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LOAD-TIME-VALUE [was: Re:... [Re: DEFSTRUCT and lexical environment]]
Kaz Kylheku <kkylheku(a)gmail.com> wrote: +--------------- | On 2009-10-25, Frank GOENNINGER <dg1sbg(a)googlemail.com> wrote: | The LOAD-TIME-VALUE form essentially does nothing special in code | which isn't compiled. Whenever it is evaluated, its enclosed form | is evaluated whenever it is. +--------------- Well... 25 Oct 2009 22:02
Trigger action when operating on a data structure
Let's say we have a set of lists. Is there a way to trigger specific actions by not only operating on those lists (i.e., push'ing and pop'ing) but also tweaking it's values? Thanks in advance, Rui Maciel ... 27 Oct 2009 05:53
translating cmucl command line to sbcl
Does anyone know how to translate cmucl UNIX command line to sbcl UNIX command line. The following works for cmucl. lisp -noinit -batch -quiet -eval '(some-expression)(ext:quit)' What is the sbcl equivalent? -jim ... 22 Oct 2009 17:29
Hoy to copy a struct that represents a tree.
Hello all, I'm trying to do one exercise from Paul Graham's "Ansi Common Lisp": The thing is that I don't know if I'm mistaken in the copy (the function called real-copy-my-tree) or in the comparison ( the function called my-tree- equal). Sorry for the big amount of code, most of it is the tree definition ... 25 Oct 2009 23:07
Reader ?
Just wanted to check what software you'll use for newsgroups ? Google groups is nice, but I would prefer a desktop app for offline reading ... Any suggestions ? I couldn't find any out there ... (I use a Mac) ... 30 Oct 2009 21:04
Error when install the Lispbox on Ubuntu
Hi all I try to install the Lispbox on hte Ubuntu 9.04. After I download the LispBox and unzip it, then I run the ./lispbox.sh , it gave me a error "Bad substitution". Does anyone know this error? Or how to install the LispBox on the Ubuntu? I am not familiar with the Linux. Best Regards, ... 20 Oct 2009 11:06
URL to image illustrating parenthesisfobia?
Quite some time ago somebody posted an URL to an image showing some Lisp code which were annotated "What you see", with blurred code and highlighted parenthesis. And then "What I see" (or something like that) with blurred parenthesis and highlighted code. Anybody have this URL? Petter -- A: Because it me... 26 Oct 2009 14:24
The history of multimethods
I'm doing a bit of research on the history of generic functions / multimethods / multiple dispatch systems. I was wondering if anyone could give me pointers on good places to look. I've already traced the idea back to OOPLSA 1986. Flavors http://portal.acm.org/citation.cfm?id=28697.28698 and CommonLoops http... 19 Oct 2009 07:30
case sensitiveness for reader/printer
Hi all, I know that clisp behaves in a case sensitive way when being started with -modern option passed via the command line. On the other side sbcl does not support -modern option at all - or any other command line switches related to case sensitiveness. I believe that there are ways to make reader/writer be ca... 14 Oct 2009 03:46
DEFSTRUCT and lexical environment
While working on the :include option, I came across a part of the spec that is silent on the lexical environment of the included struct. Here's an example: Start with (let ((x 99)) (defstruct foo (a (+ x 2)))) Making a FOO yields #S(FOO :A 101) ;; as you expect But if now we make BAR that includes FOO... 18 Oct 2009 22:42
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