a few fixes. still not there yet.
(defn elisort [toSort]
(with-local-vars [my-list (for [x toSort] [x])]
(while (rest (var-get my-list))
(let [[l1 l2 & my-list2] (var-get my-list)]
(var-set my-list (concat my-list2 (listmerge [l1] [l2])))) (first
(var-get my-list)))))
On Mon, Jan 12, 2009 at 1:47 AM, e <evier...@gmail.com> wrote:
> I'm not planning on programming like this, but just to try to finish this
> up . . . .it's still not working. I get an odd error when I actually try to
> sort something that iSeq doesn't work on integers. I have no idea where to
> still the (first my-list) at the end so it returns, too. No need to reply,
> per se. Just reporting on how far I got tonight. I'm sure someone answered
> this already and I haven't read through it all enough.
>
> (defn listmerge [l1 l2]
> (let [l1first (first l1) l2first (first l2)]
> (cond
> (empty? l1) l2
> (empty? l2) l1
> (< l1first l2first)
> (cons l1first (listmerge (rest l1) l2))
> :else
> (cons l2first (listmerge (rest l2) l1))))))
>
> (defn msort [toSort]
> (with-local-vars [my-list (for [x toSort] [x])]
> (while (rest (var-get my-list))
> (let [[l1 l2 & my-list2] (var-get my-list)]
> (var-set my-list (concat my-list2 (listmerge l1 l2)))) (first
> my-list))))
>
> ;; test it out
> (msort [4 53 54 3 5 7 8])
>
>
>
> On Mon, Jan 12, 2009 at 1:29 AM, e <evier...@gmail.com> wrote:
>
>> looks like an awesome book. will check it out more. thanks.
>>
>>
>> On Mon, Jan 12, 2009 at 1:06 AM, Josip Gracin <josip.gra...@gmail.com>wrote:
>>
>>>
>>> On Sun, Jan 11, 2009 at 10:33 PM, e <evier...@gmail.com> wrote:
>>> > thanks for your patience. I think I'm starting to get it.
>>> > Interesting discussion on tail recursion.
>>>
>>> Just to add $0.02... The fact that 'recur' in Clojure is actually used
>>> to implement iterative and not recursive processes is easier to
>>> understand after reading SICP (chapter 1,
>>> http://mitpress.mit.edu/sicp/full-text/book/book.html).
>>>
>>> >>>
>>>
>>
>
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