RE: [gtkmm] Glib::Module API issues

[Murray Cumming Comneon com]

> From: Ross Burton [mailto:r burton 180sw com] 
> On Fri, 2003-03-21 at 15:30, Murray Cumming Comneon com wrote:
> > > If I use the constructor directly, I can't have a null 
> GModule on the
> > > stack. If I use new, then I don't seem to get a null 
> pointer even if I
> > > try and load a module which doesn't exist.
> > 
> > I suppose we should throw an exception, but constructors 
> can't do that (I
> > think) so we could add an operator=() instead. That would 
> be like using a
> > std::fstream, I think. In the meantime if(module.gobj()) might be an
> > equivalent to if(module).
> 
> As Paul just pointed out, constructors can throw exceptions 
> (phew, that
> sucks otherwise).
> 
> I think an exception is the best thing, or a static method
> Glib::Module::Open(...) which returns a GModule* or some such 
> pointer (a
> la the C API).

We must have something else similar in gtkmm already. I'd like to be
consistent. Maybe we need to find some *_new() or *_open() function that
returns null sometimes and grep for it in gtkmm.

Murray Cumming
murrayc usa net
www.murrayc.com