lodestone_core
too-many-lists
lodestone_core | too-many-lists | |
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4 | 219 | |
59 | 3,018 | |
- | 0.7% | |
8.5 | 0.0 | |
10 months ago | 17 days ago | |
Rust | Rust | |
GNU Affero General Public License v3.0 | MIT License |
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lodestone_core
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🦀+ 🦕= 😎 I wrote a blog post about experimenting with Deno's Rust crates to run JavaScript inside Rust application
I personally use deno for the Lodestone Project, a FOSS open-source game server hosting tool (shameless plug). One of the features coming up is a plugin system that allows users to write typescript code to communicate with lodestone directly and a system that allows users to implement a game server instance in typescript which lodestone can run at runtime, all powered by deno. If you are interested the code is here and here
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I was searching for embedded lanaguages in Rust and I found out I can use deno https://deno.land/[email protected]/embedding_deno which is amazing has anyone tried it ?
The project (backend for a server hosting/management panel) is using `mlua` for its user-customizable scripting feature. It was extremely (well compared to Deno) easy to set up and it does 99% of what we need, but its syntax, object model, and the lack of language-wide async support have been getting to me, so I was excited to give Deno a try.
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How did you start
Was starting a new project (Lodestone) that needed a web server, didn't want to use Node or typescript so I decided to give rust a try. Never looked back :D
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What's everyone working on this week (32/2022)?
Been grinding away at Lodestone, a self-hosted game server wrapper/management tool originally designed for Minecraft, but we are planning support for other servers such as Risk of Rain, Terraria, Genshin etc etc.
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?
nitro_repo - An open source artifact manager. Written in Rust back end and an Vue front end to create a fast and modern experience
rust - Empowering everyone to build reliable and efficient software.
miniserve - 🌟 For when you really just want to serve some files over HTTP right now!
Rustlings - :crab: Small exercises to get you used to reading and writing Rust code!
guess-that-lang - CLI game to see how fast you can guess the language of a code block!
book - The Rust Programming Language
crates.io - The Rust package registry
CppCoreGuidelines - The C++ Core Guidelines are a set of tried-and-true guidelines, rules, and best practices about coding in C++
taskserver - Taskserver - Taskwarrior Synchronisation Server
easy_rust - Rust explained using easy English
dcp - docker cp made easy
x11rb - X11 bindings for the rust programming language, similar to xcb being the X11 C bindings