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mariannegoldin merged 1 commit into from
Mar 27, 2025
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C/QotW and notable changes #6507

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77 changes: 74 additions & 3 deletions draft/2025-03-26-this-week-in-rust.md
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Expand Up @@ -59,7 +59,9 @@ and just ask the editors to select the category.

## Crate of the Week

<!-- COTW goes here -->
This week's crate is [jiff](https://crates.io/crates/jiff), a datetime library for Rust.

Thanks to [Filip T](https://users.rust-lang.org/t/crate-of-the-week/2704/1420) for the suggestion!

[Please submit your suggestions and votes for next week][submit_crate]!

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## Updates from the Rust Project

<!-- Rust updates go here -->
496 pull requests were [merged in the last week][merged]

[merged]: https://github.com/search?q=is%3Apr+org%3Arust-lang+is%3Amerged+merged%3A2025-03-18..2025-03-25

#### Compiler

* [lower to a `memset(undef)` when `Rvalue::Repeat` repeats uninit](https://github.com/rust-lang/rust/pull/138634)

#### Library

* [`MaybeUninit` inherent slice methods part 2](https://github.com/rust-lang/rust/pull/135394)
* [core/slice: mark some `split_off` variants unstably const](https://github.com/rust-lang/rust/pull/138540)
* [core: optimize `RepeatN`](https://github.com/rust-lang/rust/pull/138833)
* [implement default methods for `io::Empty` and `io::Sink`](https://github.com/rust-lang/rust/pull/137051)
* [optimize `io::Write::write_fmt` for constant strings](https://github.com/rust-lang/rust/pull/138650)
* [simplify `PartialOrd` on tuples containing primitives](https://github.com/rust-lang/rust/pull/138135)
* [reduce `FormattingOptions` to 64 bits](https://github.com/rust-lang/rust/pull/136974)

#### Cargo

* [add custom completer for cargo `<TAB>` to complete aliases defined in config.toml](https://github.com/rust-lang/cargo/pull/15319)

#### Rustdoc

* [be more strict about "Methods from Deref"](https://github.com/rust-lang/rust/pull/138574)
* [gate unstable `doc(cfg())` predicates](https://github.com/rust-lang/rust/pull/138293)
* [use own logic to print `#[repr(..)]` attributes in JSON output](https://github.com/rust-lang/rust/pull/138018)

#### Clippy

* [`wildcard_imports`: lint on `pub use` if asked to](https://github.com/rust-lang/rust-clippy/pull/14182)
* [add MSRV check for `question_mark`](https://github.com/rust-lang/rust-clippy/pull/14436)
* [add `ignore_without_reason` lint](https://github.com/rust-lang/rust-clippy/pull/13931)
* [emit `collapsible_match` at the right node](https://github.com/rust-lang/rust-clippy/pull/14311)
* [expand `neg_multiply` to lint float numbers as well](https://github.com/rust-lang/rust-clippy/pull/14447)
* [fix suggestion for assignments have enclosing parentheses under `needless_late_init`](https://github.com/rust-lang/rust-clippy/pull/14169)
* [fix: `borrow_deref_ref` suggests wrongly when coerce to mut](https://github.com/rust-lang/rust-clippy/pull/14403)
* [fix: `filter_map_bool_then` suggest wrongly when the closure cannot be decompose directly](https://github.com/rust-lang/rust-clippy/pull/14370)
* [fix: `manual_find` suggests wrongly when early return](https://github.com/rust-lang/rust-clippy/pull/14405)
* [fix: `missing_const_for_fn` false positive on unstable const traits](https://github.com/rust-lang/rust-clippy/pull/14294)
* [fix: `nonminimal_bool` wrongly showed the macro definition](https://github.com/rust-lang/rust-clippy/pull/14424)
* [fix: `option_if_let_else` false positive when value partially moved](https://github.com/rust-lang/rust-clippy/pull/14209)
* [fix: `redundant_clone` false positive on `enum` cast](https://github.com/rust-lang/rust-clippy/pull/14395)
* [improve `string_to_string` lint in case it is in a map call](https://github.com/rust-lang/rust-clippy/pull/14396)
* [lint more cases in `collapsible_if`](https://github.com/rust-lang/rust-clippy/pull/14231)
* [make `never_loop` applicability more flexible](https://github.com/rust-lang/rust-clippy/pull/14203)
* [move `uninlined_format_args` back to `style`](https://github.com/rust-lang/rust-clippy/pull/14160)
* [reinstate `single_match`/`single_match_else` lints with comments](https://github.com/rust-lang/rust-clippy/pull/14420)
* [suggest `is_some_and` instead of `map_or` in `case_sensitive_file_extension_comparions`](https://github.com/rust-lang/rust-clippy/pull/14358)
* [unify `manual_unwrap_or` and `manual_unwrap_or_default` code](https://github.com/rust-lang/rust-clippy/pull/14332)
* [use `code` for references to other lints in `as_conversions` docs](https://github.com/rust-lang/rust-clippy/pull/14283)

#### Rust-Analyzer

* [fix ide-assist `let else` to `if let else`](https://github.com/rust-lang/rust-analyzer/pull/19433)
* [add diagnostic for missing ambiguity error for impl trait](https://github.com/rust-lang/rust-analyzer/pull/19347)
* [add postfix completion for const block](https://github.com/rust-lang/rust-analyzer/pull/19397)
* [add text edit support for return type hints on non-block body closures](https://github.com/rust-lang/rust-analyzer/pull/19348)
* [analysis-stats: emit lines of code and item tree counts for workspace; dependencies](https://github.com/rust-lang/rust-analyzer/pull/19359)
* [parse `unsafe` record fields](https://github.com/rust-lang/rust-analyzer/pull/19388)
* [fix missing syntax highlighting for `&raw const` / `&raw mut` in all files](https://github.com/rust-lang/rust-analyzer/pull/19400)
* [fix closure return inlayhints using macro ranges](https://github.com/rust-lang/rust-analyzer/pull/19435)
* [handle multiple `#[repr(..)]` attrs correctly](https://github.com/rust-lang/rust-analyzer/pull/19416)
* [properly calculate the layouts of tuple ptrs whose last fields are DST](https://github.com/rust-lang/rust-analyzer/pull/19413)
* [render layout and other extra information on hovering `Self`](https://github.com/rust-lang/rust-analyzer/pull/19419)
* [speed up resolving a "Generate delegate method" assist](https://github.com/rust-lang/rust-analyzer/pull/19362)

### Rust Compiler Performance Triage

Expand Down Expand Up @@ -320,7 +387,11 @@ Please see the latest [Who's Hiring thread on r/rust](INSERT_LINK_HERE)

# Quote of the Week

<!-- QOTW goes here -->
> Did it work? It’s Rust, so it worked on the first try!

– [James Calligeros on the Asahi progress report](https://asahilinux.org/2025/03/progress-report-6-14/)

Thanks to [yerke](https://users.rust-lang.org/t/twir-quote-of-the-week/328/1663) for the suggestion!

[Please submit quotes and vote for next week!](https://users.rust-lang.org/t/twir-quote-of-the-week/328)

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