Gour wrote on 2/2/19 4:04 AM:
I've to decide between Racket and Julia as language of choice for writing
desktop app. Racket's advantage is that its GUI support is provided out of the
box, while in Julia I'd probably have to use Gtk.jl as the best supported
package since I do not want to use Electron or some other JS/browser-based
things.
That's an unusual shortlist of candidates. Does this desktop app do
heavy numeric computation? Or is your organization already invested in
Julia for numeric, and you'd like to also use it for GUI if you can?
Maybe a year or two ago, I asked about Julia for systems-ish programming
(like low-level operating systems code, and high-performance server
I/O), and, at the time, it sounded like the performance for that was not
there -- Julia was initially focused on numeric performance.
If you want to evaluate Racket for desktop GUI apps, I suggest:
1. Try DrRacket on all your platforms, and see how responsive and how
platform-native-looking the widgets are on those. Note that a few
things DrRacket does are more compute-intensive than most desktop apps
(such as evaluating child programs with debugging info), but you can get
an idea.
2. Look in the Racket documentation for what the cross-platform GUI
toolkit (and the separate "Framework" stuff) provide. They provide the
usual basic widgets, plus some non-usual DrRacket editor functionality,
but they don't have as much widgets as some toolkits have (so make sure
it has what you need, or be prepared to code what's missing).
https://docs.racket-lang.org/gui/Widget_Gallery.html
https://docs.racket-lang.org/gui/Windowing_Classes.html
https://docs.racket-lang.org/framework/index.html
If you have numeric performance requirements (if that's why you're
looking at Julia), are those functions covered by particular libraries
you might call from Racket from C, Fortran, or R? Or do you want to try
coding those functions in Typed Racket?
Leaving aside other language features' pros/cons, I was a bit surprised when someone
in Julia's channel responded to me with: "Racket is pretty amazing, but I
stopped looking into it after I figured, that it can't really be made fast
language...
That's when someone says "Challenge accepted." :)
But seriously, the question then is "Fast *for what*?"
BTW, I've run Racket on old WiFi routers and old smartphones:
https://www.neilvandyke.org/racket-openwrt/
https://www.neilvandyke.org/postmarketos/
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