rust-lang/rust on Hacker News

…`align_of`, and `align_of_val` to the prelude, which means they don't need to be imported anymore: https://github.com/rust-lang/rust/pull/123168/

comment by CryZe · 2024-07-25 · in Rust 1.80.0

▲ 26

Rust is getting support for NuttX

story by acassis · 2024-07-19 · 0 comments

…There's an experiment in progress to see if guaranteed tail calls can be added to the language https://github.com/rust-lang/rust/issues/112788

comment by the8472 · 2024-07-13 · in Beating the Compiler

…OpenSSL seems to sidestep[3] the issue by using the PID as part of its salt internally. 1: https://github.com/rust-lang/rust/issues/16799 2: https://bugs.ruby-lang.org/issues/4579 3: https://wiki.openssl.org/index.php/Random_fork-safety

comment by zbentley · 2024-07-08 · in Malloc broke Serenity's JPGLoader, or: how to win the lottery (2021)

…Windows, BSD, x86, x64, Arm) failed to provide monotonicity despite their own documentation: https://github.com/rust-lang/rust/blob/80184183ba0a53aa4f491...

comment by kibwen · 2024-07-03 · in All I want for Christmas is a negative leap second

…threads happened, and so I'd figure I'd chime in and let you know the details. Super specifically, https://github.com/rust-lang/rust/pull/18967 , on Nov 21, 2014, is when it was actually removed.

comment by steveklabnik · 2024-07-01 · in Google Sheets ported its calculation worker from JavaScript to WasmGC

▲ 3

New sort implementations merged in the Rust standard library – up to 2x faster

story by thunderbong · 2024-06-25 · 0 comments

▲ 3

New sort implementations merged in the Rust standard library – up to 2x faster

story by todsacerdoti · 2024-06-24 · 0 comments

…multiples of a cache line - maybe to help the prefetcher or to minimize cache line bouncing?) [1] https://github.com/rust-lang/rust/blob/master/library/alloc/... [2] https://github.com/abseil/abseil-cpp/blob/74f8c1eae915f90724... [3]…

comment by vlovich123 · 2024-06-24 · in B-Trees Require Fewer Comparisons Than Balanced Binary Search Trees

…to match the range of a 64-bit floating point value until you use 512-bit integral math!) [0]: https://github.com/rust-lang/rust/issues/83973 Godbolt link: https://godbolt.org/z/EqrEqExnc

comment by ComputerGuru · 2024-06-22 · in Own Constant Folder in C/C++

…stacked one atop the other, and a tiny change here can end up with huge changes there. [0]: https://github.com/rust-lang/rust/pull/91743

comment by ComputerGuru · 2024-06-22 · in Own Constant Folder in C/C++

Thanks! Yes, I think it was the last one, https://github.com/rust-lang/rust/issues/25860 . But I'm not 100% sure.

comment by eru · 2024-06-21 · in Zig vs. Rust at work: the choice we made

It's either https://github.com/rust-lang/rust/issues/112905 , https://github.com/rust-lang/rust/issues/84366 or (most likely) https://github.com/rust-lang/rust/issues/25860 . It can be argued that those are bugs of the compiler, not the…

comment by estebank · 2024-06-20 · in Zig vs. Rust at work: the choice we made

https://github.com/rust-lang/rust/issues/111423

comment by guipsp · 2024-06-17 · in Crossing the impossible FFI boundary, and my gradual descent into madness

…had to submit patches to LLVM to make it possible for languages to opt out of C++-style semantics: https://github.com/rust-lang/rust/issues/28728

comment by kibwen · 2024-06-01 · in Moving Beyond Type Systems

…1111____ xxxxxxxx xxxxxxxx [...] It seems to be more fussy about compiler optimizations, though: https://github.com/rust-lang/rust/issues/125543

comment by jmillikin · 2024-05-27 · in vu128: Efficient variable-length integers

…the process and the fuse server. So the kernel is in a position to uphold its API contract. [0] https://github.com/rust-lang/rust/issues/89522#issuecomment-...

comment by the8472 · 2024-05-26 · in Signalfd Is Useless (2015)

…very recently and have limitations) or jump through hoops[0] to get the pidfd from the child. [0] https://github.com/rust-lang/rust/blob/21e6de7eb64c09102de3f...

comment by the8472 · 2024-05-25 · in Signalfd Is Useless (2015)

…functionality and also split the dependencies Static site generator is mostly in the Rust itself: https://github.com/rust-lang/rust/tree/master/src/librustdoc

comment by nicce · 2024-05-21 · in Enlightenmentware

Rust, the language itself depends on 220 packages: https://github.com/rust-lang/rust/blob/e8753914580fb42554a79... If you trust nobody, it is hard to use anything. But about your second note, (environment, mismatched dependencies), I would…

comment by nicce · 2024-05-21 · in Enlightenmentware

…[3]: https://www.ralfj.de/blog/2023/06/02/tree-borrows.html [4]: https://github.com/rust-lang/rust/issues?q=is%3Aissue+is%3Ao... [5]: https://github.com/Speykious/cve-rs

comment by raphlinus · 2024-05-15 · in Translation of Rust's core and alloc crates to Coq for formal verification

…of Rust early on[1], who's been working with the language for 14 years at that point. [1] https://github.com/rust-lang/rust/graphs/contributors?from=2... and he's still #16 in commits overall today, despite almost no activity on the rust…

comment by littlestymaar · 2024-05-07 · in Rust to .NET compiler – Progress update

Links with more info on the current state of deref patterns https://github.com/rust-lang/rust/issues/87121 https://hackmd.io/4qDDMcvyQ-GDB089IPcHGg

comment by airstrike · 2024-05-02 · in Rust: Box Is a Unique Type

Here's an example of someone citing a disagreement between CRT and shell32: https://github.com/rust-lang/rust/issues/44650 This in addition to the Rust CVE mentioned elsewhere in the thread which was rooted in this issue:…

comment by asveikau · 2024-04-25 · in Why does Windows use backslash as path separator? (2019)

…for that experience. I wonder if more prevalent uses of `#[doc(alias = "name")]` being leveraged by https://github.com/rust-lang/rust/pull/120730 (which now that I check only accounts for methods and not functions, I should get on that!)…

comment by estebank · 2024-04-22 · in I hate Rust (programming language)

▲ 3

Rust Weird Exprs

story by connormon · 2024-04-12 · 1 comment

▲ 3

Critical safety flaw found in Rust on Windows (CVE-2024-24576)

story by stephc_int13 · 2024-04-10 · 1 comment

Almost fixed the compiler: https://github.com/rust-lang/rust/pull/123325

comment by fprasx · 2024-04-08 · in Unformat Rust code into perfect rectangles

…PR handy for showing Github's rendering of changes in the SVG (text, side-by-side, swiping) but https://github.com/rust-lang/rust/pull/121877/files has newly added SVGs. To see what is supported, see the screenshot in the docs:…

comment by epage · 2024-04-05 · in Show HN: Fancy-ANSI – Small JavaScript library for converting ANSI to HTML

…vendoring Packages containing only source is a consequence of the Rust ABI still stabilizing, see: https://github.com/rust-lang/rust/pull/105586 After ABI stabilization, Rust libraries will be first class like any other language.

comment by timschmidt · 2024-03-31 · in Backdoor in upstream xz/liblzma leading to SSH server compromise

…as a feature by any Rust developers I know of. The Rust ABI is merely still stabilizing. See: https://github.com/rust-lang/rust/pull/105586

comment by timschmidt · 2024-03-29 · in Backdoor in upstream xz/liblzma leading to SSH server compromise

…The main issue is that it's very hard to propagate information found through matching . [0]: https://github.com/rust-lang/rust/pull/120131

comment by demurgos · 2024-03-28 · in A step beyond Rust's pattern matching

▲ 3

Enable frame pointers for the Rust standard library

story by formerly_proven · 2024-03-24 · 0 comments

…[3] - https://blog.rust-lang.org/2023/11/09/parallel-rustc.html [4] - https://github.com/rust-lang/rust/issues/39915

comment by nindalf · 2024-03-18 · in Cranelift code generation comes to Rust

…STL but languages and compilers struggle to emit the cmov properly (Rust’s been broken for 6 years: https://github.com/rust-lang/rust/issues/53823 ). Prefetch is an interesting one because while you do optimize the binary search in a micro…

comment by vlovich123 · 2024-03-16 · in Algorithms for Modern Hardware

…up the details, but IIRC at least Windows? Implementations of the standard library mutexes are here https://github.com/rust-lang/rust/tree/master/library/std/sr... And of course it’s pthreads on Linux.

comment by steveklabnik · 2024-03-06 · in Dada, an experimental new programming language

…now (hard to tell because it hasn't been close enough to stabilization to be properly documented): https://github.com/rust-lang/rust/pull/68524 As for Polonius changing the underlying mental model, I think this is a natural progression.…

comment by kibwen · 2024-03-05 · in Borrow checking without lifetimes

…and you can't pass values into resume and get them out from the yield statement in the coroutine ( https://github.com/rust-lang/rust/issues/43122#issuecomment-... ). > and they aren't separate from async, they're the foundation that async…

comment by logicprog · 2024-03-05 · in Borrow checking without lifetimes

…a thread is spawned before a signal is generated (& right after the signal handler is installed): https://github.com/rust-lang/rust/blob/26907374b9478d84d766a... It doesn't look like there's any UB behavior being relied upon but I could…

comment by vlovich123 · 2024-03-03 · in Why do we need for an Undefined Behavior Annex to C++

…and there is a chance this doesn't get stabilized, but here's hoping it makes it through! [0]: https://github.com/rust-lang/rust/pull/107606 [1]: https://cohost.org/oli-obk/post/165584-ranged-integers-via [2]:…

comment by mbStavola · 2024-03-02 · in Ada 95: The Craft of Object-Oriented Programming

…for SIGSEGV and checks if the faulting address falls within the range of the stack guards. See https://github.com/rust-lang/rust/blob/411f34b/library/std/s... The stack guards would normally be setup by the system runtime (e.g. kernel in…

comment by wahern · 2024-03-02 · in Why do we need for an Undefined Behavior Annex to C++

…you can e.g. target a RTOS or whatever. It looks like that work started really recently actually: https://github.com/rust-lang/rust/commit/99128b7e45f8b95d962...

comment by IshKebab · 2024-02-29 · in Talc – A fast and flexible allocator for no_std and WebAssembly

The issue in question, https://github.com/rust-lang/rust/issues/49206 , is such an edge case that there are 0 known examples of it causing a problem in practice, despite the issue being around for many years.

comment by Georgelemental · 2024-02-21 · in Cve-rs: Fast memory vulnerabilities, written in safe Rust

…in practice. If there are problems with Rust's type system, they're identified and patched. [1]: https://github.com/rust-lang/rust/issues/25860#issuecomment-...

comment by pcwalton · 2024-02-21 · in Cve-rs: Fast memory vulnerabilities, written in safe Rust

> unsound issues Apparently there's 84 open issues which the Rust developers consider unsound issues. https://github.com/rust-lang/rust/issues?q=is%3Aissue+is%3Ao... That's it. Rust's claims are over and done with. How can it be safe if…

comment by jart · 2024-02-21 · in Cve-rs: Fast memory vulnerabilities, written in safe Rust

https://github.com/rust-lang/rust/issues/25860#issuecomment-... “Similarly, the reason why niko's approach is not yet implemented is simply that getting the type system to a point where we even can implement this is Hard. Fixing this bug…

comment by anderskaseorg · 2024-02-20 · in Cve-rs: Fast memory vulnerabilities, written in safe Rust

…constraints like this become explicit but inferred? Sort of like this proposal from the GH issue: https://github.com/rust-lang/rust/issues/25860#issuecomment-... but the "where" clause is inferred at compile time. If so I wouldn't call…

comment by nicklecompte · 2024-02-20 · in Cve-rs: Fast memory vulnerabilities, written in safe Rust

Seems to rely on at least one known compiler bug (admittedly one open since 2015) https://github.com/rust-lang/rust/issues/25860

comment by dralley · 2024-02-20 · in Cve-rs: Fast memory vulnerabilities, written in safe Rust

▲ 3

An Oddity in the Rust Compiler

story by liamswayne · 2024-02-12 · 0 comments

…regressions and in some cases it may even cause unnecessary stack spilling of sensitive data: https://github.com/rust-lang/rust/issues/88930#issuecomment-...

comment by newpavlov · 2024-02-06 · in Avoiding register spills in vectorized code with many constants