Re: [boost] [program_options, function] vc7 problem

From: Peter Dimov (pdimov_at_[hidden])
Date: 2004-06-25 07:14:17

Vladimir Prus wrote:
> The regression logs show this error message from vc7
> 
>     http://tinyurl.com/39fgc
> 
> which says that pointer to function can be converted to
> boost::function 
> 
> The relevant code is:
> 
>    int stored_value;
>    void notifier(const vector<int>& v)
>    {
>        stored_value = v.front();
>    }
> 
>    void test_semantic_values()
>    {
>        ....
>        ("int", po::value< vector<int> >()->notifier(notifier))
>         ;
>    }
> 
> Where the 'notifier' member function is defines as:
> 
>         typed_value* notifier(function1<void, const T&> f)
> 
> and in this case, T = vector<int>.
> 
> Any ideas what I can do to make this work?

IIRC boost::function requires the & in front of 'notifier'.