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Rustlings
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[Media] I'm comparing writing a double-linked list in C++ vs with Rust. The Rust implementation looks substantially more complex. Is this a bad example? (URL in the caption)
itโs even written by the same person that wrote the Nomicon (the guide to the dark arts of unsafe)
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Rust books to read
If you want to dive deeper you can always have other options but now there are concrete cases, if you want to do low level thing https://doc.rust-lang.org/nomicon/ while if you want multi thread/concurrency stuff https://marabos.nl/atomics/ . There are many many books so you will have to point yourself to what you want
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Thread-shared boolean flag
Nonononono. SeqCst is the most error prone memory order: https://github.com/rust-lang/nomicon/issues/166
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[Media] Hashmap behaviour inside a loop due to lifetime issue
Hope this helps. For more details, see the Rustonomicon. I referenced the subtyping chapter here extensively.
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Unsafe Rust
Nice video! Glad I could help out. This stuff is hard, and I'm still learning a lot about it myself even years later. The Rustonomicon is a great read if you haven't already.
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Stepping up the YAML engineer game
Have you got a moment to read through the good book , after reading through this perhaps try the Rustonomicon.
- Questions about ownership rule
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CppCon 2022 Best Practices Every C++ Programmer Needs to Follow โ Oz Syed
That is not what UB means. Undefined Behaviour is behaviour that the compiler is allowed to assume will never happen, and which can consequently cause miscompilations due to optimisation passes gone wrong if it does in fact occur in the source code.
It's true that Rust does not have a written specification that clearly delineates what is and isn't UB in a single place. But:
1. UB is impossible in safe code (modulo bugs in unsafe code)
2. There are resources such as the Rustinomicon (https://doc.rust-lang.org/nomicon/) that provide a detailed guide on what is and isn't allowed in unsafe code.
In practice, it's much easier to avoid UB in Rust than it is in C++.
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How to write deserializer for custom binary protocol?
However, this is a wide topic out of scope for a Reddit comment, so maybe just read the Rustonomicon. It explains everything about data handling in Rust.
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Performance critical ML: How viable is Rust as an alternative to C++
The ownership model & borrow checker makes rust a bit of an awkward language in which to write complex data structures like trees and graphs. It can be done - since you can always use raw pointers & unsafe code when you absolutely need to to treat rust like C. But the language fights you, and the community can get a bit moralistic about this sort of thing. The rust nomicon is a fantastic resource for learning the limits of the borrow checker, and where and how to use unsafe code correctly. You will need unsafe less than you think you will, but sometimes you will have no choice.
Rustlings
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GPUI 2 is now in production โ Zed
Zed is great, have been using it to do the Rustlings exercises and learn Rust:
https://github.com/rust-lang/rustlings
If you've been looking for an excuse to learn Rust, check it out.
- I'm looking for practical Rust exercises
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Avoid nested matches
Doing the rustlings conversions/from_into task which asks
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Rustlings is the greatest thing ever
However, I stumbled across Tauri (as a replacement for Electron), and installed Rust just to get Tauri to work. A few days later, I installed Rustlings (https://github.com/rust-lang/rustlings) on a whim, and did the first exercise.
- CodeCrafters CEO adds his paid service as a next step after finishing Rustlings
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Learning Zig
Rust also has something similar which is where I believe Zig drew inspiration from as well: https://github.com/rust-lang/rustlings
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Bevy XPBD: A physics engine for the Bevy game engine
Rustlings gives a great introduction to the language:
https://github.com/rust-lang/rustlings
Disclaimer: I write JavaScript
- Learning Rust Recommendations?
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Hi Iโm a total newbie to programming but wants to learn rust as a first language.
Consider solving puzzles and exercises from rustlings and / or try the Rust track at exercism which I found very valuable.
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Reached a new benchmark today, completed 1000 problems
Rustlings(for learning by doing): https://github.com/rust-lang/rustlings
What are some alternatives?
book - The Rust Programming Language
rust-koans - Koans for the Rust programming language
mdBook - Create book from markdown files. Like Gitbook but implemented in Rust
rust-by-example - Learn Rust with examples (Live code editor included)
rust-ffmpeg - Safe FFmpeg wrapper.
Exercism - Scala Exercises - Crowd-sourced code mentorship. Practice having thoughtful conversations about code.
Theseus - Theseus is a modern OS written from scratch in Rust that explores ๐ข๐ง๐ญ๐ซ๐๐ฅ๐ข๐ง๐ ๐ฎ๐๐ฅ ๐๐๐ฌ๐ข๐ ๐ง: closing the semantic gap between compiler and hardware by maximally leveraging the power of language safety and affine types. Theseus aims to shift OS responsibilities like resource management into the compiler.
Exercism - website - The codebase for Exercism's website.
rust-learning - A bunch of links to blog posts, articles, videos, etc for learning Rust
miri - An interpreter for Rust's mid-level intermediate representation
rust-by-practice - Learning Rust By Practice, narrowing the gap between beginner and skilled-dev through challenging examples, exercises and projects.