{"ast_node_type":"other","tokens":[{"end":62,"kind":"keyword","start":0,"text":"check!(Option<T>,"}]}
            check!(Option<T>, VAL4.checked_mul(black_box(2)));
            check!(Option<T>, VAL3.checked_mul(VAL3));
            check!(Option<T>, VAL5.checked_mul(black_box(2)));