From: Rene Rivera (grafik666_at_[hidden])
Date: 2003-05-04 00:52:50
[2003-05-04] Noel Yap wrote:
>Rene Rivera wrote:
>> But I know of at least one need for "out" parameters:
>>
>> An asynchronous call that needs to "return" results. But because it's
>> asynch it can't return it as the result of the call.
>
>Good point. OTOH, can't this be considered an in/out parameter since
>the caller must own the object being set?
Yes, but that's the same as saying that you can consider an in parameter an
in/out parameter, for the same reason ;-)
The called function has no interest in the previous value of the out
parameter, if any. And that's what makes it an out parameter, not the
ownership.
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