Working Conf on Generic Programming: deadline extension

2002-02-15 Thread Jeremy Gibbons
The submission deadline for the IFIP TC2/WG2.1 Working Conference on Generic Programming has been extended until 2nd March 2002. For further details of the conference, please see the web site at http://www.cs.uu.nl/~johanj/wcgp/. A revised call for papers is attached. Jeremy Gibbons and Johan

Reminder: Fun of Programming early reg 7th Feb

2003-01-31 Thread Jeremy Gibbons
price for early registration; the capacity of the lecture room is limited and offered on a first-come first-served basis, so early registration is recommended. The speakers are as follows: Chris Okasaki (West Point) John Hughes (Chalmers) Jeremy Gibbons (Oxford) Paul

Postdoc PhD positions in Datatype-Generic programming

2003-03-10 Thread Jeremy Gibbons
Gibbons, Oxford University Computing Laboratory, Wolfson Building, Parks Road, Oxford OX1 3QD, UK, [EMAIL PROTECTED], www.comlab.ox.ac.uk/oucl/people/jeremy.gibbons.html. The closing date for applications for both positions is Monday 14th April 2003. Roland Backhouse Jeremy Gibbons -- [EMAIL

Mathematics of Program Construction

2003-12-05 Thread Jeremy . Gibbons
COMMITTEE Roland Backhouse, Stephen Bloom, Eerke Boiten, Jules Desharnais, Thorsten Ehm, Jeremy Gibbons, Ian Hayes, Eric Hehner, Johan Jeuring, Dexter Kozen (chair), Rustan Leino, Hans Leiss, Christian Lengauer, Lambert Meertens, Bernhard Moeller, David Naumann, Alberto Pardo, Georg Struth, Jerzy Tiuryn

[Haskell] Re: graphs and trees again

2004-02-23 Thread Jeremy Gibbons
. My MPC paper shows Ladner and Fischer's parallel prefix algorithm. My thesis also shows Reingold and Tilford's tree-drawing algorithm, which I wrote up as a later paper [7]. I confess, two examples is not really many... Jeremy [1] Jeremy Gibbons. Algebras for Tree Algorithms. D. Phil. thesis

[Haskell] MPC2004: Call for participation

2004-05-26 Thread Jeremy Gibbons
. Please follow the link from the conference web page (URL above). Note that the early registration deadline is Monday 14th June. After that date, we cannot guarantee that accommodation will be available. (Our apologies if you receive multiple copies of this announcement.) Jeremy Gibbons on behalf

[Haskell] MPC2004: Final call for participation

2004-06-25 Thread Jeremy Gibbons
. Accommodation is still available, but places are limited. To register, please follow the link from the conference web page, at the URL above. (Our apologies if you receive multiple copies of this announcement.) Jeremy Gibbons on behalf of the MPC programme committee -- [EMAIL PROTECTED

Re: [Haskell] factoring `if'

2004-10-11 Thread Jeremy Gibbons
On Mon, 11 Oct 2004, Serge D. Mechveliani wrote: How do you think, is the program (1) equivalent to (2) in the meaning of Haskell-98 ? Not at all. If foo is non-strict and p partial, (2) may yield a result where (1) would not. You identify the possibility yourself: (2) is lazier. (1) (\ x

Re: [Haskell] Typing in haskell and mathematics

2005-01-30 Thread Jeremy Gibbons
Despite being a fan of generic programming, I have my doubts about this kind of automatic lifting. It works fine in ordinary mathematics, because there is no fear of confusion - one hardly ever deals with functions as entities in their own right. (Witness sigma sin(x) dx, involving a term sin(x)

Re: [Haskell] Research papers on Advanced Functional Programming?

2005-03-24 Thread Jeremy Gibbons
schools. plug Don't forget The Fun of Programming (Jeremy Gibbons and Oege de Moor, editors), which is specifically intended to be a textbook for an advanced course on functional programming. http://www.comlab.ox.ac.uk/oucl/work/jeremy.gibbons/publications/ index.html#fop /plug Jeremy [EMAIL

[Haskell] Doctoral Studentships in Computing Science

2005-05-12 Thread Jeremy . Gibbons
2005. For further information and details of how to apply, please contact Jim Davies ([EMAIL PROTECTED]) or Jeremy Gibbons ([EMAIL PROTECTED]). -- [EMAIL PROTECTED] Oxford University Computing Laboratory,TEL: +44 1865 283508 Wolfson Building, Parks Road, FAX: +44 1865 273839

Re: [Haskell] Mixing monadic and non-monadic functions

2005-09-08 Thread Jeremy Gibbons
On Wed, 7 Sep 2005, Frederik Eaton wrote: I want the type system to be able to do automatic lifting of monads, i.e., since [] is a monad, I should be able to write the following: [1,2]+[3,4] and have it interpreted as do {a-[1,2]; b-[3,4]; return (a+b)}. You might want to take a look at

Re: [Haskell] Re: Re[2]: [Template-haskell] new TH tutorial (request for comments)

2006-01-23 Thread Jeremy Gibbons
On 23 Jan 2006, at 13:33, Johan Jeuring wrote: JW I'd like to read some overview and comparison on second-level JW programming in Haskell (and if there is none, I'm willing to contribute): This won't be of much help right now, but Ralf Hinze, Andres Loh and I are preparing lecture notes on

Re: [Haskell] Type-Level Naturals Like Prolog?

2006-07-13 Thread Jeremy Gibbons
On 13 Jul 2006, at 06:25, Jared Warren wrote: Haskell's type checking language is a logical programming language. The canonical logical language is Prolog. However, Idealised Prolog does not have data structures, and does Peano numbers like: natural(zero). natural(x), succ(x,y) :-

[Haskell] Integrated Formal Methods 2007: First call for technical papers

2006-09-26 Thread Jeremy . Gibbons
Nations University, Macau Jeremy Gibbons, University of Oxford, UK Wolfgang Grieskamp, Microsoft Research, Redmond, US Henri Habrias, University of Nantes, France Maritta Heisel, University of Magdeburg, Germany Soon-Kyeong Kim, University of Queensland, Australia Michel Lemoine, ONERA, Toulouse, France

Re: [Haskell] Haskell training course?

2006-10-03 Thread Jeremy Gibbons
Hello, Wim. What kind of thing do you have in mind? I teach a one-week course on Functional Programming (using Haskell, and aimed at practical application) as part of the part-time professional Software Engineering Programme at Oxford. It can be taken on a standalone basis, or as credit

[Haskell] Fun in the Afternoon: Thurs 16th Nov in Oxford

2006-10-11 Thread Jeremy . Gibbons
proceedings. All are welcome, but if you'd like to come, could you please drop me (Jeremy Gibbons) a line so that I have an idea of numbers? If you'd like to give a talk, please also propose a title and a duration. We haven't yet fixed the timetable, because it depends in part on what offers of talks

[Haskell] University of Oxford: Lectureships in Software Engineering

2006-10-30 Thread Jeremy . Gibbons
UNIVERSITY OF OXFORD Software Engineering Programme Kellogg College THREE UNIVERSITY LECTURERSHIPS IN SOFTWARE ENGINEERING Applications are invited for three new University Lecturerships in Software Engineering. The successful applicants will join the staff of the University's Software

[Haskell] Call for participation and abstracts: BCTCS, Oxford, 2-5 Apr

2007-01-19 Thread Jeremy . Gibbons
(apologies for any duplicate cross-postings you may receive) ++ 23rd British Colloquium for Theoretical Computer Science BCTCS 2007 2-5 April 2007

[Haskell] IFM2007 Final call for contributions

2007-01-24 Thread Jeremy . Gibbons
-- IFM 2007 Sixth International Conference on Integrated Formal Methods 2nd - 6th July 2007, Oxford, UK http://www.ifm2007.org

Re: [Haskell] Re: refactoring, catamorphism, termination of programs

2007-05-02 Thread Jeremy Gibbons
On 2 May 2007, at 12:18, Johannes Waldmann wrote: If you want to contribute further to the discussion, then please do so via http://groups.google.com/group/fp-termination (I don't want to clutter the haskell mailing list, but I want to have the discussion in some public place.) Isn't

[Haskell] Integrated Formal Methods 2007: Call for participation

2007-05-09 Thread Jeremy . Gibbons
://www.softeng.ox.ac.uk/Jim.Davies Jeremy Gibbonshttp://www.softeng.ox.ac.uk/Jeremy.Gibbons ___ Haskell mailing list Haskell@haskell.org http://www.haskell.org/mailman/listinfo/haskell

Re: [Haskell] What makes a functional language functional?

2007-08-09 Thread Jeremy Gibbons
Many arguments have been had about what it means for a language to be functional, so that's probably not a productive line of discussion. (ICFP carefully doesn't stipulate language choice for the programming contest, for example.) Both eager and lazy evaluation can be pure, providing

[Haskell] Mathematics of Program Construction 2008: Call for papers

2007-12-14 Thread Jeremy Gibbons
of Kent, UK Venanzio Capretta University of Nijmegen, Netherlands Sharon Curtis Oxford Brookes University, UK Jules DesharnaisUniversité Laval, Québec, Canada Peter DybjerChalmers University of Technology, Sweden Jeremy Gibbons University of Oxford, UK Lindsay

[Haskell] Fully-funded doctoral studentships in dependently type programming at Oxford and Strathclyde

2009-03-06 Thread Jeremy . Gibbons
), the Algebra of Programming group at the University of Oxford (Jeremy Gibbons), and the Mathematically Structured Programming group at the University of Strathclyde (Neil Ghani and Conor McBride). We are all familiar with Milner's slogan that well-typed programs cannot go wrong. Types express

[Haskell] Spring School in Generic and Indexed Programming

2010-01-16 Thread Jeremy . Gibbons
SPRING SCHOOL ON GENERIC AND INDEXED PROGRAMMING Wadham College, Oxford, 22nd to 26th March 2010 TOPIC Generic programming is about making programs more widely applicable via exotic kinds of parametrization - not just along the dimensions of values or of types, but of things such as the shape

[Haskell] Call for Papers: Haskell Symposium 2010

2010-02-07 Thread Jeremy . Gibbons
://www.haskell.org/haskell-symposium/2010, the 2010 Haskell Symposium web page. * http://www.icfpconference.org/icfp2010, the ICFP 2010 web page. Programme Committee * Jeremy Gibbons, University of Oxford (chair) * James Cheney, University of Edinburgh * Duncan

[Haskell] Final Call for Papers: Haskell Symposium 2010

2010-06-04 Thread Jeremy . Gibbons
. * http://www.haskell.org/haskell-symposium/2010, the 2010 Haskell Symposium web page. * http://www.icfpconference.org/icfp2010, the ICFP 2010 web page. Programme Committee * Jeremy Gibbons, University of Oxford (chair) * James Cheney, University of Edinburgh

[Haskell] Fully-funded PhD in programming languages at Oxford

2010-06-17 Thread Jeremy . Gibbons
FULLY-FUNDED DOCTORAL STUDENTSHIP IN PROGRAMMING LANGUAGES AT OXFORD I have just obtained funding for a DPhil studentship at Oxford. The studentship is open in terms of topic; I would welcome applications for research in any of my areas of interest. These include: functional programming

[Haskell] Haskell 2010 Call for Participation

2010-08-26 Thread Jeremy . Gibbons
) registration page. Programme Committee * Jeremy Gibbons, University of Oxford (chair) * James Cheney, University of Edinburgh * Duncan Coutts, Well-Typed LLP * Sharon Curtis, Oxford Brookes University * Fritz Henglein, Kobenhavns Universitet * Tom Schrijvers, Katholieke

Re: [Haskell] select(2) or poll(2)-like function?

2011-04-18 Thread Jeremy Gibbons
Please can this discussion be moved to haskell-cafe? http://www.haskell.org/haskellwiki/Mailing_Lists Ta. Jeremy On 18 Apr 2011, at 12:55, Mike Meyer wrote: On Mon, 18 Apr 2011 12:56:39 +0200 Ertugrul Soeylemez e...@ertes.de wrote: Mike Meyer m...@mired.org wrote: On Mon, 18 Apr 2011

[Haskell] Mathematics of Program Construction - first call for papers

2011-09-07 Thread Jeremy . Gibbons
the conference, we plan that the authors of the best papers will be invited to submit revised versions to a special issue of the Elsevier journal Science of Computer Programming. PROGRAMME COMMITTEE Jeremy Gibbons University of Oxford, UK (co-chair) Pablo Nogueira Universidad

[Haskell] Mathematics of Program Construction: Second Call for Papers

2011-12-15 Thread Jeremy . Gibbons
to submit revised versions to a special issue of the Elsevier journal Science of Computer Programming. PROGRAMME COMMITTEE Jeremy Gibbons University of Oxford, UK (co-chair) Pablo Nogueira Universidad Politécnica de Madrid, ES (co-chair) Ralph Back Åbo Akademi, FI

[Haskell] MPC2012 Call for Participation

2012-05-23 Thread Jeremy . Gibbons
SOCIAL EVENTS The conference excursion will be a guided tour of Madrid's Royal Palace. The banquet will be Northern Spanish cuisine at the Sidreria-Asador Gaztemanu. PROGRAMME COMMITTEE Jeremy Gibbons University of Oxford, UK (co-chair) Pablo Nogueira Universidad Politécnica

[Haskell] Departmental Lectureship vacancy in Software Engineering Programme, University of Oxford

2012-08-07 Thread Jeremy . Gibbons
details of the position are here: https://www.recruit.ox.ac.uk/pls/hrisliverecruit/erq_jobspec_version_4.display_form The application closing date is 21st September. Please feel free to write to me if you have any queries. Jeremy Gibbons Professor of Computing Director of Software Engineering

[Haskell] Departmental Lectureship vacancy in Software Engineering Programme, University of Oxford

2012-08-07 Thread Jeremy . Gibbons
=103732 The application closing date is 21st September. Please feel free to write to me if you have any queries. Jeremy Gibbons Professor of Computing Director of Software Engineering Programme www.cs.ox.ac.uk/jeremy.gibbons jeremy.gibb...@cs.ox.ac.uk

[Haskell] University Lectureship in Computer Science (Software Engineering) at Oxford

2012-11-27 Thread Jeremy . Gibbons
University of Oxford Department of Computer Science in association with Kellogg College, Oxford UNIVERSITY LECTURER IN COMPUTER SCIENCE (SOFTWARE ENGINEERING) The Department of Computer Science proposes to appoint a University Lecturer in Computer Science from 1st March 2013 and no later than

[Haskell] Three University Lectureships in Software Engineering at Oxford

2013-01-07 Thread Jeremy . Gibbons
University of Oxford Department of Computer Science in association with Kellogg College, Oxford UNIVERSITY LECTURERS IN COMPUTER SCIENCE (SOFTWARE ENGINEERING) - THREE POSTS The Department of Computer Science proposes to appoint three University Lecturers in Computer Science from 1st April

[Haskell] Foundations of Health Information Engineering and Systems (FHIES 2013) - call for papers

2013-02-11 Thread Jeremy . Gibbons
Publication of proceedings: December 23rd ORGANIZERS General chairs: * Zhiming Liu, United Nations University, MO * Jens Weber, University of Victoria, CA Programme chairs: * Jeremy Gibbons, University of Oxford, UK * Wendy MacCaull, St. Francis Xavier University, CA

[Haskell] Research Assistantship at Oxford on Bidirectional Transformations

2013-03-04 Thread Jeremy . Gibbons
is a collaboration between Professor Jeremy Gibbons in the Department of Computer Science, University of Oxford, and Dr Perdita Stevens and Dr James Cheney in the School of Informatics, University of Edinburgh. The project concerns bidirectional transformations, which are a means of maintaining

[Haskell] Foundations of Health Information Engineering and Systems (FHIES 2013) - final call for papers

2013-04-12 Thread Jeremy . Gibbons
: * Zhiming Liu, United Nations University, MO * Jens Weber, University of Victoria, CA Programme chairs: * Jeremy Gibbons, University of Oxford, UK * Wendy MacCaull, St. Francis Xavier University, CA Programme committee: * Ime Asangansi, University of Oslo, NO * Tom Broens, Mobihealth, NL * Lori

[Haskell] Foundations of Health Information Engineering and Systems (FHIES 2013) - extended submission deadline

2013-05-03 Thread Jeremy . Gibbons
* Jens Weber, University of Victoria, CA Programme chairs: * Jeremy Gibbons, University of Oxford, UK * Wendy MacCaull, St. Francis Xavier University, CA Programme committee: * Ime Asangansi, University of Oslo, NO * Tom Broens, Mobihealth, NL * Lori Clarke, University of Massachusetts, US

[Haskell] FHIES 2013 Call for Participation

2013-07-11 Thread Jeremy . Gibbons
of Victoria, CA Programme chairs: * Jeremy Gibbons, University of Oxford, UK * Wendy MacCaull, St. Francis Xavier University, CA Programme committee: * Ime Asangansi, University of Oslo, NO * Tom Broens, Mobihealth, NL * Lori Clarke, University of Massachusetts, US * David Clifton, University

[Haskell] Oberwolfach Seminar on Mathematics for Scientific Programming

2013-09-05 Thread Jeremy . Gibbons
can be tackled with the categorical methods presented, and numerical ones (the local optimization techniques), where interval analysis can be used. The Seminar is organized by: * Paul Flondor, Professor of Mathematics at Politehnica University Bucharest (pflon...@yahoo.co.uk) * Jeremy Gibbons

[Haskell] Call for Talk Proposals: Data-Centric Programming, San Diego, Jan 2014

2013-10-13 Thread Jeremy . Gibbons
submit supplementary material (e.g. a full paper, talk slides) if they desire, which PC members are free (but not expected) to read. Organization Program Chairs Jeremy Gibbons, University of Oxford, United Kingdom Evelyne Viegas, Microsoft Research, United States Program Committee

[Haskell] ACM SIGPLAN Workshop on Data-Centric Programming (at POPL) - talk proposal deadline extended to 22nd Nov

2013-11-20 Thread Jeremy . Gibbons
Jeremy Gibbons, University of Oxford, United Kingdom Evelyne Viegas, Microsoft Research, United States Program Committee Soren Auer, University of Bonn, Germany Nate Foster, Cornell University, United States Juliana Freire, Polytechnic Institute of New York University, United States Erik Meijer

[Haskell] UTP-2014 Unifying Theories of Programming - call for papers

2014-01-12 Thread Jeremy Gibbons
Cavalcanti (University of York) Andrew Butterfield (Trinity College Dublin) Leo Freitas (Newcastle University) Jeremy Gibbons (University of Oxford) Lindsay Groves (Victoria University of Wellington) Walter Guttmann (University of Canterbury) Ian Hayes (University of Queensland) Jeremy Jacob (University

[Haskell] UTP Symposium: extended submission deadline

2014-01-25 Thread Jeremy Gibbons
University) Ana Cavalcanti (University of York) Andrew Butterfield (Trinity College Dublin) Leo Freitas (Newcastle University) Jeremy Gibbons (University of Oxford) Lindsay Groves (Victoria University of Wellington) Walter Guttmann (University of Canterbury) Ian Hayes (University of Queensland) Jeremy Jacob

[Haskell] UTP-2014 call for participation

2014-04-16 Thread Jeremy Gibbons
* --- Call For Participation --- 5th International Symposium on Unifying Theories of Programming Singapore, 13th May, 2014 In association with FM 2014

[Haskell] Up to 15 fully-funded doctoral studentships in CS at Oxford

2014-11-17 Thread Jeremy Gibbons
Dear all, My department has just received a big award from Google, which will mostly be spent on DPhil student scholarships. The topic is open to anything the dept works in, but I would particularly welcome strong students in functional programming. Please pass this around to anyone you think

[Haskell] Nominations for John C Reynolds Distinguished Dissertation Award

2014-12-16 Thread Jeremy Gibbons
(On behalf of Sue Eisenbach, to whom queries should be addressed. Nomination deadline is 4th Jan. My apologies for the short notice. -jg) * Dear all, If you have a student who has completed an outstanding programming language PhD thesis in the academic year 2014, can I recommend that the

[Haskell] Two research assistantships in model-driven engineering and semantic technologies, University of Oxford

2015-01-15 Thread Jeremy Gibbons
” project, working with Jim Davies and Jeremy Gibbons. The primary selection criteria are strong design and development skills in object-oriented and functional programming, representation and manipulation of semi-structured data, and model transformation, together with a proven track record

[Haskell] Doctoral Teaching Assistantships in CS at Oxford

2015-03-20 Thread Jeremy Gibbons
DOCTORAL TEACHING ASSISTANTSHIPS SOFTWARE ENGINEERING PROGRAMME DEPARTMENT OF COMPUTER SCIENCE, UNIVERSITY OF OXFORD The University of Oxford's Computer Science department is offering two DPhil (PhD) scholarships. The scholarships are for up to five years; they include teaching responsibilities

[Haskell] Associate Professorship in Data Science at Oxford (Continuing Education)

2015-04-22 Thread Jeremy Gibbons
ASSOCIATE PROFESSORSHIP IN DATA SCIENCE DEPARTMENT OF CONTINUING EDUCATION UNIVERSITY OF OXFORD Grade 36S: £44,620 - £59,914 p.a. (pro rata) The University is seeking to appoint an Associate Professor in Data Science, to commence in October 2015 or as soon as possible thereafter. The post will

[Haskell] Associate or Full Professorship in Programming Languages at Oxford

2015-12-17 Thread Jeremy Gibbons
The Department of Computer Science at University of Oxford has an opening for an Associate or Full Professorship in Programming Languages, as described below. Please pass this advert on to anyone who may be interested. I would be happy to answer any questions. -jg * Applications are

[Haskell] SIGPLAN John C Reynolds Doctoral Dissertation Award

2015-11-22 Thread Jeremy Gibbons
Dear All, I would like to draw your attention to the SIGPLAN John C. Reynolds Doctoral Dissertation Award. If you are (or will be) a 2015 PhD graduate with a great thesis or a supervisor of such a graduate can I suggest you consider applying? Obtaining such an award makes a person stand out

[Haskell] Summer School on Bidirectional Transformations, Oxford, 25-29th July 2016

2016-06-02 Thread Jeremy Gibbons
bout academic matters, please contact any of the organizers: Faris Abou-Saleh, James Cheney, Jeremy Gibbons, James McKinna, Perdita Stevens * jeremy.gibb...@cs.ox.ac.uk Oxford University Department of Computer Science, Wolfson Building, Parks Road, Oxford OX1 3QD, UK.

[Haskell] Doctoral scholarships at Oxford

2016-09-19 Thread Jeremy Gibbons
The Dept of CS at Oxford has just advertised up to 15 DPhil (Oxford's PhD) scholarships to start in Oct 2017. I would be very happy to see applications from strong students in functional programming among those scholarships. If you'd like to discuss, please get in touch. In particular, if you

[Haskell] Online seminars in Tensor Computation, October to December

2021-10-06 Thread Jeremy Gibbons
r Partitioning on Meshes of Accelerators* [provisional title] Seminar conveners: [Jeremy Gibbons](http://www.cs.ox.ac.uk/people/jeremy.gibbons/ <http://www.cs.ox.ac.uk/people/jeremy.gibbons/>) [Peter Braam](https://www.braam.io/ <https://www.braam.io/>) jeremy.gibb...@cs.ox.ac.uk

[Haskell] MSFP 2022 - First Call for Papers

2021-11-24 Thread Jeremy Gibbons
otsdam, Germany Jacques Carette - McMaster University, Canada Youyou Cong - Tokyo Institute of Technology, Japan Philippa Cowderoy Jan de Muijnck-Hughes - University of Glasgow, UK Harley Eades III - Augusta University, USA Jeremy G

Re: [Haskell] The Point of this List

2023-05-04 Thread Jeremy Gibbons
The purpose of this list is specified on its webpage: > The Haskell mailing list is for announcements and short discussions on any > topic related to the Haskell language. > > Discussions should be moved to the Haskell Cafe mailing list after a few > exchanges, so that the volume on this list

[Haskell] FLOPS 2024 Symposium on Functional and Logic Programming

2023-07-27 Thread Jeremy Gibbons
Jan 2024 * Final versions due: Wed 28th Feb 2024 *** Organizers *** Shin-ya Katsumata National Institute of Informatics, JP (General Chair) Jeremy Gibbons University of Oxford, UK (PC Co-Chair) Dale Miller INRIA Saclay and LIX/IPP, FR (PC Co-Chair) Naohiko Hoshino

[Haskell] FLOPS 2024: final call for abstracts and papers

2023-11-30 Thread Jeremy Gibbons
Dear all, > === > Call For Papers > > FLOPS 2024: 17th International Symposium on Functional and Logic Programming > === This is a reminder that the deadline for FLOPS 2024 submissions is rapidly

Can't run hello-world program in ghc-4.01

1998-12-03 Thread Jeremy Gibbons
-v, but when I tried that it hung my machine and I had to reboot. (I only have 16M, and Netscape was running, but still...) Am I doing something obviously wrong? Jeremy -- Jeremy Gibbons [EMAIL PROTECTED] School of Computing and Mathematical Sciences,tel +44 1865 483660 Oxford Brookes Un

Bugs with GADTs in GHC6.4.1

2005-12-12 Thread Jeremy Gibbons
The attached script induces panic in GHC6.4.1: ghc-6.4.1: panic! (the `impossible' happened, GHC version 6.4.1): applyTypeToArgs f{v a1Eg} x{v a1Ei}. In case it helps to understand what I was trying to do: this was an attempt to define an unfold for vectors, a number-parametrized type.

Re: Bugs with GADTs in GHC6.4.1

2005-12-13 Thread Jeremy Gibbons
On 12 Dec 2005, at 12:48, Andres Loeh wrote: The attached script induces panic in GHC6.4.1: ghc-6.4.1: panic! (the `impossible' happened, GHC version 6.4.1): applyTypeToArgs f{v a1Eg} x{v a1Ei}. I think this is related to a known bug, because the same workaround helps -- annotate the f and x

Re: [Haskell] factoring `if'

2004-10-11 Thread Jeremy Gibbons
On Mon, 11 Oct 2004, Serge D. Mechveliani wrote: How do you think, is the program (1) equivalent to (2) in the meaning of Haskell-98 ? Not at all. If foo is non-strict and p partial, (2) may yield a result where (1) would not. You identify the possibility yourself: (2) is lazier. (1) (\ x

[Haskell-cafe] Re: Category theory monad ---- Haskell monad

2005-08-23 Thread Jeremy Gibbons
On 14/08/05, Carl Marks id2359 at yahoo.com wrote: Is there any text/article which makes precise/rigorous/explicit the connection between the category theoretic definition of monad with the haskell implementation? I did try to do this in my (rejected) paper A monadic interpretation of tactics