[boost] Re: immutable string

From: Maxim Yegorushkin (e-maxim_at_[hidden])
Date: 2004-09-21 02:07:08

Alexander Terekhov <terekhov_at_[hidden]> wrote:

>
> Maxim Yegorushkin wrote:
> [...]
>> Here is the link: http://conststring.sourceforge.net/
>
> "The mutability of std::basic_string<> and its interface do not allow
>  implementers to make it a lightweight value object with cheap copy
>  operation through string representation sharing and copy-on-write
>  technique while maintaining thread safety."
>
> This claim borders on blatant FUD. Claims to the extent that std::
> string is sorta "less thread-safe then char[]" don't hold water
> because there isn't non-const overload of operator[] for char[].
>
> Or am I just missing something?

May be the quoted statement is not clear, but it states that a COW  
std::string can not be made thread safe due to its interface.

A good discussion of the subject you can find here:  
http://groups.google.com/groups?ie=UTF-8&threadm=31c49f0d.0409070901.4e7a0aa6%40posting.google.com

-- 
Maxim Yegorushkin