[boost] Re: [iterator facade] Why is dereference const?

From: David Abrahams (dave_at_[hidden])
Date: 2004-05-15 07:09:36

Max Khesin <MKhesin_at_[hidden]> writes:

>> -----Original Message-----
>> From: David Abrahams [mailto:dave_at_[hidden]]
>> >
>> > Actually, I like the one based on Vladimir Prus much better 
>> than the one I
>> > wrote, so here is the current:
>> 
>> I don't love it.  Count is overkill; you only need a bool.  Also it
>> only works when value_type is default-constructible.  There's a
>> reason I suggested optional<value_type>, you know ;-)
>
> But Neal wants the function to be called count times; how would you do this
> without a count?

I guess you wouldn't.   But then the name of the iterator is
misleadingly general.  I'd consider building an external counting
adaptor for the purposes of termination (but that's just me).

> thanks\max  
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-- 
Dave Abrahams
Boost Consulting
http://www.boost-consulting.com