Comments on: Arc-macros, baby. Arc-macros. (part II) http://4.flowsnake.org/archives/54 A Pythoneer's adventures with Chicken Scheme. ^_^ And more. Tue, 06 Jan 2009 23:51:20 +0000 http://wordpress.org/?v=2.6.5 By: Kon Lovett http://4.flowsnake.org/archives/54#comment-101 Kon Lovett Sat, 16 Feb 2008 02:55:50 +0000 http://4.flowsnake.org/archives/54#comment-101 If your domain is not boolean than take a look at "filter-map". Chicken uses the "cut" macro for '{foo _ 2 _}' - '(cut foo <> 2 <>)'. Not as concise but save thes '{}' brackets for something really important. If your domain is not boolean than take a look at "filter-map".

Chicken uses the "cut" macro for '{foo _ 2 _}' - '(cut foo <> 2 <>)'. Not as concise but save thes '{}' brackets for something really important.

]]> By: Hans Nowak http://4.flowsnake.org/archives/54#comment-57 Hans Nowak Thu, 31 Jan 2008 23:35:06 +0000 http://4.flowsnake.org/archives/54#comment-57 Well, I was talking about replacing all instances of X with Y, either shallow or nested. Note that I am not asking you to write the function for me! :-) I was just wondering why such a beast does not exist. Maybe it's not common enough an operation? Or is this another one-liner? :) Well, I was talking about replacing all instances of X with Y, either shallow or nested. Note that I am not asking you to write the function for me! :-) I was just wondering why such a beast does not exist. Maybe it's not common enough an operation? Or is this another one-liner? :)

]]> By: John Cowan http://4.flowsnake.org/archives/54#comment-56 John Cowan Thu, 31 Jan 2008 22:59:26 +0000 http://4.flowsnake.org/archives/54#comment-56 Because it's a one-liner: (define (set-elt! lst n obj) (set-car! (drop lst n) obj) Because it's a one-liner:

(define (set-elt! lst n obj) (set-car! (drop lst n) obj)

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