abi_stable_crates
rfcs
abi_stable_crates | rfcs | |
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7 | 666 | |
491 | 5,711 | |
- | 0.9% | |
4.9 | 9.8 | |
7 months ago | 5 days ago | |
Rust | Markdown | |
Apache License 2.0 | Apache License 2.0 |
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abi_stable_crates
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how can I add dynamic loading to do "plugins" for my Rust app?
I've used abi_stable_crates
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Announcing `stabby`: a stable ABI for Rust with niche optimizations and much more!
It's possible, I even made a PR for closures a few months ago. However, for some odd reason the CI failed to build it, and months later I tried to update my PR only to find that master didn't build anymore on my machine.
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CGlue 0.2 is out! Dynamically loadable traits in Rust, C and C++
Integration with /u/azure1992's abi_stable crate for API/ABI mismatch checking (layout_checks feature). Note that CGlue will not work with crates.io version just yet, as a certain patch needs to be published first. But in the meantime, this can be solved by specifying the upstream repo in cargo patch section.
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What are the options of distributing a closed-source library in Rust?
There’s a crate for that: abi_stable
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Plugin based architecture in Rust
Unfortunately, just before publishing this article I found out, that Rust does not guarante a stable ABI, not even between two separate runs of the compiler with the same rustc version. This measn that plugins might suddenly not be compatible anymore for no obvious reasons. Even though I never experienced any problems during development (neither on windows, linux nor mac), I'd recommend you to just share datastructures with #[repr(C)] attribute or use types from abi_stable_crates. A stable ABI will be shipped with minfac:0.0.2, as datastructures in minfac:0.0.1 don't have the #[repr(C)] attribute yet. A discussion about having a stable Rust ABI can be found in the internals forum. If anybody knows, why compiling with the compiler option -C prefer-dynamic is supported, I'd be interested to know, as I can't see how this problem is solved there.
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Rust doesn’t support default function arguments. Or does it?
Here’s abi_stable_crates, enabling Rust API to be exported with a stable ABI
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Is there a way to build a plugin system for rust code with dynamic libraries ?
This crate may also be of interest: https://github.com/rodrimati1992/abi_stable_crates/
rfcs
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Ask HN: What April Fools jokes have you noticed this year?
RFC: Add large language models to Rust
https://github.com/rust-lang/rfcs/pull/3603
- Rust to add large language models to the standard library
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Why does Rust choose not to provide `for` comprehensions?
Man, SO and family has really gone downhill. That top answer is absolutely terrible. In fact, if you care, you can literally look at the RFC discussion here to see the actual debate: https://github.com/rust-lang/rfcs/pull/582
Basically, `for x in y` is kind of redundant, already sorta-kinda supported by itertools, and there's also a ton of macros that sorta-kinda do it already. It would just be language bloat at this point.
Literally has nothing to do with memory management.
- Coroutines in C
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Uv: Python Packaging in Rust
Congrats!
> Similarly, uv does not yet generate a platform-agnostic lockfile. This matches pip-tools, but differs from Poetry and PDM, making uv a better fit for projects built around the pip and pip-tools workflows.
Do you expect to make the higher level workflow independent of requirements.txt / support a platform-agnostic lockfile? Being attached to Rye makes me think "no".
Without being platform agnostic, to me this is dead-on-arrival and unable to meet the "Cargo for Python" aim.
> uv supports alternate resolution strategies. By default, uv follows the standard Python dependency resolution strategy of preferring the latest compatible version of each package. But by passing --resolution=lowest, library authors can test their packages against the lowest-compatible version of their dependencies. (This is similar to Go's Minimal version selection.)
> uv allows for resolutions against arbitrary target Python versions. While pip and pip-tools always resolve against the currently-installed Python version (generating, e.g., a Python 3.12-compatible resolution when running under Python 3.12), uv accepts a --python-version parameter, enabling you to generate, e.g., Python 3.7-compatible resolutions even when running under newer versions.
This is great to see though!
I can understand it being a flag on these lower level, directly invoked dependency resolution operations.
While you aren't onto the higher level operations yet, I think it'd be useful to see if there is any cross-ecosystem learning we can do for my MSRV RFC: https://github.com/rust-lang/rfcs/pull/3537
How are you handling pre-releases in you resolution? Unsure how much of that is specified in PEPs. Its something that Cargo is weak in today but we're slowly improving.
- RFC: Rust Has Provenance
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The bane of my existence: Supporting both async and sync code in Rust
In the early days of Rust there was a debate about whether to support "green threads" and in doing that require runtime support. It was actually implemented and included for a time but it creates problems when trying to do library or embedded code. At the time Go for example chose to go that route, and it was both nice (goroutines are nice to write and well supported) and expensive (effectively requires GC etc). I don't remember the details but there is a Rust RFC from when they removed green threads:
https://github.com/rust-lang/rfcs/blob/0806be4f282144cfcd55b...
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Why stdout is faster than stderr?
I did some more digging. By RFC 899, I believe Alex Crichton meant PR 899 in this repo:
https://github.com/rust-lang/rfcs/pull/899
Still, no real discussion of why unbuffered stderr.
- Go: What We Got Right, What We Got Wrong
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Ask HN: What's the fastest programming language with a large standard library?
Rust has had a stable SIMD vector API[1] for a long time. But, it's architecture specific. The portable API[2] isn't stable yet, but you probably can't use the portable API for some of the more exotic uses of SIMD anyway. Indeed, that's true in .NET's case too[3].
Rust does all this SIMD too. It just isn't in the standard library. But the regex crate does it. Indeed, this is where .NET got its SIMD approach for multiple substring search from in the first place[4]. ;-)
You're right that Rust's standard library is conservatively vectorized though[5]. The main thing blocking this isn't the lack of SIMD availability. It's more about how the standard library is internally structured, and the fact that things like substring search are not actually defined in `std` directly, but rather, in `core`. There are plans to fix this[6].
[1]: https://doc.rust-lang.org/std/arch/index.html
[2]: https://doc.rust-lang.org/std/simd/index.html
[3]: https://github.com/dotnet/runtime/blob/72fae0073b35a404f03c3...
[4]: https://github.com/dotnet/runtime/pull/88394#issuecomment-16...
[5]: https://github.com/BurntSushi/memchr#why-is-the-standard-lib...
[6]: https://github.com/rust-lang/rfcs/pull/3469
What are some alternatives?
interoptopus - The polyglot bindings generator for your library (C#, C, Python, …) 🐙
rust - Empowering everyone to build reliable and efficient software.
minfac - Lightweight Inversion Of Control
bubblewrap - Low-level unprivileged sandboxing tool used by Flatpak and similar projects
memflow - physical memory introspection framework
crates.io - The Rust package registry
rust-default-arguments-benchmark - A simple benchmark to evaluate the performance impact of using structs that implement Default as function arguments.
polonius - Defines the Rust borrow checker.
ctti - Rust compile-time type information experiment
Rust-for-Linux - Adding support for the Rust language to the Linux kernel.
xi-editor - A modern editor with a backend written in Rust.
rust-gc - Simple tracing (mark and sweep) garbage collector for Rust