From: DrDiettrich1@aol.com   
      
   Paul Biggar schrieb:   
      
   >> B  B  B  B FOR n := 1 TO nitems DO processitem (n) DONE   
   >>   
   >> What could be more natural?   
   >   
   > I find this quite unnatural and inelegant, compared to some newer languages:   
   >   
   > Python: for i in items: processitem(i)   
   > Ruby: items.each { |i| processitem i }   
   > Haskell: map processitem items   
      
   The above (Pascal/OPL) For loop allows for aggressive optimization,   
   suitable for fast simple loops. Iterators are bit slower by nature, but   
   such overhead can be neglectable depending on the body of the loop.   
      
   DoDi   
      
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