Re: [boost] [gsoc] Request Feedback for Boost.Ustr Unicode String Adapter

Subject: Re: [boost] [gsoc] Request Feedback for Boost.Ustr Unicode String Adapter
From: Artyom Beilis (artyomtnk_at_[hidden])
Date: 2011-08-15 10:52:24

> From: Soares Chen Ruo Fei <crf_at_[hidden]>
> but it does require that O(1) operations 
> don't
>>  become O(N) operations, or that O(N) operations become O(N^2) operations.
> 
> 
> Ok I got what you mean. I think it'll be easier to just remove the
> decrement function completely. During implementation I also wondered
> if there is any real use for reverse code point iterator, but since I
> still got time I just implemented it anyway to leave it for just in
> case. (Actually it's also because I don't know if there is any way to
> conditionally let the code point iterator inherit from either
> std::forward_iterator or std::bidirectional_iterator)

Ok... Now I will make your life even harder :-) 

Many Unicode algorithms like segmentation or collation
require random access...

So you do need random access or bidirectional iterator.

Bottom line... Don't bother.

It is better to use Unicode in first place :-)


 
Artyom Beilis
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