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@jlongster
jlongster / gist:1712455
Created January 31, 2012 19:37
traditional lisp macros
;; outlet code for implementing traditional macro expansion
;; macros
(define (expand form)
(cond
((variable? form) form)
((literal? form) form)
((macro? (car form))
(expand ((macro-function (car form)) form)))
@jlongster
jlongster / gist:1840230
Created February 16, 2012 00:03
tracing Outlet code
(trace-source (let ((i (+ 4 5)))
(+ i (* 2 (/ 3 4)))))
;; Output
(let ((i (+ 4 5)))
(+ i (* 2 (/ 3 4))))
-- (+ 4 5)
>> RESULT: 9
@ndarville
ndarville / business-models.md
Last active February 27, 2025 10:00
Business models based on the compiled list at http://news.ycombinator.com/item?id=4924647. I find the link very hard to browse, so I made a simple version in Markdown instead.

Business Models

Advertising

Models Examples
Display ads Yahoo!
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