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is Rust really that powerful / intuitive? (programming.dev)

submitted 1 year ago by [email protected] to c/[email protected]

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Hello all,

I am a data center engineer of about 8 years now. I've spent the last 3 years or so slowly learning Python(I say slowly not because of my effort, but because learning Python was actually very difficult for me.) I am not an expert in any way shape or form, I understand the concepts of OOP, inheritance, classes, functions, methods, etc and I have found that the python documentation that can be found within the language is usually enough for me to be able to write the programs that I want to write. Very rarely have I had to write programs that have to bypass the GIL, but occasionally, I have created threadpools for applications that are not I/O intensive. What I'm saying is, for most things that I create, performance is enough with Python.

However, I have been inspired by how much love Rust is getting from the people who use Rust. I have tried to find some books for using Rust for network automation and unfortunately I have not been able to find any reputable books.

Most of the "automation" work that I do involves parsing data with regex, restructuring the data, converting the data into a modeled format and transforming something with that data. Does anyone have any common use cases for Rust that might interest me? Has anyone used Rust for network automation tools? With familiarity, can Rust's intuitiveness match Python's "from idea to deployment" speed? Or should I only learn Rust if I intend to create applications that need tight performance?

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[–] [email protected] 4 points 1 year ago (1 children)

Go doesn't let you control memory, avoid garbage collector, or compile well to a microcontroller, no? It's been a while since I paid attention.

[–] [email protected] 3 points 1 year ago

You're right - though I don't know about the 'control memory' part. However, the other person is addressing the use-case of 'network automation', not of microcontrollers. There it really doesn't matter what the exact memory layout is, or if GC stops your job for a microsecond. Go is sufficient for that. Go is sufficient even for many web backends and network infrastructure. In fact, much of kubernetes is written in Go.

I use Rust for where one would normally use a shell script. But I have been using it for nearly a decade now (yes, I started before it reached 1.0). I have gotten used to the strict type system and even rely on it to write proper code. I also have a background in hardware - so much of it makes sense to me. Even so, I can't recommend Rust to a beginner who values productivity. Rust takes a lot of time getting used to. And no matter how you try, you will never be as fast as you are with python or go. It's not always bad considering what you get in return for the sacrifice. But it's better to set your expectations straight.