Re: [boost] Conforming tuples?

From: David Abrahams (dave_at_[hidden])
Date: 2005-11-29 12:40:45

Jaakko Jarvi <jarvi_at_[hidden]> writes:

> The specification of tuples was changed in the committee from the  
> original proposal along the way.
> In particular, comparison operators were changed and the  
> implementation in Fusion reflects the old
> specs. According to the old implementation, each operator only relied  
> on the same elementwise operator.
> E.g. != was defined in terms of != between the elements, >= only used  
>  >= between the elements etc.
> So I think == and < should stay as they are now, but
> the definition of !=, <=, >= and > should be changed to be defined in  
> terms of == and < for tuples.

Shouldn't that be std::less instead of <  ?
I'm thinking of tuples of pointers, naturally.

-- 
Dave Abrahams
Boost Consulting
www.boost-consulting.com