[boost] Re: Regex ease-of-use ideas

From: David Abrahams (dave_at_[hidden])
Date: 2004-04-06 16:51:07

Pavol Droba <droba_at_[hidden]> writes:

> On Tue, Apr 06, 2004 at 02:43:20PM -0400, David Abrahams wrote:
>
> [snip]
>
>> > What would be the advantage? User can write 
>> >
>> >    iterator_range res=regex_maxch(...);
>> 
>> Doesn't the match object get destroyed here, thereby invalidating the
>> iterators?
>> 
> Not really as far as I know. Iterators are bound to the collection that is being searched,
> not to the match itself. Therfore, they validity should not be bound the lifetime
> of them match. They will be copied to the iterarator_range.

The match object *is* the collection (of submatches) being searched.

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