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RFC: Give users control over feature unification

51

This adds `resolver.feature-unification` to `.cargo/config.toml` to allow workspace unfication (cargo-workspace-hack) or per-package unification (`cargo hack`). [Rendered](https://github.com/epage/rfcs/blob/feature-unification/text/3692-feature-unification.md)

Non-critical corrections - October 2024 Edition

35

Please list any corrections you noticed `typos` doesn't fix and we'll roll these up into a single PR, making it lighter weight for adding new corrections. Preferred format (for easy...

````rust #[test] fn fuzzed_42537130() { let data = r#" [_.s.K] [_] s.0.0=2 [_.s.0.1] [_.s] "#; let doc = data.parse::().unwrap(); let toml = doc.to_string(); let doc = toml.parse::(); assert!( doc.is_ok(), "parse...

[Rust] Frontmatter syntax support

2

### What happened? [RFC #3503](https://github.com/rust-lang/rfcs/pull/3503) adds support for a new frontmatter syntax. The contained content format is defined by the calling tool with a tool identifier. In [RFC #3502](https://github.com/rust-lang/rfcs/pull/3502), the...

This is being split off of rust-lang/cargo#13530 so there is a place to follow discussions on this topic. From rust-lang/cargo#13530 > For new version publishing, the current restriction is per...

feat(fmt)!: Generalize custom formatter to 'RecordFormat'

2

This breaks type inference for basic custom formatters

### Problem [RFC #3503](https://github.com/rust-lang/rfcs/pull/3503) adds support for a new frontmatter syntax. The contained content format is defined by the calling tool with a tool identifier. In [RFC #3502](https://github.com/rust-lang/rfcs/pull/3502), the `cargo`...

Reduce build times for dependents by moving `build.rs` to a snapshot test

2

Generating static code in a `build.rs` works well when there is a lot of churn as developers can make a change and its automatically applied. This comes at a cost...

As part of this, we should keep in mind #118

```rust .element( Origin::new("$SRC_DIR/core/src/cmp.rs") .line(334) .char_column(14) .primary(true) .label("...because it uses `Self` as a type parameter") ) ``` seems to create ``` --> $SRC_DIR/core/src/cmp.rs:334:14 | = note: ...because it uses `Self` as...