 
            
            
            
            
                18 Aug
                
                    2009
                
            
            
                18 Aug
                
                '09
                
            
            
            
        
    
                7:23 a.m.
            
        Hello Dusan, Tuesday, August 18, 2009, 2:50:38 PM, you wrote:
but with less efficiency. Or am I wrong?
probably wrong. haskell is lazy language also there is differential lists (dlist) implementation on hackage -- Best regards, Bulat mailto:Bulat.Ziganshin@gmail.com