Re: [boost] [Review] Fixed Strings review period extended

From: David Abrahams (dave_at_[hidden])
Date: 2006-01-31 13:56:54

"Eric Niebler" <eric_at_[hidden]> writes:

> Greer, Joe wrote:
>> 
>>> -----Original Message-----
>>> On Behalf Of David Abrahams
>>>
>>>   std::string str(30, 0);
>>>   someoldcapi(&str[0]);
>>>   str.resize(str.find(0));
>>>   str.find(...)
>>>
>> 
>> I didn't think strings were guaranteed to be contiguous, or did that get
>> slipped in when I wasn't looking?
>> 
>
> Sadly, you're correct. strings are not guaranteed to be contiguous. I'm 
> not aware of a std library that takes advantage of that leeway, though.

...and you're not allowed to modify the array that data() points at; drat.

But this is all beside my point: we could easily provide a
contiguous_string library (maybe it just forwards basic_string and
basic_wstring on implementations where the characters *are*
contiguous) that would serve this purpose.

...or use vector<char> ;-)

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