Here is a version with 'type' annotations that should be easier to read and
learn from.
#lang racket
;; -
;; library module
;; syntax def
;; definition = ... | (struct/kw name (field ...) options ...)
;; meaning:
In case anyone missed it: Mattew has written a blog post on the graphics layer.
http://blog.racket-lang.org/2010/12/racket-version-5.html
There is a lengthy discussion at Hacker News.
http://news.ycombinator.com/item?id=1983881
--
Jens Axel Søgaard
__
On Wed, 8 Dec 2010 14:39:52 -0500
Matthias Felleisen
wrote:
>
>
>
> #lang racket
>
> ;;
> -
> ;;
> library module
>
> ;; syntax def
> ;; definition = ... | (struct/kw name (field ...) options ...)
> ;; meaning:
Thanks Robby!
On Wed, Dec 8, 2010 at 4:13 AM, Robby Findler
wrote:
> PS: check out this paper for an algorithm:
>
> http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.54.8909
>
> Robby
>
> On Wed, Dec 8, 2010 at 6:11 AM, Robby Findler
> wrote:
> > Yes, outside in. Inside out doesn't work b
#lang racket
;; -
;; library module
;; syntax def
;; definition = ... | (struct/kw name (field ...) options ...)
;; meaning: (struct name (field ...) options ...)
;; plus keyword-based c
On Wed, 8 Dec 2010 10:25:47 -0500
Matthias Felleisen
wrote:
>
> #lang racket
>
> ;;
> -
> ;;
> library module
>
> ;; syntax def
> ;; definition = ... | (struct/kw name (field ...) options ...)
> ;; meaning:
Does anyone have a good example of using the built-in logger and log
levels, particularly how one can alter the log-level on the fly
without restarting (to pass a CLI parameter or change an ENV var).
Thanks.
(Kudos to the IRC folks for their help too!)
---
#lang racket
;; -
;; library module
;; syntax def
;; definition = ... | (struct/kw name (field ...) options ...)
;; meaning: (struct name (field ...) options ...)
;; plus keyword-based con
Manfred Lotz writes:
> In Common Lisp I can define something like this:
> (defvar *db* nil)
> (defun make-book (&key author title)
> (list :author author :title title))
> (defun add-record (book) (push book *db*))
> (add-record (make-book :author "John Grisham" :title "The Client"))
> I like to
2010/12/7 Matthias Felleisen :
> Define a Scribble function like this:
>
> (define (exact . items)
> (make-element (make-style "identity" '(exact-chars))
> items))
> (provide exact)
It (finally) dawned on me that I have two problems.
I thougt this would display a YouTube player on
PS: check out this paper for an algorithm:
http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.54.8909
Robby
On Wed, Dec 8, 2010 at 6:11 AM, Robby Findler
wrote:
> Yes, outside in. Inside out doesn't work because the expander only
> knows where the inside is when it sees a core (fully exp
Yes, outside in. Inside out doesn't work because the expander only
knows where the inside is when it sees a core (fully expanded) form.
Robby
On Wed, Dec 8, 2010 at 1:44 AM, YC wrote:
> Hi all -
> I have now implemented the pattern matching/transforming algorithm of a
> macro expander (no hygien
The element produced by exact will be displayed in both the HTML and
the PDF document.
The video embedding code should only be part of the HTML output, on the other
hand, the link to the video should only appear in the PDF document.
I need a way to know when not to produce an element.
I have writt
On Tue, 7 Dec 2010 02:15:42 -0500
Eli Barzilay wrote:
> If you still want to go with the regexp approach ...
>
many thx eli and yc!
yc's format idea will suffice for now - in fact, its simplicity is a bit
humbling considering the elaborate stuff we'd written up. :D
i will most certainly make
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