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What programming language ruby, python og javascript? (sh.itjust.works)

submitted 6 months ago* (last edited 6 months ago) by [email protected] to c/programming

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I'm looking for a programming language that can help me build a desktop application for Windows, macOS, and Linux that's not big but not small either. Additionally, I'd like to be able to build a website with the same language. I've been considering Ruby, Python, Golang and JavaScript. Python seems to be mainly used for scripting and ai, so I'm not sure if it's the best fit. JavaScript has a lot of negative opinions surrounding it, while Ruby sounds interesting. Can anyone recommend a language that meets my requirements?

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[–] FizzyOrange 0 points 5 months ago* (last edited 5 months ago) (1 children)

I think you're getting a bit confused. How do you know where x's type is defined and therefore where x.bar is defined if you don't know what type x is? It's literally impossible. Best you can do is global type inference but that has very big limitations and is not really feasible in a language that wasn't designed for it.

Do you think that formatters for dynamic languages need to know the type in order to format them properly? Then why in the world would you need it to know where to jump to in a type definition!?!

Not sure if that is a serious question, but it's because formatting doesn't depend on the type of variables but going to the definition of a field obviously depends on the type that the field is in.

Maybe my example was not clear enough for you - I guess it's possible you've never experienced working intellisense, so you don't understand the feature I'm describing.

class A:
  bar: int

class B:
  bar: str

def foo(x):
  return x.bar

Ctrl-click on bar. Where does it jump to?

[–] tyler 1 points 5 months ago (1 children)

Not sure if that is a serious question, but it’s because formatting doesn’t depend on the type of variables but going to the definition of a field obviously depends on the type that the field is in.

formatting does depend on the type of variables. Go look at ktfmt's codebase and come back after you've done so...

Maybe my example was not clear enough for you - I guess it’s possible you’ve never experienced working intellisense, so you don’t understand the feature I’m describing.

Lol, nice try with the insult there. I code in Kotlin, my intellisense works just fine. I just think you're quite ignorant and have no clue what you're actually talking about.

Ctrl-click on bar. Where does it jump to?

it gives you an option, just like if it was an interface. Did you actually try this out before commenting? Guessing not. And how often are you naming functions the exact same thing across two different classes without using an interface? And if you were using an interface intellisense would work the exact same way, giving you the option to jump to any of the implementations.

I'm sorry, but you clearly haven't thought this out, or you're really quite ignorant as to how intellisense works in all languages (including Ruby, and including statically typed languages).

[–] FizzyOrange 1 points 5 months ago

formatting does depend on the type of variables. Go look at ktfmt’s codebase and come back after you’ve done so…

I skimmed it. It appears to visit the AST of the code and format that, as any formatter does. ASTs have not been type checked.

Can you give an example?

it gives you an option, just like if it was an interface. Did you actually try this out before commenting?

Precisely! It doesn't know the answer so it has to guess, or make you guess.

And how often are you naming functions the exact same thing across two different classes without using an interface?

You mean how often does the same field name come up more than once? All the time obviously! Think about common names like id, size, begin, children, etc. etc.

I’m sorry, but you clearly haven’t thought this out, or you’re really quite ignorant as to how intellisense works in all languages (including Ruby, and including statically typed languages).

I'm sorry but you clearly haven't thought this through, or you're just happy to ignore the limitations of Ruby. I suspect the latter. Please don't pretend they aren't limitations though. It's ok to say "yes this isn't very good but I like Ruby anyway".