syntax_data: {"ast_node_type":"other","tokens":[{"end":37,"kind":"keyword","start":0,"text":"///"}]}
source_snippet: /// emitted during THIR construction.
context_before: /// Information on a pattern incompatible with Rust 2024, for use by the error/migration diagnostic
context_after: #[derive(TyEncodable, TyDecodable, Debug, HashStable)]