rust-how-do-i-start
gccrs
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rust-how-do-i-start | gccrs | |
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10 | 102 | |
979 | 2,246 | |
- | 2.7% | |
0.0 | 9.9 | |
about 1 year ago | 3 days ago | |
- | GNU General Public License v3.0 only |
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rust-how-do-i-start
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Hey rustaceans! I'm interested in learning Rust and I have a few questions before I get started
For (1) try this https://github.com/jondot/rust-how-do-i-start
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Next Steps for Rust in the Kernel
I learned it combining the Book and Rustlings. There's a table in the exercises directory mapping the exercises to the chapters of the book, so I'd every day do the exercises for yesterdays chapter first before todays chapter to have some sort of spaced repetition. For more material, check out https://github.com/jondot/rust-how-do-i-start
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Unable to learn rust.
You can try https://github.com/jondot/rust-how-do-i-start which contains things to try out that I've curated. Cross off things that don't work, and feel free to reach out if none of it work for you.
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Rust project Ideas
I highly recommend taking a look at this github repo, it has many projects and resources to help you!
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Rustlings 5.0.0 · Small exercises to get you used to reading and writing Rust code
Rustlings is great. I did them after a couple of years in Rust for the same reason, and it was definitely worth it. You might want to check out https://github.com/jondot/rust-how-do-i-start as well where I put all these kind of things that I could find.
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I want to start learning rust
If you aren't a complete beginner, then this github repo is VERY useful
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What was your path for learning Rust?
This is mine but also incorporates things I wish I had when I started, and also recommendation from other people as well. https://github.com/jondot/rust-how-do-i-start
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What beginner-level projects can I do now that I've just started learning rust?
This was posted this week here: https://github.com/jondot/rust-how-do-i-start
gccrs
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Why do lifetimes need to be leaky?
That's why gccrs doesn't even consider lifetime checking a part of the language (they plan to use Polonius, too).
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How hard would it be to port the Rust toolchain to a new non-POSIX OS written in Rust and get it to host its own development? What would that process entail?
There's ongoing work on a Rust front-end for GCC (https://github.com/Rust-GCC/gccrs). Bit barebones right now -- ie, even core doesn't compile -- but there's funding, demand, and regular progress, so it'll only get better from there. Once gccrs can compile core, it should be ready to compile most of Rust, and thus if you've taught the calling conventions for C to GCC, you're golden.
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Rust contributions for Linux 6.4 are finally merged upstream!
Do you mean this project https://rust-gcc.github.io/ ?
That is what theyre refering to, yes. The GitHub is named https://github.com/Rust-GCC/gccrs
Unsure currently, but there is project to get gcc to compile rust directly https://rust-gcc.github.io/ that is working to get changes upstreamed.
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GCC 13 and the State of Gccrs
- But this misses so much extra context information
3. Macro invocations there are really subtle rules on how you treat macro invocations such as this which is not documented at all https://github.com/Rust-GCC/gccrs/blob/master/gcc/rust/expan...
Some day I personally want to write a blog post about how complicated and under spec'd Rust is, then write one about the stuff i do like it such as iterators being part of libcore so i don't need reactive extensions.
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Any alternate Rust compilers?
Another upcoming implementation is Rust-GCC. This may help with wider adoption of Rust programs, but it probably won't see much use or support by Rust users. Furthermore, it will probably take some time to be implemented, since writing a compiler frontend is a difficult task.
In the future: gccrs (https://github.com/Rust-GCC/gccrs) is making progress, but is not useful now. It will be the first alternative compiler for Rust if/when complete (it probably will be completed because of the whole Rust for Linux effort)
(Speaking of which, Rust-GCC (or gcc-rs or gccrs or whichever other of their names they decide is the primary one) isn't even going to be a complete C++ implementation. Their plan is to implement enough to compile Polonius (the NLL 2.0 borrow checker being developed in Rust for rustc) and then share that since borrow-checking isn't necessary for codegen... only to identify and reject invalid programs... making the C++ portion of it not that different in scope from mrustc.)
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why GNU grep is fast
If it were proposed, it may end up being a political issue. GNU wants things under their umbrella to be GNU GPL licensed, and the rust compiler is not. There is work to get a Rust compiler built into gcc, but it's not nearly ready yet.
What are some alternatives?
gcc-rust - a (WIP) Rust frontend for gcc / a gcc backend for rustc
rustc_codegen_gcc - libgccjit AOT codegen for rustc
rustc_codegen_gcc - libgccjit AOT codegen for rustc
mold - Mold: A Modern Linker 🦠
rust - Empowering everyone to build reliable and efficient software.
Rust-for-Linux - Adding support for the Rust language to the Linux kernel.
polonius - Defines the Rust borrow checker.
mrustc - Alternative rust compiler (re-implementation)
zig - General-purpose programming language and toolchain for maintaining robust, optimal, and reusable software.
whisperfish
rustc_codegen_cranelift - Cranelift based backend for rustc
libsignal - Home to the Signal Protocol as well as other cryptographic primitives which make Signal possible.