Re: [Boost-users] multi index container

Subject: Re: [Boost-users] multi index container
From: Dejan (xamiw_at_[hidden])
Date: 2010-02-03 10:39:29

> 
> >   
> 
> (I guess you meant e3 in the line above.)
Yes, my fault.
> 
> > Can someone tell me how a typedef of a multi_index_container fullfilling
> > prerequisities above looks? 
> 
> The following would do:
> 
>   typedef multi_index_container<
>     employee*,
>     indexed_by<
>       ordered_unique<
>         member<employee,int,&employee::id>
>       >
>     >
>   > multi_t;
> 
> The lib is smart enough that can index by employee::id even if what you 
> store are
> not employees proper, but pointers to employee.
Ahh, ok.
> 
> > Or is a multi_index_container not the right
> > tool?
> >   
> 
> Using Boost.MultiIndex might be overkill here if this is all you need 
> from it:
> an std::set can be used also with a suitable compare predicate.
I don't know if finding pointer OR id is possible in a std::set. I've
tried a std::set with a compare class (which compares pointer and id).
To store is not a problem but to "container.find(pointer)" AND
"container.find(id)".

Thanks