![]() For each of these, we need to decide whether they need to be using `expr_requires_semi_to_be_stmt`, or `expr_requires_comma_to_be_match_arm`, which are supposed to be 2 different behaviors. Previously they were conflated into one, causing either too much or too little parenthesization. |
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src | ||
Cargo.toml | ||
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: