rust/compiler/rustc_ast
Jacob Pratt b32845c61a
Rollup merge of #148837 - estebank:let-else, r=Kivooeo
Use `let...else` instead of `match foo { ... _ => return };` and `if let ... else return`
2025-12-13 00:55:55 -05:00
..
src Rollup merge of #148837 - estebank:let-else, r=Kivooeo 2025-12-13 00:55:55 -05:00
Cargo.toml Update memchr to 2.7.6 2025-09-26 17:53:49 +02:00
README.md docs(rustc_ast): update crate descriptions 2021-11-02 21:11:17 -05:00

The rustc_ast crate contains those things concerned purely with syntax that is, the AST ("abstract syntax tree"), along with some definitions for tokens and token streams, data structures/traits for mutating ASTs, and shared definitions for other AST-related parts of the compiler (like the lexer and macro-expansion).

For more information about how these things work in rustc, see the rustc dev guide: