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rust/compiler/rustc_ast
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bors b04c5329e1 Auto merge of #96210 - nnethercote:speed-up-TokenCursor, r=petrochenkov 
Speed up `TokenCursor`

Plus a few related clean-ups.

r? `@petrochenkov`
2022-04-21 15:42:50 +00:00
..
src Auto merge of #96210 - nnethercote:speed-up-TokenCursor, r=petrochenkov 2022-04-21 15:42:50 +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

README.md

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: