Area: Messages for errors, warnings, and lints
Area: Calculating how much of a crate has documentation
Area: Documentation for any part of the project, including the compiler, standard library, and tools
Area: Documentation tests, run by rustdoc
Area: The `rust.download-rustc` build option.
Area: rustc_driver that ties everything together into the `rustc` compiler
Area: Dynamically-sized types (DSTs)
Area: Dyn compatibility (formerly: object safety)
Area: Dynamic/Shared Libraries
Area: The 2015 edition (the first edition)
Area: The 2027 edition (TBD)
🤓 akshually it's an "ADT" or "algebraic data type"
Area: Explanation of an error code (--explain)
Relating to exhaustiveness / usefulness checking of patterns
Area: Foreign function interface (FFI)
Area: Floating point numbers and arithmetic
Area: Compiler frontend (errors, parsing and HIR)
Area: Generic associated types (GATs)
Things relevant to the [future] GCC backend
Area: `git`-related shenanigans (usually bootstrap related)
Area: GitHub Actions (GHA)
Area: The grammar of Rust