Re: [boost] Inquiry of standardization status of boost::format

From: manphiz (manphiz_at_[hidden])
Date: 2007-08-15 10:08:06

Doug Gregor wrote:
> The original idea with a variadic-templates printf() was that it  
> could replace the C printf by providing a superset of the C printf  
> behavior under the same interface. Basically, it means that existing  
> uses of printf(), when compiled with the new variadic-templates--- 
> based printf, would get run-time checking of the format specifier  
> "for free."
> 
> I don't know if that's particularly useful or not. At the time, it  
> was more like a flagship "hey, look what variadic templates can do!"  
> idea.
> 

Now variadic-templates together with overloading may rescue variadic 
functions from lacking of type safety. There may be some other areas 
waiting to be exploited.

> 
> I don't believe this is being discussed. It's too late for such a  
> change to get into C++0x, so the right answer is probably to revisit  
> Boost.Format to determine whether we can now do something better.
> 

It's a misfortune to miss the train to C++0x, but it'll be a grief if 
something immature gets into the standard. So let Boost.Format evolve :)

> 	- Doug
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