Re: [boost] [Property Map] Composition of properties

From: David Abrahams (dave_at_[hidden])
Date: 2006-09-18 10:08:52

Benoit <benoit.casoetto_at_[hidden]> writes:

>> Now that I'm seeing it clearly, it looks like object
>> is a property maps of property maps and so on.  Was
>> that your intention?
> No !!! object is simply the key to pn, and can be used like this :
> get( pn, object). The get function returns an item which is a key for
> property map p(n-1). And so forth until the actual information we are
> trying to retrieve...
>
>> > > >       get( p, object )
>> IIUC, p is your composite of, say, p1 and p2?  Is
>> object a property map for whom p is a key?
> p is definitely a composite of p1 and p2. But i stated above, object
> is in no way a property map ; it is simply the key to p, which is a
> property map.
>
> i hope things are getting clearer, it seems the more i try to explain,
> the more confuse it gets !

IIUC, Benoit wants, essentially, the property map equivalent of an
indirect iterator.

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