100, Bjorn Lisper wrote:
(a) It's hard to compete with existing libraries. The obvious thing is
not to compete; instead, just call them. But somehow that doesn't seem
to be as motivating. Perhaps some bindings exist though?
Hard to
On Wed, 15 Feb 2006, Marc Weber wrote:
Is there a way to use haskell as scripting language in
a) your own project?
b) other projects such as vim (beeing written in C)?
For German readers, I put an example of a scripting task on that Wiki:
On Thu, 16 Feb 2006, Matthias Fischmann wrote:
I wrote a module for sampling arbitrary probability distribution, so
far including normal (gaussian) and uniform.
http://www.wiwi.hu-berlin.de/~fis/code/
For those who need something like this: feel free to take it, it's BSD.
For those who
Hello
Using system or any variant of it from System.Process
seems broken in multithreaded environments. This
example will fail with and without -threaded.
When run the program will print hello: start and
then freeze. After pressing enter (the first getChar)
System.Cmd.system will complete, but
Lennart Augustsson wrote:
But speaking of HaXml bugs, I'm pretty sure HaXml doesn't handle
% correctly. It seem to treat % specially everywhere, but I think
it is only special inside DTDs. I have many XML files produced by
other tools that the HaXml parser fails to process because of this.
Malcolm Wallace wrote:
Lennart Augustsson wrote:
But speaking of HaXml bugs, I'm pretty sure HaXml doesn't handle
% correctly. It seem to treat % specially everywhere, but I think
it is only special inside DTDs. I have many XML files produced by
other tools that the HaXml parser fails to
Here is a version that works fine:
myRawSystem cmd args = do
(inP, outP, errP, pid) - runInteractiveProcess cmd args Nothing Nothing
hClose inP
os - pGetContents outP
es - pGetContents errP
ec - waitForProcess pid
case ec of
ExitSuccess - return ()
Graham Klyne [EMAIL PROTECTED] wrote:
Did you come across the HaXml test harness I created based on a subset
of W3C conformance tests?
http://www.ninebynine.org/Software/HaskellUtils/HaXml-1.12/test/
This covers all the parameter entity problems I fixed some time ago.
Indeed, and an
| Googling around I've found that there exists the -mno-cygwin flag
which
| you can use to not include this lib.. So would it might be possible to
| get a ghc build not using cygwin.dll with just cygwin ?
I don't know. It sounds plausible. But we only have enough resource to
maintain one route
Hi,
haskell admits many programming styles and I find it important that
several developers of a prject agree on a certain style to ease code review.
I've set up guidelines (still as plain text) for our (hets) project in
On Mon, 20 Feb 2006, Christian Maeder wrote:
I've set up guidelines (still as plain text) for our (hets) project in
http://www.informatik.uni-bremen.de/agbkb/forschung/formal_methods/CoFI/hets/src-distribution/versions/HetCATS/docs/Programming-Guidelines.txt
It seems we share the preference
On Feb 20, 2006, at 12:48 PM, Christian Maeder wrote:
Hi,
haskell admits many programming styles and I find it important that
several developers of a prject agree on a certain style to ease
code review.
I've set up guidelines (still as plain text) for our (hets) project in
On Feb 20, 2006, at 2:26 PM, Henning Thielemann wrote:
On Mon, 20 Feb 2006, Robert Dockins wrote:
I personally disagree with your preference for custom datatypes
with a value representing failure to lifting types with Maybe.
I understood that part of the guidelines as a pleading for Maybe.
I'm also using GHC 6.4.1 and rxvt v2.7.10. The problem does occur in
compiled code, but everything is OK in ghci!
hFlush stdout did solve the problem, as expected.
I've just started using rxvt. If you have tips on how to make ghci
work well with rxvt, please share them with me (for
maeder:
Hi,
haskell admits many programming styles and I find it important that
several developers of a prject agree on a certain style to ease code review.
I've set up guidelines (still as plain text) for our (hets) project in
Perhas you'd like to put up a Style page on thew new Haskell
On Thu, Feb 16, 2006 at 11:28:08PM +, Malcolm Wallace wrote:
Essentially, rather than having an indication of success/failure in the
type system, using the Maybe or Either types, you are asking to return
the typed value itself, with no wrapper, but perhaps some hidden bottoms
buried
There is a more straightforward way to get localized error messages
rather than using 'maybe' and hand-writing an appropriate error, and
that is to rely on irrefutable bindings.
f x = ... y ... where
Just y = Map.lookup x theMap
now if the lookup fails you automatically get an error
vim7 has introduced omni-completion... So I'm interested wether there
are any projects which support any kind of completion.?
I have been working on some code completion support for EclipseFP. It
is right now in a really infant stage, but it at least is something.
Just take a look at the
Stefan Wehr writes:
Martin Sulzmann [EMAIL PROTECTED] wrote::
Stefan Wehr writes:
[...]
Manuel (Chakravarty) and I agree that it should be possible to
constrain associated type synonyms in the context of class
definitions. Your example shows that this feature is actually
Unfortunately, I don't know how to make the arrow keys work in rxvt. I'm not the
right person to ask about such things...
I don't think it's possible (unless GHC is built for Cygwin, or something).
Does anybody else know?
I use an alias
alias ghciW='cmd /c start ghci'
That way I can start
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