Re: [boost] Interest for a perl6-like-junctions-class?

From: Rob Stewart (stewart_at_[hidden])
Date: 2005-07-28 14:01:35

From: "Jeff Flinn" <TriumphSprint2000_at_[hidden]>
> 
> I just found this snippet of code in one of my projects:
> 
>     #include <boost/algorithm/string.hpp>
>     #include <boost/algorithm/string/classification.hpp>
> 
>    bool NameValid( const std::string& aName )
>    {
>       using namespace boost::algorithm;
> 
>       return all( aName, !is_any_of(" -") );;
>    }
> 
> looks familiar eh? I totally forgot about this. I haven't looked in Pavol 
> Droba's string algorithm library to see if there are additional facilities 
> that cover other cases. The 'string' in Pavol's library defines string as a 
> general concept and not as std::string.

That expression would be easier to read with the junctions idea:

   none_of(aName) == any_of(" -");

(Assuming all of the above syntax can be made to work!)

Don't you agree?

-- 
Rob Stewart                           stewart_at_[hidden]
Software Engineer                     http://www.sig.com
Susquehanna International Group, LLP  using std::disclaimer;