From: gregmmarr@googlemail.com   
      
   On Friday, May 17, 2013 10:29:26 AM UTC-4, Andy Champ wrote:   
   >> > or for iterators:   
   > >   
   > >       for(iterator it=v.begin(), end=v.end(); it!=end; ++it)   
   >   
   > .... and always feel ever-so-slightly uncomfortable that you can't do   
   > less-than on iterators.   
      
   You can, as long as they're random-access iterators.   
      
   If you're uncomfortable with that, maybe you'd be better off using   
      
   for(auto const &elem : v) {}   
      
   or   
      
   for_each(v.begin(), v.end(), [](auto const &elem){});   
      
      
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