Re: lambda library usage

From: khuroth (dansilva_at_[hidden])
Date: 2002-08-27 09:04:01

whoops, sorry about the typos.  any A:: here is really View::

--- In Boost-Users_at_y..., "khuroth" <dansilva_at_l...> wrote:
> I have a View class that has some widgets, and a Controller class 
> that controls the view, so the View class has a GetController() 
> member function that returns a reference to its controller.
> When the View's constructor is called, GetController() would 
return 
> a bad ref, but it would return a valid reference by the time a 
> button is clicked... so what I'm trying to do is, inside the View 
> constructor:
> 
> my_button.on_click = bind( (_1 ->* &A::GetController).DoSomething
(), 
> this );
> 
> but that obviously doesn't work... I'm even having trouble just 
> saving the first part:
> 
> my_button.on_click = bind<Controller&>(_1 ->* &A::GetController, 
> this);
> 
> also doesn't work...
> I tried defining the on_click member of the button as a 
> boost::function<void> or a boost::function0<void> in the first 
> example, and a boost::function<Controller&> or 
> boost::function0<Controller&> in the second snip... I get immense 
> compiler errors, so I'm not sure where I messed up.
> 
> What am I doing wrong?