02a58a9bee
Experimentally add *heterogeneous* `try` blocks rust-lang/rust#148725 moved the default to being homogeneous; this adds heterogeneous ones back under an obvious-bikeshed syntax so people can experiment with that as well. Essentially resolves rust-lang/rust#149025 by letting them move to this syntax instead. New tracking issue: rust-lang/rust#149488 Related RFC: https://github.com/rust-lang/rfcs/pull/3721#issuecomment-3208342727 (specifically about experimenting) |
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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: