195e931b02
Rollup of 7 pull requests Successful merges: - #90939 (Tweak errors coming from `for`-loop, `?` and `.await` desugaring) - #91859 (Iterator::cycle() — document empty iterator special case) - #91868 (Use `OutputFilenames` to generate output file for `-Zllvm-time-trace`) - #91870 (Revert setting a default for the MACOSX_DEPLOYMENT_TARGET env var for linking) - #91881 (Stabilize `iter::zip`) - #91882 (Remove `in_band_lifetimes` from `rustc_typeck`) - #91940 (Update cargo) Failed merges: r? `@ghost` `@rustbot` modify labels: rollup |
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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: