rust-gc
too-many-lists
rust-gc | too-many-lists | |
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10 | 219 | |
913 | 3,018 | |
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3.9 | 0.0 | |
7 months ago | 15 days ago | |
Rust | Rust | |
Mozilla Public License 2.0 | MIT License |
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rust-gc
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loxcraft: a compiler, language server, and online playground for the Lox programming language
rust-langdev has a lot of libraries for building compilers in Rust. Perhaps you could use these to make your implementation easier, and revisit it later if you want to build things from scratch. I'd suggest logos for lexing, LALRPOP / chumsky for parsing, and rust-gc for garbage collection.
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What would be your programming language of choice to implement a JIT compiler ?
There's nothing stopping you from doing that in Rust. See rust-gc for an example of a GC implemented in Rust. Another example is mozjs, which is Rust bindings to SpiderMonkey. The GC there is implemented in C++, but it shows how you'd structure wrapper types for GC'd pointers in Rust so that you can use them safely, even with all the "ugliness" of a browser-grade GC.
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Spotting and Avoiding Heap Fragmentation in Rust Apps
One can have a GC as a library, https://github.com/Manishearth/rust-gc
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Hey Rustaceans! Got a question? Ask here (7/2023)!
The ones I am aware of are gc and broom. None will be as simple to use as the one in old Rust as userland implementations don't have the benefit of first-class integrated compiler support.
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Chris Lattner on garbage collection vs. Automatic Reference Counting (2017)
Rust has rust-gc, which is an attempt to add opt-in GC over Rust's more traditional automatic memory management. It's a neat project, but I'm not sure where it's actually being used.
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I have programming skills! I am good at dealing with programs!
Inb4 "already exists": the question is about making it convenient, not just imlementing the behavior.
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how hard is rust for a javascript programmer?
There is also a library implementation of garbage collection for Rust, made by someone from the Rust core team.
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Is this the correct way to think about Rust? Correct me if I am wrong about anything.
Yep! And I'd actually fully agree those are garbage collection, there's also a crate by Manish which does """real""" garbage collection—https://github.com/Manishearth/rust-gc
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Garbage Collection Question.
I don't know that I'd say it "works" - it's never a technique I've needed to use myself, but it's the approach taken by e.g. https://github.com/Manishearth/rust-gc
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Microsoft Rust intro says "Rust is known to leak memory"
Anyway, I found something recent that implements "rc" but in terms of tracing: https://github.com/Manishearth/rust-gc/ . Maybe useful for projects involving graphs of objects.
too-many-lists
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Towards memory safety with ownership checks for C
You seem to have a preset opinion, and I'm not sure you are interested in re-evaluating it. So this is not written to change your mind.
I've developed production code in C, C++, Rust, and several other languages. And while like pretty much everything, there are situations where it's not a good fit, I find that the solutions tend to be the most robust and require the least post release debugging in Rust. That's my personal experience. It's not hard data. And yes occasionally it's annoying to please the compiler, and if there were no trait constraints or borrow rules, those instances would be easier. But way more often in my experience the compiler complained because my initial solution had problems I didn't realize before. So for me, these situations have been about going from building it the way I wanted to -> compiler tells me I didn't consider an edge case -> changing the implementation and or design to account for that edge case. Also using one example, where is Rust is notoriously hard and or un-ergonomic to use, and dismissing the entire language seems premature to me. For those that insist on learning Rust by implementing a linked list there is https://rust-unofficial.github.io/too-many-lists/.
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Command Line Rust is a great book
Advent of Code was okay until I encounterd a problem that required a graph, tree or linked list to solve, where I hit a wall. Most coding exercises are similar--those requiring arrays and hashmaps and sets are okay, but complex data structures are a PITA. (There is an online course dedicated to linked lists in Rust but I couldn't grok it either). IMO you should simply skip problems that you can't solve with your current knowledge level and move on.
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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)
I feel obligated to point to the original cannon literature: https://rust-unofficial.github.io/too-many-lists/
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Need review on my `remove()` implementation for singly linked lists
I started learning Rust and like how the compiler is fussy about things. My plan was to implement the data structures I knew, but I got stuck at the singly linked list's remove() method. I've read the book as well, but I have no clue how to simplify this further:
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Factor is faster than Zig
My impression from the article is that Zig provides several different hashtables and not all of them are broken in this way.
This reminds me of Aria's comment in her Rust tutorial https://rust-unofficial.github.io/too-many-lists/ about failing to kill LinkedList. One philosophy (and the one Rust chose) for a stdlib is that this is only where things should live when they're so commonly needed that essentially everybody needs them either directly or to talk about. So, HashTable is needed by so much otherwise unrelated software that qualifies, BloomFilter, while it's real useful for some people, not so much. Aria cleaned out Rust's set of standard library containers before Rust 1.0, trying to keep only those most people would need. LinkedList isn't a good general purpose data structure, but, it was too popular and Aria was not able to remove it.
Having multiple hash tables feels like a win (they're optimized for different purposes) but may cost too much in terms of the necessary testing to ensure they all hit the quality you want.
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Was Rust Worth It?
> Cyclic references can be dealt with runtime safety checks too - like Rc and Weak.
Indeed. Starting out with code sprinkled with Rc, Weak, RefCell, etc is perfectly fine and performance will probably not be worse than in any other safe languages. And if you do this, Rust is pretty close to those languages in ease of use for what are otherwise complex topics in Rust.
A good reference for different approaches is Learn Rust With Entirely Too Many Linked Lists https://rust-unofficial.github.io/too-many-lists/
- What are some of projects to start with for a beginner in rust but experienced in programming (ex: C++, Go, python) ?
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How to start learning a systems language
Second, once you've finished something introductory like The Book, read Learning Rust With Entirely Too Many Linked Lists. It really helped me to understand what ownership and borrowing actually mean in practical terms. If you don't mind paying for learning materials, a lot of people recommend Programming Rust, Second Edition by Blandy, Orendorff, and Tindall as either a complement, follow-up, or alternative to The Book.
- My team might work with Rust! But I need good article recommendations
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Conversion?
Learning Rust With Entirely Too Many Linked Lists which highlights a lot of the differences with how you need to structure your code in Rust compared to other languages.
What are some alternatives?
rfcs - RFCs for changes to Rust
rust - Empowering everyone to build reliable and efficient software.
unsafe-code-guidelines - Forum for discussion about what unsafe code can and can't do
Rustlings - :crab: Small exercises to get you used to reading and writing Rust code!
tokio - A runtime for writing reliable asynchronous applications with Rust. Provides I/O, networking, scheduling, timers, ...
book - The Rust Programming Language
its_rusty - learning rust
CppCoreGuidelines - The C++ Core Guidelines are a set of tried-and-true guidelines, rules, and best practices about coding in C++
Primes - Prime Number Projects in C#/C++/Python
easy_rust - Rust explained using easy English
ixy-languages - A high-speed network driver written in C, Rust, C++, Go, C#, Java, OCaml, Haskell, Swift, Javascript, and Python
x11rb - X11 bindings for the rust programming language, similar to xcb being the X11 C bindings