rust-lang/rfcs on Hacker News

…The "become" keyword is already reserved in anticipation of guaranteed tail calls being added. https://github.com/rust-lang/rfcs/issues/2691

comment by rom-antics · 2023-02-14 · in Rust vs. Haskell

That was proposed and rejected for Rust recently: https://github.com/rust-lang/rfcs/pull/3267 I was against because I felt that there should always be parens/brackets/braces (macros can use any of them) for better scannability when you're…

comment by ssokolow · 2023-01-28 · in Rust's Ugly Syntax

…to least recent, * the tracking issue https://github.com/rust-lang/rust/issues/49048 * the RFC https://github.com/rust-lang/rfcs/pull/2169 * the internals discussion https://internals.rust-lang.org/t/mathematical-modulo-operat... It's…

comment by nextaccountic · 2023-01-27 · in Modulo of negative numbers (2011)

…discussion goes on forever by now. Some small insight (there is much more when you look for it): https://github.com/rust-lang/rfcs/issues/324 https://internals.rust-lang.org/t/higher-kinded-types-the-di... > Don't go in the deep end with…

comment by still_grokking · 2023-01-05 · in C++ at the End of 2022

…so even if a later mechanism does - say - fancy non-contiguous niches, I just want one value ASAP. https://github.com/rust-lang/rfcs/pull/3334 > “I want to allocate something large on the heap” and it doesn’t seem like I should need to use…

comment by tialaramex · 2022-11-17 · in Is Rust stack-efficient yet?

There is an open RFC that takes a different approach: https://github.com/rust-lang/rfcs/pull/2884

comment by Georgelemental · 2022-11-17 · in Is Rust stack-efficient yet?

String was indeed once named StrBuf: https://github.com/rust-lang/rfcs/pull/60

comment by return_to_monke · 2022-11-07 · in Rust: “Explain GATs Like I'm 5 Years Old”

…that structural typing is only for tuples because the word struct is in structural(?!). [0] https://github.com/rust-lang/rfcs/issues/294

comment by karmakaze · 2022-11-07 · in Rust: “Explain GATs Like I'm 5 Years Old”

…But I don't feel very strongly one way or the other to be honest. There is a related RFC open: https://github.com/rust-lang/rfcs/pull/3243 > "packages can impersonate other packages with typos" problems I was pointing out that this is…

comment by burntsushi · 2022-10-17 · in “You meant to install ripgrep”

…to see this happen! If I may plug the tiny little aspect of this I was involved in, check out https://github.com/rust-lang/rfcs/pull/3271 . It's a long way off, and it's important to point out the following is not guaranteed to happen so…

comment by Ericson2314 · 2022-10-04 · in Rust Support Merged into Linux Kernel

…in external tools and writing up the documentation. https://github.com/rust-lang/rust/issues/60705 https://github.com/rust-lang/rfcs/pull/2603

comment by pabs3 · 2022-09-23 · in Traditional packaging is not suitable for modern applications?

…is potentially useful enough that distros could use it. https://wiki.debian.org/StaticLinking#Rust https://github.com/rust-lang/rfcs/pull/2603 https://github.com/rust-lang/rust/issues/60705

comment by pabs3 · 2022-09-23 · in Traditional packaging is not suitable for modern applications?

There's an open RFC for a version of it: https://github.com/rust-lang/rfcs/pull/2884 The proposal has received a lot of new discussion in the past few days, as in addition to being wanted by kernel developers, it's a potential path to…

comment by Georgelemental · 2022-09-23 · in A pair of Rust kernel modules

…reference to what you iterate. See the GAT RFC which explains this concept much better than I can: https://github.com/rust-lang/rfcs/blob/master/text/1598-gene... TL;DR it's not a "new" feature per se but something that could have been…

comment by epilys · 2022-09-13 · in Rust stabilizes generic associated types

Best documentation is probably the RFC: https://github.com/rust-lang/rfcs/blob/master/text/1598-gene... > Allow type constructors to be associated with traits. This is an incremental step toward a more general feature commonly called…

comment by capableweb · 2022-09-13 · in Rust stabilizes generic associated types

…want to move a field into a let binding. This one is getting fixed by removing type ascription - https://github.com/rust-lang/rfcs/pull/3307 .

comment by GlitchMr · 2022-09-13 · in A personal list of Rust grievances

There is some promising work going towards bringing namespaces to Cargo: https://github.com/rust-lang/rfcs/pull/3243

comment by hobofan · 2022-09-13 · in A personal list of Rust grievances

…this is one of the many things on this list that isn't a new idea, see this RFC from June 2014: https://github.com/rust-lang/rfcs/pull/117 . I believe D has a `@trusted` attribute at the function level that serves a similar purpose.

comment by bjz_ · 2022-09-13 · in A personal list of Rust grievances

…pointers. - More declarative macro support, e.g. more types of ASTs as metavars - Partial borrows: https://github.com/rust-lang/rfcs/issues/1215 - Mutability variance: e.g. write `fn index<&a>(&a self, idx: Idx) -> &a T`, instead of…

comment by armchairhacker · 2022-09-13 · in A personal list of Rust grievances

…distros like Debian. https://wiki.debian.org/StaticLinking#Rust https://lwn.net/Articles/797616/ https://github.com/rust-lang/rfcs/pull/2603 I note that the PR for Rust symbol mangling got merged, but it looks like it isn't the default…

comment by pabs3 · 2022-09-03 · in Tor – Arti 1.0.0 is released: Rust Tor implementation ready for production use

For reference, the tickets GP is talking about are - https://github.com/rust-lang/rfcs/pull/3127 - https://github.com/rust-lang/rust/issues/40552

comment by estebank · 2022-07-26 · in RustDesk – Open-source TeamViewer alternative

There are further enum layout optimization implemented: https://github.com/rust-lang/rfcs/issues/1230 , or is being worked: https://github.com/rust-lang/rust/issues/46213 . These simple ideas on the surface sometimes can be very hard to…

comment by WiSaGaN · 2022-07-08 · in Optimized Enum Sizes in Rust

…2k-8k during the language lifetime, and the stack resizing mechanism has changed as well. [2] https://github.com/rust-lang/rfcs/blob/master/text/0230-remo... [3] https://talks.golang.org/2012/splash.article [4] This is why it didn't have a…

comment by unscaled · 2022-07-05 · in Ask HN: Should I learn Rust or Go?

…a shortcoming of Rust and hopefully something that the Rust team will improve in the future. (E.g. https://github.com/rust-lang/rfcs/issues/324 )

comment by valenterry · 2022-06-27 · in What's New in Python 3.11?

…discussion compared to later RFCs. It is worthwhile to read the actual discussion happened [1]. [1] https://github.com/rust-lang/rfcs/pull/60

comment by lifthrasiir · 2022-06-25 · in What is `Box<str>` and how is it different from `String` in Rust?

It's not extensible (the `Try` trait is unstable) but this is being worked on, see https://github.com/rust-lang/rfcs/blob/master/text/3058-try-... .

comment by bonzini · 2022-06-23 · in Linus Torvalds: Rust for the Kernel Could Possibly Be Merged for Linux 5.20

…the changes that were made in the two or three years before Rust 1.0 if anyone wants to read more: https://github.com/rust-lang/rfcs/blob/master/text/0230-remo... https://pcwalton.github.io/2013/06/02/removing-garbage-colle...

comment by ssokolow · 2022-06-03 · in Async Rust doesn't have to be hard

…feel free to reach out to me. [0] https://rust-lang-nursery.github.io/rust-cookbook/intro.html [1] https://github.com/rust-lang/rfcs/pull/3243

comment by epage · 2022-05-28 · in Nim: Curated Packages

…full dependency versioning information inside Rust binaries to further help that approach: https://github.com/rust-lang/rfcs/pull/2801

comment by ssokolow · 2022-05-04 · in Will Hare replace C? Or Rust? Or Zig? Or anything else?

…jdk 8, but they didn't. they ship a preview in jdk 19. rust's rfc explains some of the drawbacks: https://github.com/rust-lang/rfcs/blob/master/text/0230-remo... (which basically explains why a preview took until jdk 19) // Edit: also:…

comment by merb · 2022-05-02 · in JEP proposed to target JDK 19: 425: Virtual Threads (Preview)

…to not use the green thread model: https://www.reddit.com/r/rust/comments/7x0icm/regarding_gree... https://github.com/rust-lang/rfcs/blob/master/text/0230-remo... > Initially, Rust supported only the green threading model. Later, native…

comment by abledon · 2022-05-02 · in JEP proposed to target JDK 19: 425: Virtual Threads (Preview)

…Some(Error::$err), )* _ => None, } } } }; } You can see this in practice on the playground[2]. [1]: https://github.com/rust-lang/rfcs/blob/master/text/3086-macr... [2]: https://play.rust-lang.org/?version=nightly&mode=debug&editi...

comment by efaref · 2022-03-29 · in Self Modifying Code as an alternative to macros

…assembly DSL only works in x86 and x86-64. [1] https://github.com/rust-lang/rust/issues/5853 [2] https://github.com/rust-lang/rfcs/issues/602 [3] https://internals.rust-lang.org/t/better-c-interoperability/... [4]…

comment by lifthrasiir · 2022-03-11 · in CXX – safe interop between Rust and C++

…they just define the language so that it's allowed. Take integer overflow, for instance https://github.com/rust-lang/rfcs/blob/26197104b7bb9a5a35db2... . In debug mode, Rust panics on integer overflow. Good. In release mode, it wraps as…

comment by xet7 · 2022-02-19 · in ‘Zero-click’ hacks are growing in popularity

…almost as often as I run `cargo check` (despite that being mostly useless for binary crates...) [0] https://github.com/rust-lang/rfcs/issues/2324 [1] just tried it on a local project, the first methods it surfaces are 4 methods from…

comment by masklinn · 2022-01-29 · in Rust extension traits, greppability and IDEs

…of memory safety (like filesystems). Here's an RFC that tries to extend lifetimes to file handles: https://github.com/rust-lang/rfcs/blob/master/text/3128-io-s...

comment by cyber_kinetist · 2022-01-21 · in Security vulnerability in Rust standard library

…World with a closed stdout will correctly fail in C but "succeed" in Rust because it ignores EBADF. https://github.com/rust-lang/rfcs/pull/1014

comment by petmon · 2022-01-21 · in The case for a modern language (part 1)

…least light-weight design documentation typically using ADRs https://adr.github.io/ and/or RFCs ( https://github.com/rust-lang/rfcs ). This is often because without these types of documents, its harder to grow teams as new members must…

comment by twunde · 2022-01-20 · in Ask HN: Are System Design documents out of fashion?

> Is the situation for Rust different than as described here: https://github.com/rust-lang/rfcs/pull/208 In short: yes. The wording in that quote is imprecise: I suspect that by 'attributes' , pcwalton was referring to user-definable…

comment by adwn · 2022-01-10 · in Saving a Third of Our Memory by Re-Ordering Go Struct Fields (2020)

Is the situation for Rust different than as described here: https://github.com/rust-lang/rfcs/pull/208 “Currently, attributes and macros/syntax extensions are both conceptually macros: they are user-definable syntactic extensions that…

comment by xh-dude · 2022-01-10 · in Saving a Third of Our Memory by Re-Ordering Go Struct Fields (2020)

…`rem_euclid`. This is unfortunate but at least it exists. The RFC that introduced rem_euclid: https://github.com/rust-lang/rfcs/blob/master/text/2169-eucl...

comment by the_mitsuhiko · 2021-12-29 · in Python, unlike C, has the mod operator always return a positive number

…And some more links: https://stackoverflow.com/questions/29428318/why-did-rust-re... https://github.com/rust-lang/rfcs/blob/master/text/0230-remo... And lots of debate in this previous thread: https://news.ycombinator.com/item?id=10225903

comment by jasode · 2021-12-08 · in Portable and Interoperable Async Rust

…[6] https://github.com/ghc-proposals/ghc-proposals/blob/master/p... [7] https://github.com/rust-lang/rfcs/issues/1930

comment by juxtapose · 2021-12-08 · in Sayonara, C++, and Hello to Rust

…of only one: interfacing with hardware or unsafe OSes that control access to the hardware. [0] https://github.com/rust-lang/rfcs/issues/2533

comment by mleonhard · 2021-12-03 · in This shouldn't have happened: A vulnerability postmortem

There was a proposal for that, but it wasn't accepted https://github.com/rust-lang/rfcs/pull/890

comment by nextaccountic · 2021-10-22 · in Rust 1.56.0 and Rust 2021

…distinct. As an example, here's a comment of mine on the original RFC (which was called "epochs"): https://github.com/rust-lang/rfcs/pull/2052#issuecomment-315... (the part with "Some language development comparisons")

comment by steveklabnik · 2021-10-21 · in Rust 1.56.0 and Rust 2021

This old RFC came up elsewhere in the thread and sounds like a similar idea: https://github.com/rust-lang/rfcs/pull/1806

comment by ahupp · 2021-10-20 · in Builder Pattern in Rust

I hope that one day the default struct field values RFC will be reconsidered: https://github.com/rust-lang/rfcs/pull/1806 . This would allow a syntax more familiar to users of JavaScript, where fields with their default value can be…

comment by nitsky · 2021-10-20 · in Builder Pattern in Rust

…'trustme', 'trusted', as well as less serious ones like 'yolo' and 'hold_my_beer_and_watch_this': https://github.com/rust-lang/rfcs/pull/117 )

comment by rcxdude · 2021-10-11 · in So You Want to Rust the Linux Kernel?

…and a bad exception design (like Java's) is strictly worse than even Go's error handling. [1] https://github.com/rust-lang/rfcs/pull/243 [2] https://github.com/glaebhoerl/rust-notes/blob/268266e8fbbbfd... [3]…

comment by nemothekid · 2021-10-08 · in Rust: Enums to Wrap Multiple Errors