@ConstantFunction(name = "add", argTypes = {INT, INT}, returnType = INT, isMonotonic = true)
    public static ConstantOperator addInt(ConstantOperator first, ConstantOperator second) {
        return ConstantOperator.createInt(Math.addExact(first.getInt(), second.getInt()));
    }
@Test
    public void addInt() {
        assertEquals(20,
                ScalarOperatorFunctions.addInt(O_INT_10, O_INT_10).getInt());
    }