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rust/compiler/rustc_ast
Nicholas Nethercote 76b04437be Remove NtTy.
Notes about tests:

- tests/ui/parser/macro/trait-object-macro-matcher.rs: the syntax error
  is duplicated, because it occurs now when parsing the decl macro
  input, and also when parsing the expanded decl macro. But this won't
  show up for normal users due to error de-duplication.

- tests/ui/associated-consts/issue-93835.rs: similar, plus there are
  some additional errors about this very broken code.

- The changes to metavariable descriptions in #132629 are now visible in
  error message for several tests.
2025-02-21 15:49:46 +11:00
..
src Remove NtTy. 2025-02-21 15:49:46 +11:00
Cargo.toml Pin memchr to 2.5.0 in the library rather than rustc_ast 2024-09-24 18:09:43 +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: