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Because C++ is a stable, reliable and well supported (read: production-ready) language that works on many platforms. Last I heard D was definitely not all of t

Because C++ is a stable, reliable and well supported (read: production-ready) language that works on many platforms. Last I heard D was definitely not all of those (it doesn't even have a straight story on garbage collection, as its creator said himself! [1]), and I'm not sure about Rust or Nim. [1] https://www.quora.com/Which-language-has-the-brightest-future-in-replacement-of-C-between-D-Go-and-Rust-And-Why/answer/Andrei-Alexandrescu https://www.quora.com/Which-language-has-the-brightest-futur...

steveklabnik 8y ago
Rust is used in production by hundreds of companies, from ones as large as Facebook, Amazon, and Microsoft, down to tiny new startups.
- snovv_crash 8y ago
  What is the state of UI bindings?
  - steveklabnik 8y ago
    GTK is coming along really well. There’s two different native-to-Rust ones in progress I’m excited about. It’s not my area of specialty though.
- gumby 8y ago
  As is C++ at all of those companies.
  - steveklabnik 8y ago
    Sure. The question was if Rust was production ready, it has nothing directy to do with C++. Everyone knows C++ is production ready.
- int_19h 8y ago
  The visual tooling is still very meh though. Just compare the kind of code completion you get for C++ (even something as gnarly as Boost) in modern IDEs, to what RLS can do in VSCode.
  - steveklabnik 8y ago
    IntelliJ is heavily investing, and it’s already showing. We are too: https://ferrous-systems.com/blog/rust-analyzer-2019/ https://ferrous-systems.com/blog/rust-analyzer-2019/ But yeah, if that matters to you, it’s less mature. We’ll get there!
earenndil 8y ago
I wouldn't say that d "doesn't have a straight story on garbage collection." It's solidly a garbage-collected language, and although there is interest in changing it, it's not there yet. D isn't entirely stable (features regularly get deprecated and then removed over the course of 5-10 versions), but why do you say it isn't reliable?
- FartyMcFarter 8y ago
  D's creator said himself (in the link I posted) that its garbage collection implementation is lackluster. To clarify, I didn't necessarily mean that D is not reliable, just that it doesn't have the combination of stable+reliable+supported that C++ enjoys.

steveklabnik 8y ago

Rust is used in production by hundreds of companies, from ones as large as Facebook, Amazon, and Microsoft, down to tiny new startups.

snovv_crash 8y ago
What is the state of UI bindings?
- steveklabnik 8y ago
  GTK is coming along really well. There’s two different native-to-Rust ones in progress I’m excited about. It’s not my area of specialty though.
gumby 8y ago
As is C++ at all of those companies.
- steveklabnik 8y ago
  Sure. The question was if Rust was production ready, it has nothing directy to do with C++. Everyone knows C++ is production ready.
int_19h 8y ago
The visual tooling is still very meh though. Just compare the kind of code completion you get for C++ (even something as gnarly as Boost) in modern IDEs, to what RLS can do in VSCode.
- steveklabnik 8y ago
  IntelliJ is heavily investing, and it’s already showing. We are too: https://ferrous-systems.com/blog/rust-analyzer-2019/ https://ferrous-systems.com/blog/rust-analyzer-2019/ But yeah, if that matters to you, it’s less mature. We’ll get there!

earenndil 8y ago

I wouldn't say that d "doesn't have a straight story on garbage collection." It's solidly a garbage-collected language, and although there is interest in changing it, it's not there yet. D isn't entirely stable (features regularly get deprecated and then removed over the course of 5-10 versions), but why do you say it isn't reliable?

FartyMcFarter 8y ago
D's creator said himself (in the link I posted) that its garbage collection implementation is lackluster. To clarify, I didn't necessarily mean that D is not reliable, just that it doesn't have the combination of stable+reliable+supported that C++ enjoys.