"Pavol Droba" <droba@topmail.sk> wrote in message news:20041008213049.GP1510@lenin.felcer.sk... | > I would like to see real examples and then see if I can recode them so we can | > compare. But it has | > to be real examples (you must have plenty from your work? Just take one where | > you use shared_ptr). | > But seriously, I don't recall the need for 0's for a long time. | | Not plenty, but indeed I have the cases. IIRC I have already described | one example. | | I'm using a container of smart pointer of a fixed size. Each place is designated | as a slot and althouch all members of container have common predecessor and functionality, | each slot has a special meaning. | Generaly, the container is used from more then entity. For one it is just a bunch | of objects that are used in an order, for another entity, each slot have a different meaning. | There are even assertions for a specific types, that have be present on a specific slot. | | Slot can be empty of cause. In that case, first entity simply skips it, second entity | is also aware of it an acts accordingly. | | If I would go your way, I will need a special class for every slot, because from the | POV of the second entity, they are all different. | | Do you need a code to see this? yes please. -Thorsten