Re: [boost] Boost super_string

From: Jeff Garland (jeff_at_[hidden])
Date: 2006-10-12 14:50:30

Caleb Epstein wrote:
> On 10/12/06, Arkadiy Vertleyb <vertleyb_at_[hidden]> wrote:
>> "Jeff Garland" <jeff_at_[hidden]> wrote
> 
>>> So a core goal of the library is that you can
>>> use super_string in some code and then seamlessly pass that instance to
>>> existing interfaces written in terms of std::string for zero cost.
>> Not exactly...  the cost would be runtime -- to allocate a copy of the
>> string.  You wouldn't be able to pass anything other than "std::string" to
>> "const std::string&" without copying it first, would you?
> 
> Anything derived from std::basic_string<char> would work too.  Super String is:
> 
>    template<class char_type >
>    class basic_super_string : public std::basic_string<char_type>
> 
> So there would be no copies.

Exactly right.

Jeff