At least in edn they're not necessary:
The delimiters { } ( ) [ ] need not be separated from adjacent elements by
> whitespace.
>
I'd argue that it's more consistent to treat all elements the same,
however, be they collection, keyword, symbol or whatever else.
On Sat, 23 Jun 2018 at 00:34, Didier <[email protected]> wrote:
> Hi,
>
> I've noticed that it seems you can omit the space between brackets, and
> everything still parses as normal. I tend to prefer doing that in some
> instances, for example:
>
> (fn[a b] (+ a b))
>
> It seems to hold in all scenarios, for example:
>
> [1 '...[2 3]]
>
> Yields [1 '... [2 3]]
>
> And
>
> [1[2[3]]]
>
>
> Yields [1 [2 [3]]]
>
> Or
>
> (defn add[a b] (+ a b))
>
> Etc.
>
> So my question is: *Is this an official parse rule for Clojure and its
> dialects like ClojureScript, ClojureCRL and EDN, or the fact this works is
> accidental, and shouldn't be relied on?*
>
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--
James Reeves
booleanknot.com
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