tao
wg-allocators
tao | wg-allocators | |
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11 | 18 | |
1,078 | 199 | |
- | 5.5% | |
7.7 | 0.0 | |
9 months ago | over 3 years ago | |
Rust | ||
Mozilla Public License 2.0 | - |
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tao
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What backwards-incompatible changes would you make in a hypothetical Rust 2.0?
If you want some prior work on this, I've implemented effect-objects-as-return-values in my own language Tao, using uniqueness types. There's still work to be done, but I think it's sufficient as a proof of concept that this approach is viable without type soup.
- Why does Rust have parameters on impl?
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What are Rust’s biggest weaknesses?
I've personally found through my experiments working on my language Tao that having effects be a property of the return value and not the function itself is very useful and opens up a lot of doors, like iterators that generate effectful values and more precise control over when side effects occur and in what context.
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Hey Rustaceans! Got a question? Ask here! (29/2022)!
If you’d like to see some examples of great error messages written by a language with a parser combinator, I recommend you check out tao, which is parsed via chumsky, and provides rust-like error messages with the help of ariadne! I have been fiddling with writing my own language for a while now, and after trying out the alternatives, I found Chumsky to be great to work with, and can not recommend it enough. There are also great examples that you can find in the repo as well!
- Tao: A statically-typed functional language
- Tao: 一种静态类型的函数式语言 (Tao: A statically-typed functional language)
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Hacker News top posts: Jul 5, 2022
Tao: A statically-typed functional language\ (0 comments)
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Write your own programming language in an hour with Chumsky
I've been developing both throughout the development of Tao, my own hobby language. It's since developed quite an extensive syntax (see here for an example: https://github.com/zesterer/tao/blob/master/examples/99.tao), so you can count it as evidence that chumsky scales to complex grammars: https://github.com/zesterer/tao
wg-allocators
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Anouncing `stabby` 1.0!
Tracking issue for Storages, and a TLDR on what it is
- What backwards-incompatible changes would you make in a hypothetical Rust 2.0?
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Custom allocators in Rust
I must have gotten confused, since from your brief discussion with CAD97 it seemed like there was a way for the concepts to live separately and that Storage could complicate things in comparison. But if implementing Allocator in terms of Storage is basically equivalent and Storage is flexible enough that I could write one to pass memory out to unsafe code, that works just as well.
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Zig and Rust
https://rust-lang.github.io/rfcs/1974-global-allocators.html was the original RFC.
My vague understanding is that there's a working group https://github.com/rust-lang/wg-allocators
The further I get from working on Rust day to day, the less I know about these things, so that's all I've got for you.
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Rust went from side project to world’s fastest growing language
If you self-reference using pointers and guarantee the struct will never move, you don't even need unsafe. If you self-reference using offsets from the struct's base pointer, you need a splash of unsafe but your struct can be freely moved without invalidating its self-referential "pointers".
Per-struct allocators are a work in progress (see https://github.com/rust-lang/wg-allocators/issues/48).
Not sure what "non thread local addresses" means, but in my experience Rust is pretty good at sending data between threads (without moving it).
- Rust is coming to the Linux kernel
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FunDSP 0.1.0, an audio processing and synthesis library
Besides that allocation is not really a problem for no_std. It's resolved by using alloc crate directly, so anything usable with custom allocators is supported. Example in dasp sources - https://github.com/RustAudio/dasp/blob/master/dasp_slice/src/boxed.rs#L14-L19 . Also worth looking at this issue to check what is usable already - https://github.com/rust-lang/wg-allocators/issues/7
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Andrew Kelley claims Zig is faster than Rust in perfomance
But that's on track for rust as well: https://github.com/rust-lang/wg-allocators/issues/7
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Which important features from C/C++ are missing in Rust
Here: https://github.com/rust-lang/rfcs/pull/1398. there is also a working group for this: https://github.com/rust-lang/wg-allocators.
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Box<T> allocator override?
It's unstable. wg-allocators contains discussions about design and a tracking issue for collections that need an allocator https://github.com/rust-lang/wg-allocators/issues/7
What are some alternatives?
statix - lints and suggestions for the nix programming language
www.ziglang.org
tauri - Build smaller, faster, and more secure desktop applications with a web frontend.
serde-plain - A serde serializer that serializes a subset of types into plain strings
pom - PEG parser combinators using operator overloading without macros.
enum-map
mlton - The MLton repository
rules_rust - Rust rules for Bazel
owo - Export your OneNote note collection to Obsidian, Logseq, Org Mode or any other plain text note-taking app! [Moved to: https://github.com/alopezrivera/OneNoteExporter]
cryptography - cryptography is a package designed to expose cryptographic primitives and recipes to Python developers.
chumsky - Write expressive, high-performance parsers with ease.
dpp - Directly include C headers in D source code