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90 changes: 87 additions & 3 deletions draft/2025-03-12-this-week-in-rust.md
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Expand Up @@ -47,7 +47,9 @@ and just ask the editors to select the category.

## Crate of the Week

<!-- COTW goes here -->
This week's crate is [eval-macro](https://crates.io/crates/eval-macro), a crate that allows to evaluate macros at compile time, giving similar feel to Zig's comptime.

Thanks to [Aleksander Krauze](https://users.rust-lang.org/t/crate-of-the-week/2704/1419) for the suggestion!

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

Expand Down Expand Up @@ -106,7 +108,85 @@ If you are an event organizer hoping to expand the reach of your event, please s

## Updates from the Rust Project

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

[merged]: https://github.com/search?q=is%3Apr+org%3Arust-lang+is%3Amerged+merged%3A2025-03-04..2025-03-11

#### Compiler

* [ergonomic ref counting](https://github.com/rust-lang/rust/pull/134797)
* [on long spans, trim the middle of them to make them fit in the terminal width](https://github.com/rust-lang/rust/pull/137757)
* [split the `Edges` iterator](https://github.com/rust-lang/rust/pull/137655)
* [perf: change TaskDeps to start preallocated with 128 capacity](https://github.com/rust-lang/rust/pull/137563)
* [perf: speed up target feature computation](https://github.com/rust-lang/rust/pull/137586)

#### Library

* [stabilize `[T]::split_off...` methods](https://github.com/rust-lang/rust/pull/137829)
* [stabilize `box_uninit_write`](https://github.com/rust-lang/rust/pull/137850)
* [stabilize `const_char_classify, const_sockaddr_setters`](https://github.com/rust-lang/rust/pull/138129)
* [stabilize `const_vec_string_slice`](https://github.com/rust-lang/rust/pull/137319)
* [stabilize `string_extend_from_within`](https://github.com/rust-lang/rust/pull/137569)
* [stabilize feature `const_copy_from_slice`](https://github.com/rust-lang/rust/pull/138098)
* [override default `Write` methods for cursor-like types](https://github.com/rust-lang/rust/pull/137107)
* [specialize `OsString::push` and `OsString as From` for UTF-8](https://github.com/rust-lang/rust/pull/137777)
* [perf: improve the generic MIR in the default `PartialOrd::le` and friends](https://github.com/rust-lang/rust/pull/137904)
* [count char width at most once in `Formatter::pad`](https://github.com/rust-lang/rust/pull/136662)
* [fix char count in `Display` for `ByteStr`](https://github.com/rust-lang/rust/pull/137772)
* [fix crash in `BufReader::peek()`](https://github.com/rust-lang/rust/pull/137832)

#### Cargo

* [cargo tree: Add `--depth public` behind `-Zunstable-options`](https://github.com/rust-lang/cargo/pull/15243)
* [cargo: add terminal integration via ANSI OSC 9;4 sequences](https://github.com/rust-lang/cargo/pull/14615)
* [cargo: don't use `$CARGO_BUILD_TARGET` in `cargo metadata`](https://github.com/rust-lang/cargo/pull/15271)
* [cargo: add completions for add --path](https://github.com/rust-lang/cargo/pull/15288)
* [cargo: add completions for install --path](https://github.com/rust-lang/cargo/pull/15266)
* [cargo: respect --frozen everywhere --offline or --locked is accepted](https://github.com/rust-lang/cargo/pull/15263)

#### Rustdoc

* [fix `O(tests)` stack usage in edition 2024 mergeable doctests](https://github.com/rust-lang/rust/pull/138281)
* [search: increase strictness of typechecking](https://github.com/rust-lang/rust/pull/137981)* [rustdoc: add attribute-related tests for rustdoc JSON](https://github.com/rust-lang/rust/pull/138033)
* [hide item that is not marked as `doc(inline)` and whose src is `doc(hidden)`](https://github.com/rust-lang/rust/pull/137534)

#### Clippy

* [clippy: `arbitrary_source_item_ordering`: Make alphabetic ordering in module item groups optional](https://github.com/rust-lang/rust-clippy/pull/13718)
* [clippy: `unnecessary_to_owned`: don't call `iter()` on a temporary object](https://github.com/rust-lang/rust-clippy/pull/14243)
* [clippy: add missing tests annotations for `ui-internal`](https://github.com/rust-lang/rust-clippy/pull/14388)
* [clippy: don't trigger `blocks_in_conditions` when the condition contains a `return`](https://github.com/rust-lang/rust-clippy/pull/14338)
* [clippy: don't trigger `unnecessary_debug_formatting` in tests](https://github.com/rust-lang/rust-clippy/pull/14347)
* [clippy: fix `manual_let_else` missing binding mode](https://github.com/rust-lang/rust-clippy/pull/14204)
* [clippy: better help for `mixed_case_hex_literals`](https://github.com/rust-lang/rust-clippy/pull/14235)
* [clippy: improve `needless_pass_by_value` suggestion](https://github.com/rust-lang/rust-clippy/pull/13880)
* [clippy: make `struct_field_names` check private fields of public structs](https://github.com/rust-lang/rust-clippy/pull/14076)
* [clippy: refactor function after adding a new diagnostic item](https://github.com/rust-lang/rust-clippy/pull/14306)
* [clippy: remove Known problems section for `vec_box`](https://github.com/rust-lang/rust-clippy/pull/14252)
* [clippy: rename the MSRV alias `MANUAL_DIV_CEIL` to `DIV_CEIL`](https://github.com/rust-lang/rust-clippy/pull/14329)
* [clippy: use `size_of` from the prelude instead of imported](https://github.com/rust-lang/rust-clippy/pull/14355)
* [clippy: `io_error_other`: walk back to the root context to compute the span](https://github.com/rust-lang/rust-clippy/pull/14349)

#### Rust-Analyzer

* [rust-analyzer: `fix(hir): VariantDef` is `impl HasSource`](https://github.com/rust-lang/rust-analyzer/pull/19314)
* [rust-analyzer: add missing name-ref parents to syntactic highlighting](https://github.com/rust-lang/rust-analyzer/pull/19326)
* [rust-analyzer: add warning and debug information when `cargo metadata` fails](https://github.com/rust-lang/rust-analyzer/pull/19290)
* [rust-analyzer: adjust relevance scoring threshold to consistent with existing implem…](https://github.com/rust-lang/rust-analyzer/pull/19297)
* [rust-analyzer: add diagnostic for dangling dyn and impl](https://github.com/rust-lang/rust-analyzer/pull/19265)
* [rust-analyzer: warn the user when a rename will change the meaning of the program](https://github.com/rust-lang/rust-analyzer/pull/19079)
* [rust-analyzer: `path` macro hygiene](https://github.com/rust-lang/rust-analyzer/pull/19327)
* [rust-analyzer: syntax highlightingg punct filtering ignoring mods](https://github.com/rust-lang/rust-analyzer/pull/19292)
* [rust-analyzer: fix diagnostics being cleared right after being received](https://github.com/rust-lang/rust-analyzer/pull/19333)
* [rust-analyzer: normalize projections in evaluated const display and layout calculation](https://github.com/rust-lang/rust-analyzer/pull/19330)
* [rust-analyzer: prevent wrong invocations of `needs_parens_in` with non-ancestral "parent"s](https://github.com/rust-lang/rust-analyzer/pull/19324)
* [rust-analyzer: highlight unsafe operations as unsafe, not definitions](https://github.com/rust-lang/rust-analyzer/pull/19274)
* [rust-analyzer: improve keyword completion for 'let' and 'let mut'](https://github.com/rust-lang/rust-analyzer/pull/19279)
* [rust-analyzer: log build script error output in `load_cargo::load_workspace_at`](https://github.com/rust-lang/rust-analyzer/pull/19311)
* [rust-analyzer: make `GenericParamsCollector::type_or_consts` not unnecessarily `pub(crate)`](https://github.com/rust-lang/rust-analyzer/pull/19343)
* [rust-analyzer: make change annotations per text-edit](https://github.com/rust-lang/rust-analyzer/pull/19332)
* [rust-analyzer: move loaded project MSRV back to 1.78, show notification for the warning](https://github.com/rust-lang/rust-analyzer/pull/19308)
* [rust-analyzer: rank ADT constructors as constructors for completion scoring](https://github.com/rust-lang/rust-analyzer/pull/19325)

### Rust Compiler Performance Triage

Expand Down Expand Up @@ -307,7 +387,11 @@ Please see the latest [Who's Hiring thread on r/rust](INSERT_LINK_HERE)

# Quote of the Week

<!-- QOTW goes here -->
> Treat *anything* starting with `cargo` as if it is `cargo run`. This applies even to commands that do not build anything, such as `cargo clean`, and third-party plugins, such as `cargo audit`.

– [Sergey "Shnatsel" Davidoff on /r/rust](https://old.reddit.com/r/rust/comments/1j2i3s0/psa_do_not_run_any_cargo_commands_on_untrusted)

Thanks to [llogiq](https://users.rust-lang.org/t/twir-quote-of-the-week/328/1661) 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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