rust-lang/rust on Hacker News

…mut` is not always safe even in a single-threaded environment, because of reentrance - see also https://github.com/rust-lang/rust/issues/53639 .

comment by eddyb · 2019-01-31 · in Writing an OS in Rust: Advanced Paging

…complex trees involving associated types with their own independent lifetimes[1][2][3]. [1]: https://github.com/rust-lang/rust/issues/55756 [2]: https://github.com/rust-lang/rust/issues/54378 [3]: https://github.com/rust-lang/rust/issues/54…

comment by estebank · 2019-01-28 · in Writing an OS in Rust: Advanced Paging

…true in either C or Rust. There's further discussion[3] on this bug if anybody is interested. [0] https://github.com/rust-lang/rust/pull/54397 [1] https://github.com/rust-lang/rust/pull/48657 [2] https://medium.com/@shnatsel/how-ive-found-v…

comment by Aengeuad · 2019-01-24 · in Fearless Security: Memory Safety

…indirect) recursive function calls? Recursive calls to async functions will fail to compile: https://github.com/rust-lang/rust/issues/53690 That said, see that discussion; the trait object form will probably eventually work. Heavy…

comment by steveklabnik · 2019-01-22 · in Asynchronous Programming in Rust book

…those [1][2]. some threads are more than a year old, but it seems to be making progress. [1] https://github.com/rust-lang/rust/issues/45978 [2] https://internals.rust-lang.org/t/pre-rfc-allow-pattern-matc...

comment by vmarsy · 2019-01-09 · in Thoughts on Rust, a few thousand lines in

…here: https://internals.rust-lang.org/t/standard-library-synchroni... The PR for std is here: https://github.com/rust-lang/rust/pull/56410 Mostly comes to the platform native APIs habing various soundness issues.

comment by the_mitsuhiko · 2019-01-06 · in Rust at speed – building a fast concurrent database [video]

…adding a new type to a natvis file before I'll finish relinking my project in a lot of cases. https://github.com/rust-lang/rust/blob/master/src/etc/natvis... , while perhaps a bit arcane if you don't know natvis (there are docs), and…

comment by MaulingMonkey · 2019-01-01 · in Comparing Pythagorean triples in C++, D, and Rust

Ugh, you're right. I got it backwards https://github.com/rust-lang/rust/issues/23818 thank you

comment by steveklabnik · 2018-12-31 · in Comparing Pythagorean triples in C++, D, and Rust

https://github.com/rust-lang/rust/issues/53487

comment by dralley · 2018-12-27 · in Rust 2019 and beyond: limits to some growth

As a matter of fact, Rust release infrastructure is using CentOS 5. See https://github.com/rust-lang/rust/blob/master/src/ci/docker/... .

comment by sanxiyn · 2018-12-21 · in Porting Alpine Linux to RISC-V

This sounds like a use for the everybody-loops compiler flag: https://github.com/rust-lang/rust/pull/19964

comment by jamesmunns · 2018-12-17 · in Rust Analyzer in 2018 and 2019

…patch to add stdlib natvis files to MSVC projects, which instead morphed into a better rustc patch: https://github.com/rust-lang/rust/pull/43221 Thanks to this buried gem I stumbled across in a search:…

comment by MaulingMonkey · 2018-12-17 · in Organizational Debt

This seems to be the bug that's tracking this in rust: https://github.com/rust-lang/rust/issues/49879

comment by pedrocr · 2018-12-16 · in Firefox 64 built with GCC and Clang

Simply following the unicode recommendations will leave you with some weird issues: https://github.com/rust-lang/rust/issues/4928 https://twitter.com/aisamanra/status/923346798093090816

comment by hyperpape · 2018-12-15 · in Fun with Unicode in Swift

…wanted to just jump in having never contributed before you could just filter an issue by mentor. https://github.com/rust-lang/rust/issues?q=is%3Aopen+is%3Ais... Filtering this further by E-easy to get yourself started. This is probably not…

comment by martell · 2018-12-08 · in Do one have to be an exceptional programmer to contribute to opensource projects

…to be most relevant: https://github.com/nikomatsakis/rust-memory-model/issues/41 Then these ones: https://github.com/rust-lang/rust/issues/36927 https://internals.rust-lang.org/t/c-style-enums-in-ffi-and-a...…

comment by v_lisivka · 2018-12-06 · in Rust 2018 is here, but what is it?

…since been disabled again, due to a new bug (which was also reproduced in C, on both LLVM and GCC): https://github.com/rust-lang/rust/issues/54878

comment by cesarb · 2018-11-27 · in Fortran is still a thing

In case anyone else was wondering what this jargon meant, "non-lexical lifetime": https://github.com/rust-lang/rust/issues/43234 Took me a bit of websearching to figure out what people were excited about.

comment by jordigh · 2018-11-27 · in Rust 2018 survey results

…stack unwinding facilities. It’s since been re-enabled now that the upstream bug has been fixed: https://github.com/rust-lang/rust/pull/50744

comment by johncolanduoni · 2018-11-27 · in Fortran is still a thing

A `const fn` RFC is accepted and somwhat available when using nightly compilers, also see https://github.com/rust-lang/rust/issues/24111

comment by th0br0 · 2018-11-22 · in Still in love with Rust

Here's my first PR to Rust: https://github.com/rust-lang/rust/pull/4305 Note that it was rejected because I sent it into the wrong branch (we do use master these days) and so I even had to resubmit it https://github.com/rust-lang/rust/pull/…

comment by steveklabnik · 2018-11-20 · in “The 's' is sad”: 4-year-old submits Linux kernel doc patch (2014)

…`exec), but it generally prefers `posix_spawnp` (Which also uses PATH). The relevant code is here: https://github.com/rust-lang/rust/blob/7d3b9b1640611c52eb949... . All of this is of course Unix specific, on Windows it uses `CreateProcess`.

comment by johncolanduoni · 2018-11-18 · in Building your own shell using Rust

…missing something here. [0] : https://play.rust-lang.org/?version=stable&mode=debug&editio... [1] : https://github.com/rust-lang/rust/blob/master/src/libstd/sys...

comment by JoshMcguigan · 2018-11-18 · in Building your own shell using Rust

For reference, there's a tag on the issue tracker for things that have been blocked on NLL to fix: https://github.com/rust-lang/rust/labels/NLL-fixed-by-NLL Look for the ones that are also tagged "unsound" for the most serious instances.

comment by kibwen · 2018-11-06 · in How to speed up the Rust compiler in 2018: NLL edition

…has gone no further than https://github.com/rust-lang-nursery/api-guidelines/issues/6... [unix]: https://github.com/rust-lang/rust/blob/master/src/libstd/sys... [windows]: https://github.com/rust-lang/rust/blob/master/src/libstd/sys... [0]…

comment by masklinn · 2018-10-09 · in Rust RAII is better than the Haskell bracket pattern

…of borrow checking which everyone agrees are minor annoyances, even to experienced users: https://github.com/rust-lang/rust/issues/43234 Judging by that issue thread, some of these issues are about to be fixed.

comment by foldr · 2018-09-28 · in Zig 0.3.0 Released

…to use. And finally, fallible allocation can be added after the fact. It is being worked on: https://github.com/rust-lang/rust/issues/48043 For now, anyone who wants to use Rust in those situations, but still wants allocation support,…

comment by lambda · 2018-09-19 · in LLVM 7.0.0 released

…inherent to the language, it's possible to extend the standard library, and folks are doing so. See https://github.com/rust-lang/rust/issues/48043 for support of "fallible allocations".

comment by scottlamb · 2018-09-19 · in LLVM 7.0.0 released

Looks like it was as of LLVM 6: https://github.com/rust-lang/rust/pull/50744

comment by lambda · 2018-09-19 · in LLVM 7.0.0 released

According to the "Update to LLVM 7" ticket for Rust ( https://github.com/rust-lang/rust/issues/50543 ), many of the points of interest are in LLD, especially in WASM support: LLD has implemented --gc-sections for wasm LLD has implemented…

comment by lambda · 2018-09-19 · in LLVM 7.0.0 released

…about bugs, and if you try some stuff and find them, please file them. (We track them via this tag: https://github.com/rust-lang/rust/labels/I-slow ) Embedded can be tricky at times; we've had a working group pushing on making stuff great…

comment by steveklabnik · 2018-09-18 · in Falling in love with Rust

…incomplete implementation in nightly. It's not going to land in stable until early next year. https://github.com/rust-lang/rust/issues/50547 is the tracking issue.

comment by steveklabnik · 2018-09-13 · in Announcing Rust 1.29

…the discussions that I've peeked into). An example of the problem in this GitHub issue: https://github.com/rust-lang/rust/issues/53105

comment by kibwen · 2018-09-13 · in Using Rust for Game Development [video]

will work; it’s in-progress, but not ready for the big times yet, as far as I know https://github.com/rust-lang/rust/issues/49879

comment by steveklabnik · 2018-09-12 · in Firefox nightly is now built with clang LTO on all platforms

…don't have that high a tradeoff: https://morepypy.blogspot.com/2015/01/faster-more-memory-eff... https://github.com/rust-lang/rust/pull/45282#issuecomment-33...

comment by masklinn · 2018-09-07 · in Go says Wat

…seems like a very good idea. They're actually learning from other language's mistakes this time. https://github.com/rust-lang/rust/commit/3d5fef6f3001beeffde...

comment by notriddle · 2018-08-28 · in Go 2 Draft Designs

…> are also the less than and greater than operators. Rust recently had an small issue with this: https://github.com/rust-lang/rust/pull/53562

comment by platinumrad · 2018-08-28 · in Go 2 Draft Designs

…(and public) Default implementation for the struct. There was an issue on the tracker in the past ( https://github.com/rust-lang/rust/issues/42692 ) but the change is big enough that it would require an RFC, actual design and consensus,…

comment by masklinn · 2018-08-17 · in What else is in Go 1.11?

We did, eventually, after years, define it as a full byte though. https://github.com/rust-lang/rust/pull/46156

comment by steveklabnik · 2018-08-11 · in Cranelift, a low-level retargetable code generator written in Rust

…As for the rationale behind moving away from jemalloc as a default, the tracking issue is here: https://github.com/rust-lang/rust/issues/36963 (TL;DR: lower maintenance burden, easier cross-compilation, smaller binaries, better system…

comment by kibwen · 2018-08-02 · in Announcing Rust 1.28

…generate test functions using libtest. I'm not very familiar with the internals, but they're here: https://github.com/rust-lang/rust/blob/master/src/librustdoc...

comment by djrenren · 2018-07-23 · in The internals of testing in Rust in 2018

…Rust libraries, like libsyntax) without waiting for 30 minute builds after every minor change? [0]: https://github.com/rust-lang/rust/issues/36629 [1]: https://github.com/rust-lang/rfcs/issues/612

comment by cornstalks · 2018-07-23 · in The internals of testing in Rust in 2018

…which helps put this in further context. I think the original un-minimized crashing code was this: https://github.com/rust-lang/rust/issues/52213#issuecomment-... That's clearly more readable, and that's what more typical rust looks like.

comment by TheDong · 2018-07-20 · in Announcing Rust 1.27.2

…ub.com/rust-lang/rfcs/blob/master/text/1598-gene... and comments can be left on the tracking issue at https://github.com/rust-lang/rust/issues/44265 .

comment by kibwen · 2018-07-16 · in Async and Await in Rust: a full proposal

https://github.com/rust-lang/rust/issues/11927 is the discussion when minimal OS X version for Rust was bumped to 10.7.

comment by sanxiyn · 2018-07-05 · in Sponsorship needed for new OS/2 web browser (2017)

…with a similar train of thought, this PR describes the standard sorting algorithm used in Rust: https://github.com/rust-lang/rust/pull/38192

comment by dean177 · 2018-07-01 · in Timsort is a sorting algorithm that is efficient for real-world data

…restrict says “this does not alias”, which &Ts trivially do. It goes on &mut T. For example, see https://github.com/rust-lang/rust/pull/31545 , we had to remove this for a few releases due to an LLVM bug; it'll be back in the next release.…

comment by steveklabnik · 2018-06-30 · in Rust pointers for C programmers

…how it was handled. These arose because `restrict` is comparatively rarely used in C / C++ code. https://github.com/rust-lang/rust/issues/31681

comment by shepmaster · 2018-06-27 · in Dangerous Optimizations and the Loss of Causality in C and C++ (2010) [pdf]

No. Rust has always had C-family syntax. You can look at the first public commit with the code at https://github.com/rust-lang/rust/tree/d6b7c96c3eb29b9244ece... ; src/test/run-pass shows lots of examples of the syntax.

comment by chrismorgan · 2018-06-24 · in Rust 2018: an early preview

…of the intents is to make it easier to audit for what is publicly exposed and what isn't. Found it: https://github.com/rust-lang/rust/issues/45521

comment by epage · 2018-06-23 · in Rust 2018: an early preview