syntax_data: {"ast_node_type":"variable","tokens":[{"end":80,"kind":"keyword","start":0,"text":"///"}]}
source_snippet:     /// } else if let TyKind::CoroutineClosure(def_id, args) = closure_ty.kind()
context_before:     ///     println!("{:?}", args.as_closure().kind());
context_after:     /// {