>>>Hi Vlad,
>>>
>>>My guess is that TYPE() function doesn't evaluate UDF's for performance reason.
>>
>>And how about side-effects? The UDF might do almost anything.
>
>I agree with your analysis. The UDF could be called with a reference parameter, and in fact return nothing at all in the normal sense.
Yes, but apart from return-values, I meant that the function might have
undesirable side effects. That is, apart from returning a value, the UDF might change the environment, close the application, delete data, etc.
Hilmar.
Difference in opinions hath cost many millions of lives: for instance, whether flesh be bread, or bread be flesh; whether whistling be a vice or a virtue; whether it be better to kiss a post, or throw it into the fire... (from Gulliver's Travels)
