pro December 2012

pro@common-lisp.net

9 participants
3 discussions

[pro] What was wrong with environments as in CLTL2 pp. 207-214?
by Jean-Claude Beaudoin 15 Dec '12

15 Dec '12

Dear all, I am currently implementing the environments interface described in section 8.5 of CLTL2 (pp. 207-214) for MKCL. It feels like a very natural extension of what was already part of the code of the Lisp-to-C compiler MKCL inherited. It feels so natural in fact that I cannot figure out why that feature has been pulled out of the final ANSI CL specification. [And I have a hell of time standing all those (declare (ignore env)) sprinkled all over the MKCL source code.] I think that some of you reading this list were there, part of the action, during those standardization days. Maybe you could shed some light on what was wrong with this part of the spec and motivated its removal. Cheers, Jean-Claude Beaudoin

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[pro] Phylosophical question on "syntactic" constructors
by Marco Antoniotti 05 Dec '12

05 Dec '12

Dear all, I was fooling around with reader macros to implement some - let's say - "tuple" syntax. Now, I am just curious about the general thinking on this. First of all, let's note that the problem here in the conflating of the "constructor" with the "printed representation" of an item. I.e., in Matlab you say >> [1, 2, 40 + 2] ans = 1 2 42 In CL, doing the simple thing, you get cl-prompt> [1 2 (+ 40 2)] [1 2 42] but cl-prompt> #(1 2 (+ 40 2)) #(1 2 (+ 40 2)) So, suppose you have your [ … ] reader macro, would you have it work "functionally" or "quoting-ly" (for want of a better word)? I am curious. Note that the Matlab-style version would not break referential transparency if you did not have mutations. best Marco Antoniotti -- Marco Antoniotti, Associate Professor tel. +39 - 02 64 48 79 01 DISCo, Università Milano Bicocca U14 2043 http://bimib.disco.unimib.it Viale Sarca 336 I-20126 Milan (MI) ITALY Please note that I am not checking my Spam-box anymore. Please do not forward this email without asking me first.

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[pro] ELS'13 CfP
by Christian Queinnec 02 Dec '12

02 Dec '12

;; ______ _ _____ _ __ ____ ;; | ____| | | / ____| ( ) /_ | |___ \ ;; | |__ | | | (___ |/ | | __) | ;; | __| | | \___ \ | | |__ < ;; | |____ | |____ ____) | | | ___) | ;; |______| |______| |_____/ |_| |____/ ;; ;; European Lisp Symposium 2013 - ELS'13 ;; Madrid, Spain ;; ;; June 3-4, 2013 ;; ;; http://els2013.european-lisp-symposium.org/ The purpose of the European Lisp Symposium is to provide a forum for the discussion and dissemination of all aspects of design, implementation and application of any of the Lisp and Lisp-inspired dialects, including Common Lisp, Scheme, Emacs Lisp, AutoLisp, ISLISP, Dylan, Clojure, ACL2, ECMAScript, Racket, SKILL, Hop and so on. We encourage everyone interested in Lisp to participate. The main theme of the 2013 European Lisp Symposium is on the use of these languages with respect to the current grand challenges: big tables, open data, semantic web, network programming, discovery, robustness, runtime failures, etc. The European Lisp Symposium 2013 solicits the submission of papers with these specific themes in mind, alongside the more traditional tracks which have appeared in the past editions. We invite submissions in the following forms: Papers: Technical papers of up to 15 pages that describe original results or explain known ideas in new and elegant ways. Demonstrations: Abstracts of up to 4 pages for demonstrations of tools, libraries, and applications. Tutorials: Abstracts of up to 4 pages for in-depth presentations about topics of special interest for at least 90 minutes and up to 180 minutes. Lightning talks: Abstracts of up to one page for talks to last for no more than 5 minutes. All submissions should be formatted following the ACM SIGS guidelines and include ACM classification categories and terms. For more information on the submission guidelines and the ACM keywords, see: http://www.acm.org/sigs/publications/proceedings-templates and http://www.acm.org/about/class/1998. Submissions should be directed, before March 1st, to https://www.easychair.org/conferences/?conf=els13 Invited speakers: Florian Loitsch, Google: Dart, why you should care. GÈrard Assayag, Ircam: Lisp and Music Research. Important dates: March, 1st 2013: submission deadline April, 5th 2013: acceptance results June, 3-4 2013: symposium Program Commitee: Pascal Costanza, Intel, Belgium Ludovic Courtes, INRIA, France Theo D'Hondt, Vrije Universiteit Brussel, Belgium Florian Loitsch, Google, Denmark Christian Queinnec, UPMC, France Kurt Noermark, Aalborg University, Denmark Olin Shivers, Northeastern University, USA Manuel Serrano, INRIA, France Didier Verna, EPITA, France Chair: Juan Jose Garcia-Ripoll, local organizer Christian Queinnec, PC co-chair Manuel Serrano, PC co-chair --

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pro December 2012