Hello all: I am just starting to play with the new WeakPtr types in OpenSG. Very nice.
I have one suggestion for the documentation. I think we should recommend a usage idiom for people to only use WeakPtr's if they have first been converted to Rec/Ref Ptrs. This would be similar to the recommended usage of boost weak pointers. (http://www.boost.org/doc/libs/1_38_0/libs/smart_ptr/weak_ptr.htm) The reasoning is that there is no general way to guarantee that the following code will work: NodeWeakPtr n = someOtherRef; [do something] if(n != NULL) { std::cout << "n points to a live Node" << std::endl; } If instead it was like this: NodeWeakPtr n = someOtherRef; NodeRefPtr temp_ref(n); if(temp_ref != NULL) { std::cout << "temp_ref points to a live Node" << std::endl; } then the reference counting mechanisms will ensure that everything works ok. I know that this also relates to using multiple threads, but it just seems safer to me to recommend that people use a safer idiom like this. Anyway, that is my 2 cents. -Allen ------------------------------------------------------------------------------ Apps built with the Adobe(R) Flex(R) framework and Flex Builder(TM) are powering Web 2.0 with engaging, cross-platform capabilities. Quickly and easily build your RIAs with Flex Builder, the Eclipse(TM)based development software that enables intelligent coding and step-through debugging. Download the free 60 day trial. http://p.sf.net/sfu/www-adobe-com _______________________________________________ Opensg-core mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/opensg-core
