{"ast_node_type":"other","tokens":[{"end":55,"kind":"keyword","start":0,"text":"ExprKind::Break(opt_label,"}]}
                ExprKind::Break(opt_label, opt_expr) =>
                    visit_visitable!($($mut)? vis, maybe_qself, path),
                    visit_visitable!($($mut)? vis, opt_label, opt_expr),