Re: [boost] [iterators] Proof-of-concept for a sentinel iterator adapter

Subject: Re: [boost] [iterators] Proof-of-concept for a sentinel iterator adapter
From: Thorsten Ottosen (thorsten.ottosen_at_[hidden])
Date: 2009-05-13 12:02:57

joaquin_at_[hidden] skrev:
> Beman Dawes escribió:
>> Attached is proof-of-concept code for a sentinel iterator adapter. It 
>> turns a pointer to sentinel terminated sequence, such as a C-style 
>> string, into a forward iterator with a conforming end iterator.
>>   
> 
> Having Sentinel specified as a non-type template parameter greatly 
> reduces the category
> of types this can work with. I'd replace it with some SentinelFactory 
> policy or something.

That is not a bad idea, although it would really be good if
the basic case can stay as optimaized as currently
(having a static member). I guess having a static member is
not an option for a general policy, thus giving us the usual
iterator problem of double storage.

-Thorsten