 
            
            
            
            
                13 Feb
                
                    2009
                
            
            
                13 Feb
                
                '09
                
            
            
            
        
    
                8:36 p.m.
            
        On 02/12/09 17:16, Larry Evans wrote: [snip]
when only the last one is really needed. Which leads to the obvious (at least now) optimization of just making State as the last element in the eval_if super of while_.
I tried this with results shown in boost vault/Template Metaprogramming/and_seq_profile.while_no_else.zip. This "op[timization" was ineffective. There were 303 instantiations vs. the 297 in the original version :( .