From: rogeeff@googlemail.com   
      
   { Reformatted; please limit your lines to 70 characters - mod }   
      
   On Tuesday, October 9, 2012 12:30:03 AM UTC-4, Daniel Krügler wrote:   
   > Am 09.10.2012 00:48, schrieb Gennadiy Rozental:   
   > > Any workarounds?   
   > The usual technique is to specify a function of the form T&& and to   
   > constrain it accordingly. E.g.   
   > #include    
   > #include    
      
   > template   
   > struct is_vector : std::false_type {};   
   > template   
   > struct is_vector> : std::true_type {};   
      
   While we on the subject, why doesn't standard type traits provide   
   this? Also is there any way to implement this without including   
   . It seems like we will have to include one even if my   
   specific use case does not require it.   
      
   Thank you.   
   Gennadiy   
      
      
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