From: publicfilter@gbresearch.com   
      
   On Friday, November 16, 2012 1:20:02 AM UTC-8, Cassio Neri wrote:   
   > > > Maybe I'm missing something here, but apart from self-assignment   
   >   
   > > > there isn't any other object of the same closure type, so what would   
   >   
   > > > be the use of copy assignment?   
   >   
   >   
   >   
   > Actually, one can create different objects of the same closure type.   
   >   
   > Consider:   
   >   
   >   
   >   
   > #include    
   >   
   >   
   >   
   > int main() {   
   >   
   >     int i = 1;   
   >   
   >     auto f = [i]() mutable { return i++;};   
   >   
   >     auto g = f;   
      
   It creates a copy of the same closure type, calling copy constructor,   
   it doesn't need assignment. Lambdas are copiable and movable,   
   I think it's sufficent, I don't see where assignment can be practical.   
      
      
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