64ce1edd   
   From: n2xssvv.g02gfr12930@ntlworld.com   
      
   On 11/08/11 09:59, asif.lse wrote:   
   > Hi,   
   >   
   > I have a class with a member template function - in my derived class   
   > constructor, I instantiate multiple instances of this template - those   
   > instances get instantiated in the Base class though. Is there any way   
   > you could suggest that I could use to generate instances in the   
   > derived class? I am not sure but I suspect there *can* be a way to   
   > accomplish this - just like CRTP where we generate members in Base   
   > class with Derived class information. Though there is no problem in   
   > functionality but putting generated members in the base class is   
   > semantically wrong - the correct place for those generated members is   
   > the derived class.   
   >   
   > Thanks in advance, Asif   
   >   
   >   
      
   An example would make things clearer. If the base class uses a member   
   function for instantiation, then why not make that virtual and over ride   
   it in the derived classes? This does sound like a factory pattern   
   problem, so a factory class might be necessary.   
      
   regards   
      
   cpp4ever   
      
      
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