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rust/compiler/rustc_ast
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Nicholas Nethercote 82a609f9a6 Shrink the comment on TokenTree. 
It uses very old language that is more confusing today than helpful,
including references to `SubstNt` that no longer exists. The comment
above `TokenStream` is better, and suffices for a basic understanding of
these types.
2024-03-21 10:18:34 +11:00
..
src Shrink the comment on TokenTree. 2024-03-21 10:18:34 +11:00
Cargo.toml Split rustc_type_ir to avoid rustc_ast from depending on it 2024-02-27 18:11:23 +00:00
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: