5b8a7a0917
This commit adds support for a `#[diagnostic::on_unimplemented]` attribute with the following options: * `message` to customize the primary error message * `note` to add a customized note message to an error message * `label` to customize the label part of the error message Co-authored-by: León Orell Valerian Liehr <me@fmease.dev> Co-authored-by: Michael Goulet <michael@errs.io> |
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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: