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Redox OS - an OS built entirely out of Rust
(www.redox-os.org)
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this post was submitted on 21 Dec 2023
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From my personal experience I can tell you 2 reasons. The first is that this is the first general purpose language that can be used for all projects. You can use it on the web browser with web assembly, it is good for backend and it also is low level enough to use it for OS development and embedded. Other languages are good only for some thing and really bad for others. The second reason is that it is designed around catching errors at compile time. The error handling and strict typing forces the developer to handle errors. I have to spend more time creating the program but considerably less time finding and fixing bugs.
I feel like C++ is as competent as Rust for any project and it's definitely older.
Rust was created because c++ was so bad. Just take a look at crates they need a whole lot less maintenance because less bugs.
My point wasn't that C++ is good. My point was that C++ can and is used everywhere (desktop applications, web applications, OSs,...) and is older than Rust. So I feel that "this is the first general purpose language that can be used for all projects" is false. Probably "this is the first general purpose language that I (and many others) like to use for all projects" is true, but is a different claim.
TLDR: You said Rust was first language capable of system, app and web, it isn't.
It is good and rust improves on its gaping weaknesses.
Yeah I never made that claim the threads OP did.
It depends on what “can be used” means. I really like C# and it “can be used” for that full stack C# for example can write out native machine code, can manually and precisely lay out memory, and can directly link to assembly language routines. You can write an OS in C#. Even as a fan though, I would certainly argue that it is the wrong tool for that job.
In the same vein, while I know C++ “can” be used for web dev, I would argue that anybody that tries to do so for any significant project is insane.
I am not sure I would use Rust for “everything” but I do think the claim that Rust is one of the first languages where it is reasonable or practical to choose it for any of these uses is valid. Rust code can be very high level and often does not much different than a scripting language. At the same time, it can go as low-level as you want. This article is about an OS in Rust ( and there are few ). Web dev in Rust is totally reasonable and there are a few popular frameworks available. Rust has one of the best WASM stories around.