{"ast_node_type":"variable","tokens":[{"end":93,"kind":"keyword","start":0,"text":"let"}]}
                let kind = if x.width == 1 || matches!(x.ret_activity, DiffActivity::Dualv) {
            if matches!(x.ret_activity, DiffActivity::Dual | DiffActivity::Dualv) {
                    // Dual can only be used for f32/f64 ret.