{"ast_node_type":"other","tokens":[{"end":94,"kind":"keyword","start":0,"text":".any(|&act|"}]}
            .any(|&act| matches!(act, DiffActivity::DuplicatedOnly | DiffActivity::DualOnly));
            .iter()
        for (arg, activity) in sig.decl.inputs.iter().zip(x.input_activity.iter()) {