You could also try using \Yleft from the stmaryrd package.
cheers,
Brent
On 6/6/07, Wolfgang Jeltsch [EMAIL PROTECTED] wrote:
Hello,
I want to typeset Haskell code using arrow syntax with LaTeX in math mode
(using lhs2TeX and polycode.fmt). However I don't know how to produce a
nice
LaTeX
Hi Man,
Difficult is a relative term -- with study and practice, what one once
considered difficult can become easy. With that said, it is true that
beginners to Haskell might find it difficult to define an average function
correctly since Haskell is (for good reason) picky about numeric types.
On 9/16/07, Mads Lindstrøm [EMAIL PROTECTED] wrote:
Hi all
If I have this type:
data Foo a b = ...
and this class
class Bar (x :: * - *) where ...
I can imagine two ways to make Foo an instance of Bar. Either I must
apply the 'a' or the 'b' in (Foo a b). Otherwise it will not have
On 10/29/07, Björn Wikström [EMAIL PROTECTED] wrote:
Hi! I have lots and lots of images (jpegs) that I would like to
manipulate and shrink (in size). They are around 5 Mb big, so I thought this
would be a good Haskell project since it's a lazy evaluating language. The
problem is that I can't
On Jan 5, 2008 1:35 PM, Stephan Friedrichs [EMAIL PROTECTED]
wrote:
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1
Hi Haskellers,
the paper Data Parallel Haskell: a status report (Chakravarty,
Leshchinskiy, Peyton Jones, Keller and Marlow) is an important source of
my seminar handout about
developments in the
[1]Haskell community.
Greetings, Haskellites! As many of you have already heard, Don Stewart
has passed on the editorship of the HWN to me (Brent Yorgey). I'd like
to thank Don and John Goerzen for their great work putting it together
in the past, and I'm excited
Hi all,
Do you know of a blog post about Haskell that wasn't syndicated on Planet
Haskell? Do you have a Haskell-related story to tell or announcement to
make? Do you have a link to some great pictures from the latest
meetup/hackathon/talk/conference? A funny story about Don Stewart?
If so,
---
Haskell Weekly News
http://sequence.complete.org/hwn/20080618
Issue 73 - June 18, 2008
---
Welcome to issue 73 of HWN, a newsletter covering
]Bitpacking. Updates on Jamie's Google Summer of
Code project.
* Jamie Brandon: [64]Finally!.
* Brent Yorgey: [65]ZipEdit. Brent describes a new library for
creating simple interactive list editors.
* Real-World Haskell: [66]Video of my concurrent/multicore Haskell
---
Haskell Weekly News
http://sequence.complete.org/hwn/20080709
Issue 76 - July 09, 2008
---
Welcome to issue 76 of HWN, a newsletter covering
and Bryan O'Sullivan will be in Portland, Oregon next
week for OSCON (along with Don Stewart, who lives in Portland).
* Russell O'Connor: [40]ICFP 2008 Post-Mortem.
* Brent Yorgey: [41]Call for an ICFP Mars Server. Will someone make a
Mars Server where we can all submit our rovers
---
Haskell Weekly News
http://sequence.complete.org/hwn/20080723
Issue 78 - July 23, 2008
---
Welcome to issue 78 of HWN, a newsletter covering
developments in the
[1]Haskell community.
Community News
Brent Yorgey (byorgey, your friendly neighborhood HWN editor) has
completed a move to Philadelphia and looks forward to starting a PhD in
the programming languages group at U Penn next month.
Roman Cheplyaka (Feuerbach) won
---
Haskell Weekly News
http://sequence.complete.org/hwn/20080820
Issue 82 - August 20, 2008
---
Welcome to issue 82 of HWN, a newsletter covering
---
Haskell Weekly News
http://sequence.complete.org/hwn/20080830
Issue 83 - August 30, 2008
---
Welcome to issue 83 of HWN, a newsletter covering
---
Haskell Weekly News
http://sequence.complete.org/hwn/20080906
Issue 84 - September 06, 2008
---
Welcome to issue 84 of HWN, a newsletter covering
---
Haskell Weekly News
http://sequence.complete.org/hwn/20080913
Issue 85 - September 13, 2008
---
Welcome to issue 85 of HWN, a newsletter covering
---
Haskell Weekly News
http://sequence.complete.org/hwn/20080920
Issue 86 - September 20, 2008
---
Welcome to issue 86 of HWN, a newsletter covering
---
Haskell Weekly News
http://sequence.complete.org/hwn/20081001
Issue 87 - October 01, 2008
---
Welcome to issue 87 of HWN, a newsletter covering
---
Haskell Weekly News
http://sequence.complete.org/hwn/20081018
Issue 89 - October 18, 2008
---
Welcome to issue 89 of HWN, a newsletter covering
---
Haskell Weekly News
http://sequence.complete.org/hwn/20081101
Issue 91 - November 01, 2008
---
Welcome to issue 91 of HWN, a newsletter covering
---
Haskell Weekly News
http://sequence.complete.org/hwn/20081108
Issue 92 - November 08, 2008
---
Welcome to issue 92 of HWN, a newsletter covering
---
Haskell Weekly News
http://sequence.complete.org/hwn/20081115
Issue 93 - November 15, 2008
---
Welcome to issue 93 of HWN, a newsletter covering
---
Haskell Weekly News
http://sequence.complete.org/hwn/20081122
Issue 94 - November 22, 2008
---
Welcome to issue 94 of HWN, a newsletter covering
---
Haskell Weekly News
http://sequence.complete.org/hwn/20081130
Issue 95 - November 30, 2008
---
Welcome to issue 95 of HWN, a newsletter covering
---
Haskell Weekly News
http://sequence.complete.org/hwn/20081206
Issue 96 - December 06, 2008
---
Welcome to issue 96 of HWN, a newsletter covering
.
Data.List.Split. Brent Yorgey [13]announced the creation of a wiki page
for [14]Data.List.Split, a hypothetical module containing
implementations of every conceivable way of splitting lists known to
man, so we no longer have to (1) argue about the 'one true' interface
for a 'split' function
I am pleased to announce the release of Data.List.Split, which
provides a wide range of strategies and a unified combinator framework
for splitting lists with respect to some sort of delimiter. It
strives to be flexible yet simple. If you've ever wished there was a
simple 'split' function you
. Brent Yorgey [25]announced the release of
[26]Data.List.Split, which provides a wide range of strategies and a
unified combinator framework for splitting lists with respect to some
sort of delimiter.
Hoogle with more libraries. Neil Mitchell [27]announced that [28]Hoogle
will now
---
Haskell Weekly News
http://sequence.complete.org/hwn/20090103
Issue 99 - January 03, 2009
---
Welcome to issue 99 of HWN, a newsletter covering
---
Haskell Weekly News
http://sequence.complete.org/hwn/20090110
Issue 100 - January 10, 2009
---
Welcome to issue 100 of HWN, a newsletter covering
the catch is, read
his message.
split-0.1.1 (doc bugfix; new functions wordsBy and linesBy). Brent
Yorgey [46]announced version 0.1.1 of the [47]split library. This
version fixes some Haddock bugs, and adds two new convenience functions
suggested by Neil Mitchell, wordsBy and linesBy
---
Haskell Weekly News
http://sequence.complete.org/hwn/20090124
Issue 102 - January 24, 2009
---
Welcome to issue 102 of HWN, a newsletter covering
---
Haskell Weekly News
http://sequence.complete.org/hwn/20090131
Issue 103 - January 31, 2009
---
Welcome to issue 103 of HWN, a newsletter covering
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
. Brent Yorgey [32]announced version 0.2 of the
[33]diagrams package, an embedded domain-specific language for creating
simple graphics in a compositional style. New features include support
for arbitrary paths, text, multiple output formats, and support for the
[34]colour library
Hi all,
If you've noticed the lack of a HWN this week, that's because I've
been doggedly finishing my article entitled 'The Typeclassopedia',
which I have just submitted for publication in the Monad.Reader.
Here's the abstract:
The standard Haskell libraries feature a number of type classes
---
Haskell Weekly News
http://sequence.complete.org/hwn/20090217
Issue 105 - February 17, 2009
---
Welcome to issue 105 of HWN, a newsletter covering
of the library from Dominic Steinitz.
The Typeclassopedia, and request for feedback. Brent Yorgey
[16]announced a [17]first draft of an article entitled 'The
Typeclassopedia', a starting point for the student of Haskell wishing
to gain a firm grasp of its standard type classes. Comments
---
Haskell Weekly News
http://sequence.complete.org/hwn/20090228
Issue 107 - February 28, 2009
---
Welcome to issue 107 of HWN, a newsletter
---
Haskell Weekly News
http://sequence.complete.org/hwn/20090307
Issue 108 - March 07, 2009
---
Welcome to issue 108 of HWN, a newsletter covering
---
Haskell Weekly News
http://sequence.complete.org/hwn/20090314
Issue 109 - March 14, 2009
---
Welcome to issue 109 of HWN, a newsletter covering
consists of the following four
articles: Rapid Prototyping in TEX by Stephen Hicks; The
Typeclassopedia by Brent Yorgey; a Real World Haskell book review by
Chris Eidhof and Eelco Lempsink; and Calculating Monads with Category
Theory by Derek Elkins.
dzen-utils 0.1. Felipe Lessa [34
On Thu, Mar 26, 2009 at 02:18:54AM +1930, Maria Gabriela Valdes wrote:
Hi, my name is Maria Gabriela Valdes, i'm a new member of the mailing list,
but i'm not new using haskell. Currently i'm studying computer science in
Venezuela.
I'm writing because i want to know more about de haskell
---
Haskell Weekly News
http://sequence.complete.org/hwn/20090328
Issue 111 - March 28, 2009
---
Welcome to issue 111 of HWN, a newsletter covering
---
Haskell Weekly News
http://sequence.complete.org/hwn/20090405
Issue 112 - April 05, 2009
---
Welcome to issue 112 of HWN, a newsletter covering
---
Haskell Weekly News
http://sequence.complete.org/hwn/20090413
Issue 113 - April 13, 2009
---
Welcome to issue 113 of HWN, a newsletter covering
---
Haskell Weekly News
http://sequence.complete.org/hwn/20090417
Issue 114 - April 17, 2009
---
Welcome to issue 114 of HWN, a newsletter covering
---
Haskell Weekly News
http://sequence.complete.org/hwn/20090425
Issue 115 - April 25, 2009
---
Welcome to issue 115 of HWN, a newsletter covering
---
Haskell Weekly News
http://sequence.complete.org/hwn/20090502
Issue 116 - May 02, 2009
---
Welcome to issue 116 of HWN, a newsletter covering
---
Haskell Weekly News
http://sequence.complete.org/hwn/20090512
Issue 117 - May 12, 2009
---
Welcome to issue 117 of HWN, a newsletter covering
---
Haskell Weekly News
http://sequence.complete.org/hwn/20090516
Issue 118 - May 16, 2009
---
Welcome to issue 118 of HWN, a newsletter covering
Hi all!
We are in the early stages of planning a Haskell hackathon/get
together, Hac φ, to be held this summer at the University of
Pennsylvania, in Philadelphia. Right now we're looking at two
possible dates:
June 19-21or July 24-26
If you might be interested in attending, please add
and notable
in this release is support for lazy, chunked text, so you can process
text files far larger than memory using a small footprint.
Haskell Hackathon in Philadelphia. Brent Yorgey [10]announced Hac phi,
a Haskell hackathon to be held in Philadelphia in July. Check out the
[11
Greetings,
I am very pleased to officially announce Hac phi, a Haskell
hackathon/get-together to be held July 24-26 at the University of
Pennsylvania in Philadelphia. The hackathon will officially kick off
at 2:30 Friday afternoon, and go until 5pm on Sunday (with breaks for
sleep, of course).
in Philadelphia, July 24-26. Brent Yorgey
[23]announced Hac phi, a Haskell hackathon/get-together to be held July
24-26 at the University of Pennsylvania in Philadelphia. The hackathon
will officially kick off at 2:30 Friday afternoon, and go until 5pm on
Sunday (with breaks for sleep
be
useful for optimizing simple compilers for referentially transparent
domain specific languages.
Hac phi accommodation: register by June 15 for reduced rate! Brent
Yorgey [23]reminded anyone interested in attending [24]Hac phi that
Monday 15 June is the deadline for getting a special
---
Haskell Weekly News
http://sequence.complete.org/hwn/20090621
Issue 122 - June 21, 2009
---
Welcome to issue 122 of HWN, a newsletter covering
---
Haskell Weekly News
http://sequence.complete.org/hwn/20090629
Issue 123 - June 29, 2009
---
Welcome to issue 123 of HWN, a newsletter covering
test with Cabal.
* Ketil Malde: [50]Dephd updates.
* Bryan O'Sullivan: [51]What's in a text API?.
* Brent Yorgey: [52]2009 ICFP programming contest reflections.
* Galois, Inc: [53]Galois, Inc. Wins Two Small Business Research
Awards from Federal Agencies.
* Greg Bacon
---
Haskell Weekly News
http://sequence.complete.org/hwn/20090712
Issue 125 - July 12, 2009
---
Welcome to issue 125 of HWN, a newsletter covering
---
Haskell Weekly News
http://sequence.complete.org/hwn/20090718
Issue 126 - July 18, 2009
---
Welcome to issue 126 of HWN, a newsletter covering
2009.2.0.2.
* Gergely Patai: [106]More profiling goodies.
* Don Stewart (dons): [107]Heuristics for Blessing Software Packages.
* David Amos: [108]How to count the number of positions of Rubik's
cube.
* Edward Kmett: [109]Slides from Hac Phi: All About Monoids.
* Brent Yorgey
..
* Edward Kmett: [84]Clearer Reflections.
* Petr Rockai: [85]soc final report.
* Gergely Patai: [86]hp2any overview online.
* Brent Yorgey: [87]New 2D text layout library.
* Manuel Chakravarty: [88]World's first formal machine-checked proof
of a general-purpose operating system
---
Haskell Weekly News
http://sequence.complete.org/hwn/20090905
Issue 129 - September 05, 2009
---
Welcome to issue 129 of HWN, a newsletter
Executive summary:
* I'm looking for someone to take over as HWN editor
* It is highly automated and doesn't take as much time as you might
think (about 3-4 hours/week on average)
* You DON'T need to be a Haskell guru
* It is far from a thankless job and is a fun way to provide an
On Sat, Sep 05, 2009 at 05:26:08PM -0400, Brent Yorgey wrote:
Executive summary:
* I'm looking for someone to take over as HWN editor
* It is highly automated and doesn't take as much time as you might
think (about 3-4 hours/week on average)
* You DON'T need to be a Haskell guru
On Sat, Sep 05, 2009 at 08:31:18PM -0400, Albert Y. C. Lai wrote:
carlos gomez wrote:
I'm interested too. Is there any place for one more ?
If we have two editors (let's say), we can set up a redundantly highly
available roster:
* usually they take turns to release issues
* but they have
Er, correction, obviously that should be Issue 15, not 14. The submission
deadline is correct, though! =)
On Sun, Oct 11, 2009 at 02:34:54PM -0400, Brent Yorgey wrote:
Call for Copy: The Monad.Reader - Issue 14
--
Whether you're an established
It's not too late to write something for Issue 15 of the Monad.Reader!
Whether you're an established academic or have only just started
learning Haskell, if you have something to say, please consider
writing an article for The Monad.Reader! The submission deadline
for Issue 15 is
I am very pleased to announce that Issue 15 of The Monad.Reader is now
available for your reading pleasure [1].
Issue 15 consists of the following four articles:
* The hp2any project by Gergely Patai
* Adventures in Three Monads by Edward Z. Yang
* The Operational Monad Tutorial by
Call for Copy: The Monad.Reader - Issue 16
--
Whether you're an established academic or have only just started
learning Haskell, if you have something to say, please consider
writing an article for The Monad.Reader! The submission deadline
for Issue 16 will
I already have one or two submissions, but a few more would be
great. If you've been thinking about submitting something but
weren't sure or haven't gotten around to it yet, now's the time!
--
Whether you're an established academic or have only just started
learning Haskell, if you
There is still plenty of space to register [1] for Hac phi 2010, but
time is running out to get a hotel room at a reduced rate --- if you
want the special rate for the block of rooms we have reserved at the
Club Quarters, you must contact the hotel by this Friday, April 23.
Instructions are on the
I am very pleased to announce that Issue 16 of The Monad.Reader is now
available [1].
Issue 16 consists of the following three articles:
* Demand More of Your Automata by Aran Donohue
* Iteratee: Teaching an Old Fold New Tricks by John W. Lato
* Playing with Priority Queues by Louis
Whether you're an established academic or have only just started
learning Haskell, if you have something to say, please consider
writing an article for The Monad.Reader! The submission deadline
for Issue 17 will be:
**Friday, October 1, 2010**
The Monad.Reader
Whether you're an established academic or have only just started
learning Haskell, if you have something to say, please consider
writing an article for The Monad.Reader! The submission deadline
for Issue 17 is
**Friday, October 1, 2010**
That's little more than a month away! Get
On Mon, Dec 13, 2010 at 10:35:22AM -0800, Don Stewart wrote:
Hi Paul,
The move is complete. There are no haskell.org services running there
now. You could shut down the machine in December if you wish.
Everyone keeps saying the move is complete but I'm not sure it's
really true. I
(Standard disclaimer: I am not a lawyer; this is not official legal
advice; etc.)
On Wed, Dec 15, 2010 at 10:39:55PM +0100, Frank Rosemeier wrote:
The more severe problem is related to the Terms of Service which I
have to accept with the account request.
It contains lots of legal stuff
I am pleased to announce that Issue 17 of The Monad.Reader is now
available [1].
Issue 17 consists of the following three articles:
* List Leads Off with the Letter Lambda by Douglas M. Auclair
* The InterleaveT Abstraction: Alternative with Flexible Ordering by
Neil Brown
* The Reader
On Mon, Jan 17, 2011 at 05:08:46PM -0600, Michael Schade wrote:
Hey everyone,
I'm extremely excited to have made my first upload to Hackage
(http://hackage.haskell.org/package/accentuateus). It is an
implementation of the Accentuate.us (http://accentuate.us/) API,
which, using statistics,
Submissions are now being accepted for a special POETRY AND FICTION
edition of the Monad.Reader. Poems about Haskell, short stories about
Haskell, poems about poems about Haskell, elaborate monad tutorial
allegories, Haskell/Dinosaur Comics crossovers: all fair game!
If you want a bit of
Whether you're an established academic or have only just started
learning Haskell, if you have something to say, please consider
writing an article for The Monad.Reader! The submission deadline
for Issue 18 will be:
**Friday, April 1, 2011**
This will be a normal issue -- but
Ten days until the submission deadline.
Nein: what I won't take for an answer.
Eighth to eighteenth February,
Seven thousand minutes twice,
Sick's he who can't write aught.
Five submissions now;
Four more, at least?
Three'd be fair
To no-
One.
, but as in past years,
registration will be free, and we hope to be able to provide some
of the meals. You'll be on your own for transportation and
lodging.
The Hac Phi team:
Chris Casinghino (ccasin)
Daniel Wagner (dmwit)
Brent Yorgey (byorgey
I am pleased to announce that the special Poetry and Fiction Edition
of The Monad.Reader is now available [1]. Enjoy!
Also, the submission deadline for Issue 18 has been extended one week,
to Friday, April 8. Please get in touch if you would like to submit
something!
-Brent
[1]
Hi all,
It's time for a second edition of the Typeclassopedia [1], and I'd
love to have your suggestions and contributions. You can send me
suggestions and darcs patches [2] by email. For more detailed
information, see my blog post [3].
-Brent
[1]
project built on top of diagrams and let us know how
it goes!
- Last but certainly not least, just try it out for your pet graphics
generation needs and contribute your bug reports and feature
requests.
Happy diagramming!
Brought to you by the diagrams team:
- Brent Yorgey
I am pleased to announce that Issue 18 of The Monad.Reader is now
available [1].
Issue 18 consists of the following three articles:
* MapReduce as a Monad by Julian Porter
* Fun with Parallel Monad Comprehensions by Tomas Petricek
* Attributed Variables: Their Uses and One Implementation
Call for Copy: The Monad.Reader - Issue 19
SPECIAL ISSUE on parallelism and concurrency
Whether you're an established academic or have only just started
learning Haskell, if you have something to say, please consider
writing an article for The
I am pleased to announce that Issue 19 of The Monad.Reader, a special
issue on parallelism and concurrency, is now available:
http://themonadreader.files.wordpress.com/2011/10/issue19.pdf
Issue 19 consists of the following three articles:
* Mighttpd – a High Performance Web Server in
On Thu, Mar 08, 2012 at 03:13:13PM +, John Lato wrote:
From: Luana Fagarasan luana_0...@yahoo.com
Hello,
I am quite new to Haskell and I am seeking the best way to
display trees graphically when using Haskell. I have looked on
the web, but am still not clear!
IMHO Haskell is a
:
- Peter Hall
- Ian Ross
- Michael Sloan
- Ryan Yates
- Brent Yorgey
with contributions from:
- Sam Griffin
- Claude Heiland-Allen
- John Lato
- Vilhelm Sjoberg
- Luite Stegeman
- Kanchalai Suveepattananont
- Scott Walck
selecting cabal-install-0.10.2 (source) and discarding Cabal-1.1.6, ...
Notice it's trying to reinstall the version of cabal-install that you
already have.
After doing 'cabal update', I get
[byorgey@LVN513-9:~]$ cabal list cabal-install
* cabal-install
Synopsis: The command-line
On Mon, Jul 16, 2012 at 12:03:49AM +0200, Henk-Jan van Tuyl wrote:
On Sun, 15 Jul 2012 02:39:30 +0200, Gwern Branwen gwe...@gmail.com wrote:
2. Additional administrators must be created. I suggest:
- dons
- Magnus Therning
- Neil Mitchell
- byorgey
- Henk-Jan van Tuyl
I am willing to
So it looks like email confirmation for new accounts and ReCAPTCHA for
new links are both enabled, but clearly spam is still a problem. Are
there any additional measures we can take to cut down on spam?
For the record, if we need to move to a manual approval process for
new accounts, I would be
Quite a while ago there was a mailing list thread where the idea was
brought up of creating a mailing list for those interested in
combinatorics in the setting of Haskell.
Well, I've finally gotten around to it. If you're interested in
(probably extremely low-traffic) discussion and
] http://hackage.haskell.org/package/diagrams%2Dcontrib
Happy diagramming!
Brought to you by the diagrams team:
- Michael Sloan
- Ryan Yates
- Brent Yorgey
with contributions from:
- Sam Griffin
- Niklas Haas
- Peter Hall
- Claude Heiland-Allen
- Deepak Jois
- John Lato
Hi all,
Below is the call for demonstration proposals for FARM 2013. Please
forward to anyone who might be interested -- apologies if you receive
multiple copies!
Brent Yorgey
publicity chair for FARM 2013
:
- Daniel Bergey
- Jeff Rosenbluth
- Ryan Yates
- Brent Yorgey
with contributions from:
- Jan Bracker
- Conal Elliott
- Daniil Frumin
- Sam Griffin
- Niklas Haas
- Peter Hall
- Claude Heiland-Allen
- Deepak Jois
- John Lato
- Felipe Lessa
- Chris Mears
- Ian Ross
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