[boost] Re: 'function' idea

From: Dirk Gerrits (dirk_at_[hidden])
Date: 2002-11-09 06:39:28

Aleksey Gurtovoy wrote:

> So, the corrected example would be:
>
>     class widget
>     {
>     public:
>         // ...
>         typedef boost::function bool_arg_t;
>
>         self_t&     is_enabled(bool_arg_t a_enabled); // note the 
> signature!
>         bool        is_enabled() const;
>     };
>
>     int main()
>     {
>         widget w;
>         w.is_enabled(true); // ordinary syntax/semantics
>         assert(w.is_enabled())
>
>         widget w2;
>         w.is_enabled(boost::bind(&widget::is_enabled, &w2)); // here!
>         w2.is_enabled(false);
>         assert(!w.is_enabled()) // !
>     }
>
> I hope the name change makes the semantics of the above clearer.

I still don't get it. Have I used to few widget libraries? ;)

Dirk Gerrits