From: daniel.kruegler@googlemail.com   
      
   On 2012-11-22 00:43, Cassio Neri wrote:   
   > Hi all,   
   >   
   > I need to know if a template class built on recursive inheritance has the   
   > same layout as an array. More precisely,   
   >   
   > template    
   > class foo;   
   >   
   > template    
   > class foo {   
   >      T value;   
   > };   
   >   
   > template    
   > class foo : private foo {   
   >      foo value;   
   > };   
   >   
   > This is a simplification and so it's important to state that the real foo   
   > has no other non-static data members, it has no virtual methods and it   
   > doesn't derive from anything else (apart from the inheritance from   
   > foo seen above). However, T is unknown in advance. The question is:   
   > can I be sure that foo has the same layout as T[N]?   
      
   I'm not sure what you actually precisely mean with "same layout". If you   
   mean whether T[N] and foo are /layout-compatible/ according to 3.9   
   and 9.2: I don't see evidence for that. To the contrary, 9.2 p19   
   indicates that there might be padding *after* each data member value of   
   any foo specialization.   
      
   HTH & Greetings from Bremen,   
      
   Daniel Krügler   
      
      
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