From: dave@boostpro.com   
      
   on Tue Nov 01 2011, Carlo Milanesi    
   wrote:   
      
   > On 01/11/2011 11.58, topoden wrote:   
   >> Given we now have ranged for loops... Why do we still need   
   >> std::for_each + lambda? Doesn't ranged for loop do exactly the same   
   >> now?   
   >   
   > I would say: "Given we now have lambdas ... Why do we still need   
   > ranged-for loops?"   
   >   
   > Lambda is much more powerful than ranged-for.   
      
   Not really.  Consider break, continue, goto, the ability to remember the   
   value of the last item seen, etc.   
      
   On the other hand, for_each may perform library-based optimizations such   
   as loop unrolling and segmented traversal.   
      
   They each have their own strengths.  I'd say range-based for loops are   
   more flexible, while std::for_each is potentially more efficient.   
      
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