Denis: Thanks for the link. Looks interesting. Between it and the Euler Project, I should continue learning Clojure.
Regards, Joe On Monday, July 23, 2012 10:53:56 AM UTC-5, Denis Labaye wrote: > > Hi, > > On Mon, Jul 23, 2012 at 5:38 PM, Joe Hughes <jwhughe...@gmail.com> wrote: > >> All, >> >> I figured it out. Still trying to get Functional Programming ideas >> in my head. >> > > The macro defspel is not functional programming, it's dark Lisp's macro > Voodoo. > > I would not advise starting Clojure with macros, you should start with > something with a smoother learning curve like: http://www.4clojure.com/. > > That said, I red "The Land Of Lisp" before learning Clojure, and it's a > great book. > Transposing Common LISP to Clojure may not be a good idea though. > > My advice would be: If you want to learn Common Lisp before Clojure it's a > great idea (you will enjoy Clojure much more :), but take the time to learn > the language. > If you want to directly learn Clojure, then take a good book (Clojure > Programming - 2012, Practial Clojure - 2010 or Joy Of Clojure - 2011) + > some practical work like 4clojure.com. > > Cheers, > > Denis > > >> >> Regards, >> Joe >> >> >> On Friday, June 29, 2012 11:11:56 AM UTC-5, Joe Hughes wrote: >>> >>> All, >>> >>> I've been playing with Clojure and found this website, >>> http://www.lisperati.**com/clojure-spels/casting.html<http://www.lisperati.com/clojure-spels/casting.html> >>> **. Typed the code into Clojure 1.4.0 and got the issue below. Here >>> is the code in question. >>> >>> >>> (defmacro defspel [& rest] `(defmacro ~@rest)) >>> >>> >>> (defspel game-action [command subj obj place & args] >>> `(defspel ~command [subject# object#] >>> `(spel-print (cond (and (= location '~'~place) >>> (= '~subject# '~'~subj) >>> (= '~object# '~'~obj) >>> (have? '~'~subj)) >>> ~@'~args >>> :else '(i cannot ~'~command like that -))))) >>> >>> (game-action weld chain bucket attic >>> (cond (and (have? 'bucket) (def chain-welded true)) >>> '(the chain is now securely welded to the bucket -) >>> :else '(you do not have a bucket -))) >>> >>> >>> When I do >>> >>> >>> (weld chain bucket) >>> >>> >>> instead of getting >>> >>> >>> (you do not have a chain -) >>> >>> >>> I get >>> >>> >>> (i cannot weld like that -) >>> >>> >>> From what I'm reading (defspel game-action..., something isn't correct >>> and the result is the :else instead of the if. This was written using >>> Clojure 1.1, so if anyone has a solution about why this works in 1.1 and >>> not 1.4 I would like to hear it. >>> >>> >>> TIA, >>> Joe >>> >> -- >> You received this message because you are subscribed to the Google >> Groups "Clojure" group. >> To post to this group, send email to clojure@googlegroups.com >> Note that posts from new members are moderated - please be patient with >> your first post. >> To unsubscribe from this group, send email to >> clojure+unsubscr...@googlegroups.com >> For more options, visit this group at >> http://groups.google.com/group/clojure?hl=en >> > > -- You received this message because you are subscribed to the Google Groups "Clojure" group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en
