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Are there any good books about intermediate to advanced Haskell? The
descriptions here http://haskell.org/haskellwiki/Books_and_tutorials
aren't very helpful.
Adrian
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aneumann:
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Are there any good books about intermediate to advanced Haskell? The
descriptions here http://haskell.org/haskellwiki/Books_and_tutorials
aren't very helpful.
Not in real-world paper form, yet.
Mostly advanced techniques and
[EMAIL PROTECTED] wrote:
I appreciated the elegance of
overloading, the usage of Num classes, etc, which makes it more readable,
although somewhat slower.
The source code has explicit monomorphic types all over it; I would
expect GHC to be able to optimise out any method calls. (OTOH, I'm not
On 06/05/07, Adrian Neumann [EMAIL PROTECTED] wrote:
Are there any good books about intermediate to advanced Haskell? The
descriptions here http://haskell.org/haskellwiki/Books_and_tutorials
aren't very helpful.
One of the aims of the Haskell wikibook [1] is to provide a good
coverage of the
OK, this is hacking me off now... Does ANYBODY know how I can convince
Thunderbird to send replies to Haskell Cafe rather than sending them to
the original poster? This is really becoming tiresome...
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On 06/05/07, Andrew Coppin [EMAIL PROTECTED] wrote:
OK, this is hacking me off now... Does ANYBODY know how I can convince
Thunderbird to send replies to Haskell Cafe rather than sending them to
the original poster? This is really becoming tiresome...
Is there a 'Reply to All' option? That's
On Fri, May 04, 2007 at 19:23:16 +0200, Phlex wrote:
Hello all,
I'm trying to learn haskell, so here's is my first newbie question.
I hope this list is appropriate for such help requests.
I'm trying to write a function with the signature [IO Int] - IO [Int]
Here is my first attempt :
conv ::
Hello all,
I'm trying to build a variation on Maps which supports a fast
concat-like operation, for a library I'm writing. I'd rather not
re-implement Data.Map, so I'm having a try with GADTs.
The relevant part of my source file:
Andrew Coppin [EMAIL PROTECTED] writes:
OK, this is hacking me off now... Does ANYBODY know how I can convince
Thunderbird to send replies to Haskell Cafe rather than sending them
to the original poster? This is really becoming tiresome...
My best approach to that has been to explicitely
Just so people know... The version in Darcs now has strict Colour and
Vector constructors. (Makes it run a few percent faster.)
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One thing I did was replacing the Reply button in my toolbar with
Reply All. The only problem is that I always use Cmd+R instead of
clicking a button, but I'm at least a little bit closer.
-chris
On 6-mei-2007, at 15:21, [EMAIL PROTECTED] wrote:
Andrew Coppin [EMAIL PROTECTED] writes:
Chris Eidhof wrote:
One thing I did was replacing the Reply button in my toolbar with
Reply All. The only problem is that I always use Cmd+R instead of
clicking a button, but I'm at least a little bit closer.
Try shifting the 'R'. Cmd+Shift+R for Mac users, or Control+Shift+R
for others
Chris Eidhof [EMAIL PROTECTED] writes:
One thing I did was replacing the Reply button in my toolbar with
Reply All. The only problem is that I always use Cmd+R instead of
clicking a button, but I'm at least a little bit closer.
(and: No top posting please.)
Yes, I just found, that
On Sun, May 06, 2007 at 03:11:12AM -0700, Mike Hamburg wrote:
Hello all,
I'm trying to build a variation on Maps which supports a fast
concat-like operation, for a library I'm writing. I'd rather not
re-implement Data.Map, so I'm having a try with GADTs.
The relevant part of my source
Anyone out there from the Little Rock, AR area? I am located in Conway
and we are using Haskell where I work.
-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Aditya Siram
Sent: Saturday, May 05, 2007 8:13 PM
To: Haskell-Cafe@haskell.org
Subject:
Greetings.
Haskell has arbitrary precision integers, in the form of the Integer
type. Is there a type somewhere that implements arbitrary precision
fractional values?
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On Sun, May 06, 2007 at 05:15:08PM +0100, Andrew Coppin wrote:
Greetings.
Haskell has arbitrary precision integers, in the form of the Integer
type. Is there a type somewhere that implements arbitrary precision
fractional values?
Yes, Rational in the Prelude (with extra functions in
Hello,
has anybody on this list read Goldblatt's Topoi, the categorical
Analysis of Logic? Did reading that book make you a better Haskell
programmer? If so, how?
Cheers,
phiroc
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Greetings.
Haskell has arbitrary precision integers, in the form of the Integer
type. Is there a type somewhere that implements arbitrary precision
fractional values?
Yes, Rational in the Prelude (with extra functions in Ratio)
Prelude let fibs = (1::Rational) : 1 : zipWith (+) fibs
Hi,
I've been reading it off and on for a couple of months. I definitely
wouldn't say it'll make you a better programmer, but it's a pretty nice,
gentle, introduction to some basic category theory and some uses of topoi.
Read it if you're interested in all that, not if you're just focused on
On May 6, 2007, at 12:59 , Andrew Coppin wrote:
OOC, is there a reason why you can't just write 5%10?
Prelude :t 5%10
interactive:1:1: Not in scope: `%'
Prelude :m +Data.Ratio
Prelude Data.Ratio :t 5%10
5%10 :: (Integral t) = Ratio t
Prelude Data.Ratio
I'm actually a bit surprised that's
Brandon S. Allbery KF8NH wrote:
OOC, is there a reason why you can't just write 5%10?
Prelude :t 5%10
interactive:1:1: Not in scope: `%'
Prelude :m +Data.Ratio
Prelude Data.Ratio :t 5%10
5%10 :: (Integral t) = Ratio t
Prelude Data.Ratio
I'm actually a bit surprised that's not in Prelude.
On Sun, 2007-05-06 at 07:10 -0700, Stefan O'Rear wrote:
On Sun, May 06, 2007 at 03:11:12AM -0700, Mike Hamburg wrote:
Is there a clean way around this error?
Yes, upgrade.
Type classes and GADTs are broken in all versions prior to HEAD (at
which point Simon made a heroic effort to do
Andrew Coppin wrote:
...
Likewise...
Oh, by the way, thanks for the extra syntax. It's really annoying having
to locate Notepad.exe on the start menu, type import Blah, save it as
Thing.hs, open Windoze Explorer, locate Thing.hs, and then
double-click it just so that I can try
On Sat, 2007-05-05 at 17:18 +0100, David House wrote:
Hey there,
I'm getting the following errors when I try to compile hsGnuTls [1]:
~/hs/sandbox/hsgnutls $ c2hs --version
C-Haskell Compiler, version 0.14.5 Travelling Lightly, 12 Dec 2005
build platform is i486-pc-linux-gnu 1, True,
Oh, by the way, thanks for the extra syntax. It's really annoying having
to locate Notepad.exe on the start menu, type import Blah, save it as
Thing.hs, open Windoze Explorer, locate Thing.hs, and then
double-click it just so that I can try stuff out in GHCi...
God that sounds painful. As
On Sun, May 06, 2007 at 10:02:55PM +0100, Andrew Coppin wrote:
Anyway... long ramble over... Emacs isn't my operating system of choice.
I prefer to use SciTE (which is *just* a text editor - as in, it doesn't
also come with an integrated toaster and alarm clock). One SciTE window
open, one
Andrew Coppin wrote:
[...]
Anyway... long ramble over... Emacs isn't my operating system of choice.
I prefer to use SciTE (which is *just* a text editor - as in, it doesn't
also come with an integrated toaster and alarm clock). One SciTE window
open, one command prompt pointing at the
Adrian Neumann wrote:
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Hash: RIPEMD160
Are there any good books about intermediate to advanced Haskell? The
descriptions here http://haskell.org/haskellwiki/Books_and_tutorials
aren't very helpful.
Adrian
I think The Fun of Programming fits
On 06/05/07, Andrew Coppin [EMAIL PROTECTED] wrote:
Oh, by the way, thanks for the extra syntax. It's really annoying having
to locate Notepad.exe on the start menu, type import Blah, save it as
Thing.hs, open Windoze Explorer, locate Thing.hs, and then
double-click it just so that I can try
Anyway... long ramble over... Emacs isn't my operating system of choice.
I prefer to use SciTE (which is *just* a text editor - as in, it doesn't
also come with an integrated toaster and alarm clock). One SciTE window
open, one command prompt pointing at the source folder... seems to work
On Sunday 06 May 2007 21:15, Andrew Coppin wrote:
OK, this is hacking me off now... Does ANYBODY know how I can convince
Thunderbird to send replies to Haskell Cafe rather than sending them to
the original poster? This is really becoming tiresome...
Looks like you're on windows so maybe this
Anyone tried editing haskell.org's wiki as text, using:
http://wikipediafs.sourceforge.net/
WikipediaFS is a mountable Linux virtual file system that enables you
to deal with Wikipedia (or any Mediawiki-based site) articles as if they
were real files. It is thus possible to use a real text
The pivotal project:
http://www.cs.kent.ac.uk/projects/pivotal/
is more or less what you are referring to (ie an interactive environment
where haskell is the evaluation language), though it doesn't have the
exact GUI of a spreadsheet.
Tim
From: [EMAIL
[EMAIL PROTECTED] (Donald Bruce Stewart) writes:
Anyone tried editing haskell.org's wiki as text, using:
http://wikipediafs.sourceforge.net/
I have now, and it works. To test it out, do the following:
- install wikipediafs (it's in Debian's repo., and probably others)
- $ mkdir wikis
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Issue 62 - May 07, 2007
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