Re: [Boost-users] [Tuple] What's the point?

Subject: Re: [Boost-users] [Tuple] What's the point?
From: Joel de Guzman (joel_at_[hidden])
Date: 2009-07-10 04:31:04

Robert Jones wrote:
> I know that sounds like a slightly flippant question, but I really don't 
> get it.
> 
> I've used tuples a few times, always for the multiple return value 
> behaviour using tie( ), but
> in the end it always seems to be a better solution to use a struct.  
> Code like
> 
> t.get<1>( ) = "fred";
> 
> is a bit non-obvious, compared to
> 
> t.forename = "fred";
> 
> So have I entirely missed the point of tuples?

For one, a struct is not generic. For example, there is no
generic way to do a for_each on each element of all structs.

Regards,
-- 
Joel de Guzman
http://www.boostpro.com
http://spirit.sf.net