Re: [Boost-users] [multi_index] composite_key question

From: JOAQUIN LOPEZ MU?Z (joaquin_at_[hidden])
Date: 2007-09-20 15:01:24

Hi Jeffrey

----- Mensaje original -----
De: Jeffrey Holle <jeffreyholle_at_[hidden]>
Fecha: Jueves, Septiembre 20, 2007 8:26 pm
Asunto: [Boost-users] [multi_index] composite_key question
Para: boost-users_at_[hidden]

> I've a multi_index container that has a composite_key index which 
> is used to express a "checker board" like concept.
> 
> I need to iterator over all rows, from 0 to n.
> I know how to employ equal_range(make_tuple(y)) to get the 
> elements within a specific row, but how do I determine n?
> 
> The only way I can think of doing this is doing a linear search 
> using another index.  Is there a better way?

I'm sorry but I'm afraid I'm not getting your question at all.
What do you mean by "checker board concept"? Could you post
the definition of your multi_index_container, or a simplified
version of it?

Thank you,

Joaquín M López Muñoz
Telefónica, Investigación y Desarrollo

PS: What happened with
http://lists.boost.org/boost-users/2007/09/30804.php ?