Heinz N. Gies wrote:
> On Jun 1, 2010, at 22:26 , Sina K. Heshmati wrote:
>>> "Heinz N. Gies" said:
>>>
>>> The DNS is fixed, try-clojure.org is now working too :)
>>
>> Not anymore! I was actually using it. I missed C-a C-k though.
>
>
alux wrote:
> no special form at all? Cool, I'll have a look.
>
> Chapter 4.1 and 4.2 actually sit on my desk already since yesterday -
> I just didnt read it. I hope I get a chance in the next days.
If you have the time and motivation, go for it. Please note that, the wizard
book had better be
"Heinz N. Gies" said:
> The DNS is fixed, try-clojure.org is now working too :)
Not anymore! I was actually using it. I missed C-a C-k though.
SinDoc
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"alux" said:
Hey alux,
> what an interesting discussion! Whoo! ;-)
>
> Many thanks four your comment.
>
>> So, if you have lazy-eval, there's no need for special-forms.
>
> This is obviousely correct for if / cond.
>
> Looking into the other special forms ( http://clojure.org/special_forms
>
Hi Meikel,
Meikel Brandmeyer wrote:
> On Mon, May 31, 2010 at 07:34:24AM +0200, Sina K. Heshmati wrote:
>
>> > (defn make-module
>> > []
>> > (let [state (atom 0)
>> > say-hello (fn [] (println "Hello"))
>> >
Meikel Brandmeyer wrote:
> On May 31, 3:15 pm, "Sina K. Heshmati" wrote:
>
>> True but my main concern is security of a running application.
>> It could very well be that B is just a bunch of interactions,
>> in which case B can enter A's namespace.
>
Problem solved, see below.
Meikel Brandmeyer wrote:
> On May 31, 1:46 pm, "Sina K. Heshmati" wrote:
>
>> Here's my concern:
>>
>> - My program (A) is running.
>> - B is running on the same VM.
>> - B accesses the state of A.
>> - B alters
"Meikel Brandmeyer" said:
> On May 31, 10:58 am, "Sina K. Heshmati" wrote:
>
>> foo.datatype-01 => (reset! state 13)
> ^^^
>
> Again: of course you can! You are in the same namespace! In Clojure
> the "unit" is a namespace
"Sina K. Heshmati" said:
> "alux" said:
>
>> I got a very basic question about the concept of "special form". What
>> is correct, multiple selections allowed:
>>
>> [ ] A special form is what can be implemented by a macro.
>
>
"alux" said:
> I got a very basic question about the concept of "special form". What
> is correct, multiple selections allowed:
>
> [ ] A special form is what can be implemented by a macro.
Wrong. Macros cannot remove the need for special-forms, at least not in a real
interpreter. In a metaci
"Meikel Brandmeyer" said:
> On May 31, 9:37 am, "Sina K. Heshmati" wrote:
>
>> The atomic 'state' doesn't seem to be visible to the datatype methods. The
>> question is why?
>>
>> (defprotocol prot-a
>> (op-a [self x y])
Sina K. Heshmati wrote:
> Meikel Brandmeyer wrote:
>> Am 30.05.2010 um 16:39 schrieb Sina K. Heshmati:
>>
> I'll later try to see if I can export datatypes from within a closure.
The atomic 'state' doesn't seem to be visible to the datatype methods. The
Hi Meikel,
Meikel Brandmeyer wrote:
> Am 30.05.2010 um 16:39 schrieb Sina K. Heshmati:
>
>> [2]
>> http://github.com/sindoc/algorithms/blob/master/src/test/clojure/whiteboard/y2010/hide-adt-state-using-closure.clj
>
> I'm almost sure, that this code does not what
"Adrian Cuthbertson" said:
>> That said, I'd rather make sure that my low-level data structures are being
>> operated on by only one implementation.
>
> You could use closures to encapsulate the refs/atoms ...
>
> (let [car-mem (ref nil)]
> (defn set-car-mem [new-car-mem]
> (dosync (ref-
Krukow wrote:
> Sina K. Heshmati wrote:
> [snip]
>> The only member data _I'm_ able find are the ones that are passed to the
>> default
>> constructor, namely at the time that the abstraction is reified. What if I'd
>> have
>> to give create a mem
Hi Krukow,
Krukow wrote:
> SinDoc wrote:
>> I was wondering if someone could point me to recent usage examples of
>> deftype, defrecord, and reify. Reading [1] helped a lot but it wasn't
>> particularly easy to find it since it's not linked from the sidebar.
>
> Blog: http://blog.higher-order.net
Hi Meikel,
Meikel Brandmeyer wrote:
> SinDoc wrote:
>> I was wondering if someone could point me to recent usage examples of
>> deftype, defrecord, and reify. Reading [1] helped a lot but it wasn't
>> particularly easy to find it since it's not linked from the sidebar.
>>
>> Specifically, what I'd
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