Re: [boost] [string_algo]is_less and is_iless

From: Thorsten Ottosen (tottosen_at_[hidden])
Date: 2005-12-02 07:25:03

Pavol Droba wrote:

> What you have shown is just a simple example of currying and there are at least 
> two facilities in Boost that provide such a functionality. Namely Boost.Bind and 
> Boost.Lambda. 
> 
> You can write something like this:
> 
> std::find_if(
>       vec.begin(), 
>       vec.end(),
>       boost::bind<bool>(boost::istarts_with<std::string, std::string>, _1, "bc", std::locale()));
> 
> It is not as nice as your example, but it works. 
> 
> I'm little bit reluctant to add something like this directly to the library.
> There are already quite a lot of variants of algorithms. Adding some more
> could be quite confusing. I would prefere to add some realy new functionality.

Isn't this a good example of why we actually need the functionality in 
the library? I can't imagine very many people that would get the above 
right in the first 5-10 tries.

-Thorsten