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## Summary [summary]: #summary The focus of this year is on project health, specifically as it relates to Rust's governance structure. * Establishing charters for teams in the Rust project * Provide for unified process and vocabulary across...
## Summary [summary]: #summary Allow Cargo packages to depend on `bin`, `cdylib`, and `staticlib` crates, and use the artifacts built by those crates. ## Motivation [motivation]: #motivation There are many different possible use cases. - [R...
## Summary [summary]: #summary Introduce a `#[must_not_suspend]` lint in the compiler that will warn the user when they are incorrectly holding a struct across an await boundary. ## Motivation [motivation]: #motivation Enable users to fearl...
## Summary [summary]: #summary Restrict (implicit) [promotion][rfc1414], such as lifetime extension of rvalues, to infallible operations. [rfc1414]: https://github.com/rust-lang/rfcs/blob/master/text/1414-rvalue_static_promotion.md ## Motiv...
## Checking conditional compilation at compile time ## Summary Rust supports conditional compilation, analogous to `#ifdef` in C / C++ / C#. Experience has shown that managing conditional compilation is a significant burden for large-scale...
## Summary [summary]: #summary The current design of the `Read` trait is nonoptimal as it requires that the buffer passed to its various methods be pre-initialized even though the contents will be immediately overwritten. This RFC proposes...
## Summary This RFC proposes to make `core::panic!` and `std::panic!` identical and consistent in Rust 2021, and proposes a way to deal with the differences in earlier editions without breaking code. ## Problems `core::panic!` and `std::pan...
## Summary [summary]: #summary Define UB during const evaluation to lead to an unspecified result or hard error for the affected CTFE query, but not otherwise infect the compilation process. ## Motivation [motivation]: #motivation So far, n...
## Summary [summary]: #summary Introduce the `AsyncIterator` trait into the standard library, using the design from `futures`. Redirect the `Stream` trait definition in the `futures-core` crate (which is "pub-used" by the `futures` crate) t...
## Summary [summary]: #summary This proposes a new `cfg`: `target_abi`, which specifies certain aspects of the target's [Application Binary Interface (ABI)][abi]. This also adds a `CARGO_CFG_TARGET_ABI` environment variable for parity with...
## This RFC was previously approved, but part of it later **withdrawn** The `cfg(target = "...")` conditional compilation key was previously approved, but was later withdrawn. For details, see the [summary comment]. [summary comment]: https...
## Summary [summary]: #summary This is a project group RFC version of [`lang-team#29`]. This RFC establishes a new project group, under the libs team, to produce a portable SIMD API in a new `rust-lang/stdsimd` repository, exposed through a...
## Summary This document attempts to increase the utility of [naked functions](https://github.com/rust-lang/rfcs/blob/master/text/1201-naked-fns.md) by constraining their use and increasing their defined invariants. ## Motivation Naked func...
## Summary [summary]: #summary This RFC establishes a new project group, under the libs team, to drive efforts to improve error handling in Rust. ## Motivation [motivation]: #motivation The error handling project group aims to reduce confus...
## Summary [summary]: #summary Promote the Arm aarch64-unknown-linux-gnu Rust target to Tier-1. The next section provides a justification for the promotion. **Please note that the following are required next steps that should ideally emerge...
## Summary [summary]: #summary This RFC describes the design of a JSON output for the tool `rustdoc`, to allow tools to lean on its data collection and refinement but provide a different front-end. ## Motivation [motivation]: #motivation Th...
## Summary [summary]: #summary Provide an extensible mechanism for tweaking linking behavior of native libraries both in `#[link]` attributes (`#[link(modifiers = "+foo,-bar")]`) and on command line (`-l static:+foo,-bar=mylib`). ## Motivat...
Ways to eliminate memcpy calls when using the standard library.
An abstraction for audio PCM DSP samples, along with useful conversions and operations.
An abstraction for audio PCM DSP frames, along with useful conversions and operations.
"Error types should be located near to their unit of fallibility."