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rust/compiler/rustc_ast
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Nicholas Nethercote 314dbc7f22 Avoid useless checking in from_token_lit. 
The parser already does a check-only unescaping which catches all
errors. So the checking done in `from_token_lit` never hits.

But literals causing warnings can still occur in `from_token_lit`. So
the commit changes `str-escape.rs` to use byte string literals and C
string literals as well, to give better coverage and ensure the new
assertions in `from_token_lit` are correct.
2024-01-25 12:22:17 +11:00
..
src Avoid useless checking in from_token_lit. 2024-01-25 12:22:17 +11:00
Cargo.toml Update to bitflags 2 in the compiler 2023-12-30 18:17:28 +01:00
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: