syntax_data: {"ast_node_type":"other","tokens":[{"end":59,"kind":"keyword","start":0,"text":"///"}]}
source_snippet: /// eligible for structural-match: namely, if it implements
context_before: /// This method returns true if and only if `adt_ty` itself has been marked as
context_after: /// `StructuralPartialEq` (which is injected by `#[derive(PartialEq)]`).