Re: [boost] [iterator] Idea for "range_from_ref_iterator"

From: Shunsuke Sogame (mb2act_at_[hidden])
Date: 2006-04-10 02:40:42

Ion Gaztañaga wrote:
>>You haven't really explained what this thing is supposed to be doing.
>>As far as I can tell from the code, it dereferences to the same
>>location at each position.  If that's really what you intend, you
>>ought to do something to ensure that its iterator category doesn't
>>indicate it satisfies forward iterator requirements.
> 
> 
> A pair of "range_from_ref_iterator" simulates a pair of random access 
> iterators that point to an array of N identical values.

Let me note that, that iterator, illegal or not, can be more generalized.

     copy(rng|repeated(12), outIter);

I mean your iterator should take not a value but a range(iterator pair)
as the argument of the constructor.
Thus,

     copy(make_identity_range(x)|repeated(12), outIter);

-- 
Shunsuke Sogame