Re: [Vala] Another problem since Vala 0.13.2 - Methods sending blocks to be filled

[Sergej Reich <sergej reich googlemail com>]

Am Mittwoch, den 19.10.2011, 22:12 +0200 schrieb Jan-Jaap van der Geer:
> So get_info() is called with a copy of the parameter after which
> the original is used to read the values. So it isn't reading the
> results of get_info at all.
>
> I could get this to work by changing the vapi to:
>
>   public static void GetInfo (Foo* block);
>
> and calling it by:
>
>   GetInfo(&foo);
>   
> but:
> a) this means lots of changes in my code
> b) it seems a step backwards to start using pointers where this
> previously was not needed.
>
> Is there a better way?

Vala now copies structs before passing them to methods.
Use the out and ref modifiers if you want methods to modify them:

void get_info(out Foo block);
get_info(out foo);

You'll still have to change your code though.

Regards, Sergej.