On Mon, Sep 10, 2012 at 2:15 PM, Marko Topolnik
<marko.topol...@gmail.com> wrote:
>> Java has arrays, lists, maps and sets, so does Ruby and Erlang.
>>
>> If they were redundancies in these structures, can't see why these three
>> still
>> maintain this distinction. It's probably a safe bet to say that we need to
>> convey these
>> nuances in edn somehow.
>
>
> Let's keep this in perspective: this is not about conveying and not
> conveying. If edn had only vectors, the nuance could still be conveyed
> through a tag. This is ONLY about what gets baked in and what is left over
> to extensions.
>
> Take a similar example from Java: there are no list/set/map literals in it.
> Sure, you can write an API call that mimics it, but it's nowhere near as
> convenient as a native construct. So, do we want edn to support the
> list/vector distinction only through extensions? Have our data files riddled
> with #list annotations? This is a strong argument in favor of the feature
> from the Clojure folks' perspective, while on the opposite side we have a
> quite weak motivation to make the format a tiny bit simpler to parse.

Having written (most of) a recursive decent parser for edn over the
weekend, I submit that the difference in complexity introduced by
supporting both [ ] and ( ) as opposed to supporting only one of them
is not worth worrying about.

// Ben

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