Re: [Boost-users] Sequence of Types, What For?

From: Pedro Lamarão (pedro.lamarao_at_[hidden])
Date: 2006-10-19 10:01:37

Peter Dimov escreveu:
> Terry G wrote:
>> I've just finished reading C++ Template Metaprogramming again.
>> I just don't get it.
>>
>> Why would someone use a type container?
> 
> Imagine a case where for some reason you would like to call
> 
> register<X, Y>();
> 
> for all combinations of X1..Xm and Y1..Yn. Writing the calls by hand gets 
> tedious. If you put Xi and Yi in type sequences, you can write a metaprogram 
> that generates the calls. 

I have to say this is probably the most convincing example I've seen 
since the last time I read that tutorial thing about representing 
physical quantities.

--
  Pedro Lamarão