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Comment by internetter | Hacker News Reader

The Javascript and Python ecosystems, somewhat ironically, have begun using rust for their tooling, because the actual language is too slow.

Aside though: IMO python is good as "glue" between low level code. JS... I don't know man.

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My dream language/environment would be something that is ubiquitous, has a straight-forward learning curve, has a REPL, and empowers dev productivity - like python - but then, if i should choose, there would be an additional straight-forward path for me to push my code thhough some compilation process in order to supercharge the performance/speed of my code - like Go or Rust, etc...Basically let me choose to employ my code as a (dynamic) script, or compiled code...sort of like some hybrid of python and Go, or python and rust, etc. but combined into a single lang./env. :-)

Common Lisp, maybe?

I believe this is essentially the goal of Mojo [0][1], at least for ML/AI development.

[0] https://www.modular.com/max/mojo

[1] https://news.ycombinator.com/item?id=35790367

Another rabbit hole for me to discover! Thanks!

Clojure is probably closest to that right now.

Interesting; i guess i have a rabbit hole to dive into. Thanks forvthe suggestion!

That's Java. You can work in the REPL, and when you put your code in a file and launch it it runs fast; very fast.

I can't deny the performance and scalability of Java. But I've never been a fan of the need to be so verbose when coding for it. Also my memory of Java is from the late 90s...so maybe I'm missing something but I can't recall there ever being a REPL in Java. So I guess TIL :-)

Not only is there now a REPL, but the language is not at all what you remember from the 90s.

That is what Scala claims to be. https://www.scala-lang.org/

Scala has its own downsides tho. It is a "big" language in the sense that because it tries to do everything, there are too many ways to do one things.

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