rust/compiler/rustc_ast
bors 5ec7d1dad6 Auto merge of #90559 - rusticstuff:optimize-bidi-detection, r=davidtwco
Optimize bidi character detection.

Should fix most of the performance regression of the bidi character detection (#90514), to be confirmed with a perf run.
2021-11-06 16:25:00 +00:00
..
src Auto merge of #90559 - rusticstuff:optimize-bidi-detection, r=davidtwco 2021-11-06 16:25:00 +00:00
Cargo.toml Migrate to 2021 2021-09-20 22:21:42 -04:00
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: