Re: [Vala] Problem with references

[Jürg Billeter <j bitron ch>]

On Fre, 2006-08-25 at 18:16 +0200, Dominique Würtz wrote:
> Jürg Billeter schrieb:
> > In that concrete case it would probably be best to just mark
> > Cairo.Matrix as a reference-type, so it will always be passed by
> > reference. That would make it impossible to ever pass it by value,
> > though. Do you see a problem with that or shall I change Cairo.Matrix as
> > afore said?
> >
> >   
> No, I didn't find any API which requires passing by value so it should 
> be ok, however, there should be the possibility to make a copy of the 
> struct. Maybe a default copy constructor for ref types a la
>
> Cairo.Matrix a;
> Cairo.Matrix b = new Cairo.Matrix(b);
>
> would be the way to go?

Not sure yet, as there is no overloading and there could be a default
construction method in the struct. Maybe something like a.copy () or
a.dup () would be better.

Jürg