Feature gate: #![feature(alloc_io)] This is a tracking issue for using module io in alloc (and hopefully in core one day). Public API alloc::io and core::io modules. Steps / History (Remember to up...

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This RFC proposes changes to Rust's operational semantics and MIR representation to enable elimination of unnecessary copies of local variables. Specifically, it makes acc...

Learn why a Tokio mutex in async Rust can appear deadlocked even when unlocked, how a waker-contract violation traps permits, and how to fix it safely.

Heap profiling and ad hoc profiling for Rust programs. - nnethercote/dhat-rs

It's silly to emit two loops (because of the drop ladder -- just one in panic=abort) for every array length that's dropped when we can just polymorphize to the slice version.
Built ...

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We used to special case core::ptr::drop_in_place when computing LLVM argument attributes with this hack:



rust/compiler/rustc_ty_utils/src/abi.rs


...

To head off unfocused discussion, I ask that folks refrain from making this thread a discussion about whether or not Rust should be introduced into CPython. There will be a PEP thread for that later this year! We (the Rust for CPython community) wanted…

This release includes over 390 commits spanning bug fixes, new features,
performance optimizations, and portability improvements. Multiple percent
of system-level metric improvements were measured...

Note: This is not ready for review. I accidentally opened this pull request before it was ready.
Hello! I didn't mean to convert this to a PR (let alone a draft PR), but this branch impleme...

Summary
This PR adds the missing symmetric PartialEq implementations that were requested in issue #152830.
Previously, only the 'forward' direction (VecDeque == Vec, VecDeque == &am...

Currently we pick "weird" numbers like 1114112 for None::<char>. While that's not wrong, it's kinda unnatural -- a human wouldn't make that ...

This adds a new type parameter to the Range types:
pub struct Range<
Start,
#[unstable(feature = "new_range_end_bound", issue = "155456")]
End...

A low-level virtualization interface for Linux-based systems using WebAssembly - Wasm-Thin-Kernel-Interfaces/WALI

Safe, constant-time, minimal-space-overhead casting between trait objects that share a common root supertrait. A bounded trait graph is one rooted at a single explicitly-declared supertrait; that r...

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ACP: rust-lang/libs-team#755
Tracking issue: #154046
Related: #155574
Related: #152918
Description
Moves std::io::Error into core, deferring Box-adjacent methods to incoherent...

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This PR:

stabilizes the never type (!!!)
sets the never type fallback to ! on all editions (breaking change, see crater report analysis and refresher on never type fallback)
rem...

This is a tracking issue for experimenting on the concept of view types. The feature gate for the issue is #![feature(view_types)]. Description of the feature The goal of this feature is to experim...

This is very much a work in progress, and currently will sometimes generate broken/unsound MIR.

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Add a barebones implementation for Move (#149607), pending some diagnostics changes & tests.
TODO

next solver currently ICEs when not enabling feature(move_trait)
chan...