On Mon, Jan 26, 2009 at 3:20 PM, e <evier...@gmail.com> wrote:
> cool. Thanks for the info about #{}. I'm glad I learned about that. To
> learn even more, what is the reasoning behind that choice? I've seen the
> sharp used for other things in clojure; is there a connection?
It activates a special read-table for the following character, so it
is often used for "special" syntax.
See the "Dispatch" under macro characters here: http://clojure.org/reader
>
> On Mon, Jan 26, 2009 at 1:36 AM, Meikel Brandmeyer <m...@kotka.de> wrote:
>>
>> Hi,
>>
>> Am 26.01.2009 um 06:05 schrieb e:
>>
>>> interesting to me that <> wasn't used for anything to add to the "literal
>>> syntax". folks in another thread were using sequences for set theory. But
>>> maybe there needs to be a set notation. If that makes sense, {} should be
>>> sets, just like in math, <> should be vectors, just like in math, and []
>>> could be maps. I know, I know, it's kinda late to be arguing to change this
>>> stuff. Another idea that fits in better would be to use <> as an
>>> alternative to quoting a list . . . and still not do anything for sets.
>>
>> There is already literal syntax for all the collection types:
>>
>> - [] => vector
>> - {} => hash-map
>> - #{} => set
>>
>> What are you missing?
>>
>> Try to blend out experiences from other fields. Eg. we never
>> used <> for vectors in math, only (). So even this comparison
>> is only your personal experience. It's good to have such
>> experience when learning a new language, but it should not
>> get into your way. Whenever you end up with "But in this other
>> field/language we do/have/can ....", you should take a step
>> back and forget about the other field/language and look
>> simply at Clojure. We cannot cater all the previous experiences
>> of all the Clojure users....
>>
>> Just my 2ยข.
>>
>> Sincerely
>> Meikel
>>
>
>
> >
>
--
Venlig hilsen / Kind regards,
Christian Vest Hansen.
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