On Nov 8, 10:08 pm, Aquahappy wrote:
> Hi Jim,
>
> Thanks so much! Using 'def' instead of 'defn' when defining a function
> composed of functions was what I was missing.
>
> I can't believe I spent an hour trying to figure this out -- it seems
> very obvious now. Doh!
>
> :)
Notice that the Scheme
Hi Jim,
Thanks so much! Using 'def' instead of 'defn' when defining a function
composed of functions was what I was missing.
I can't believe I spent an hour trying to figure this out -- it seems
very obvious now. Doh!
:)
On Nov 8, 6:50 pm, Jim Crossley wrote:
> Hi
>
> Aquahappy writes:
>
> [.
Hi
Aquahappy writes:
[...]
> 1: (define (compose f g) (lambda (x) (f (g x
> 2: (define (twice f) (compose f f))
> 3: (define fourth (twice sq))
> 4: (fourth 3)
>
> I've gotten this far and then I get stuck when I try to do line 2 from
> the above:
>
> 1: (defn compose [f g] #(f (g %)))
Hi Joshua,
I've gotten this far and then I get stuck when I try to do line 2 from
> the above:
> 1: (defn compose [f g] #(f (g %)))
Try (defn compose [f g] (fn [x] (f (g x
On Wed, Nov 9, 2011 at 9:10 AM, Aquahappy wrote:
> Hi All,
>
> I'm working through Brian Harvey's 61a 2008 SICP lect
Hi All,
I'm working through Brian Harvey's 61a 2008 SICP lecture (http://
www.youtube.com/watch?v=ljOrUCqsixs) and could really use a hand
translating a couple of simple lines from scheme to clojure.
Here is the code:
1: (define (compose f g) (lambda (x) (f (g x
2: (define (twice f) (compo
