Hi Rooters, I'm not sure everybody know this so I believe that it will be very interesting to see what Rene/Fons would say on the subject. I recently rediscovered that in order to store the objects of a given class, say, "A" (which inherits from TObject), in TClonesArray a user has to run rootcint and to generate a dictionary for this class. Also if one wants to use TClonesArray is is necesasry to instantiate a TROOT object. I recognize that TClonesArray is a very smart and intelligent container but at first sight it seems to be a little bit of an overkill: - it is clear that one needs a dictionary to browse the object or to do I/O in split mode; - it also looks like the significant part of functionality - namely the functionality of container class itself plus the I/O in sequential mode does not require a dictionary to be generated. So my question is if there are serious reasons to disable the functionality of TClonesArray by 100% when a dictionary for the corresponding class is not available and the whole ROOT system is not initialized? regards, pasha
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