Well, the issue raised here was, how do you realize non concatening [a b c]? This seems impossible now, even though that there are quite a few use cases for it...
2015-02-25 23:13 GMT+01:00 Stefan Karpinski <[email protected]>: > I actually think the plan of [a,b,c] for construction without > concatenation and [a;b;c] and [a b c] for concatenation is pretty good. I > no longer feel that there's any need for a new bracket like [| |]. The > thing that clicked for me is that [a;] isn't really concatenation at all > anyway. > > On Wed, Feb 25, 2015 at 4:58 PM, Simon Danisch <[email protected]> wrote: > >> As Julia was the first language to introduce me to this kind of >> constructs, I'm not sure about your used terms. >> Concatenate for me would firstly mean, to just connect elements (that's >> at least what the German translation suggests), which I would apply to the >> process of putting the elements together into one array. The elements in my >> case are the Vectors. >> You seem to use it as synonymous with concatenation + flattening >> (sticking to the function names I guess). >> I'd say [a,b] is supposed to concatenate, but shouldn't flatten, right? >> So yes, different syntax for concatenating, and concatenating+flattening >> would make this case much, much clearer. >> Then it's not this fuzzy magic thing, that sometimes happens and >> sometimes not and both clearly encapsulates a concept and use the same >> basic syntax. >> So: >> [vec, vec] => [vec, vec] # With optional typing, ensuring that you don't >> end up with Any[] >> [vec vec] => [vec vec] # With optional typing, ensuring that you don't >> end up with Any[] >> >> [| vec, vec |] => [el1, el2, el3, el4, ...]# With optional typing, >> ensuring that you don't end up with Any[] >> [| vec vec |] => [el el2 ; el3 el4]# With optional typing, ensuring that >> you don't end up with Any[] >> >> I do think, that this is very clear and consistent and doesn't leave >> anything in doubt! >> >> >> Am Mittwoch, 25. Februar 2015 19:00:01 UTC+1 schrieb Simon Danisch: >> >>> Hi there, >>> I thought default concatenation was deprecated, to make it easier to >>> create arrays of arrays... But it became rather impossible and confusing in >>> the horizontal case, from what I see. >>> Is there really not a single method left from the few ways in 0.35 of >>> creating a horizontal vector of vectors? >>> 0.4: >>> https://gist.github.com/SimonDanisch/6972c1c090c608738e83#file-cat0-4-jl >>> 0.3.5: >>> https://gist.github.com/SimonDanisch/058ef76b2583c620b667#file-cat3-5-jl >>> >>> Am I missing something, or is this a bug?! >>> >>> Best, >>> Simon >>> >> >
