{"ast_node_type":"other","tokens":[{"end":96,"kind":"keyword","start":0,"text":"self.arena.alloc(self.expr_lang_item_path(span,"}]}
                self.arena.alloc(self.expr_lang_item_path(span, hir::LangItem::AsyncGenPending))
            let yielded = if is_async_gen {
            } else {