Re: [Vala] customizing the equal_func on arraylist

[Lucas Deters <lucasdeters+vala gmail com>]

Nice, the cast is the trick... ;-)

thanks

--
Lucas Augusto Deters

On Tue, Dec 15, 2009 at 8:00 AM, Abderrahim Kitouni <a kitouni gmail com>wrote:

> Hi,
>
> 2009/12/15 Lucas Deters <lucasdeters+vala gmail com<lucasdeters%2Bvala gmail com>
> > :
> > Hello,
> >
> > Can someone show me how to pass a customized "equal_func" function to the
> > arraylist?
> > All samples I found are working with strings , but I need an custom
> > comparator.
> >
> > ArrayList<string> list = new ArrayList<string> ( str_equal );
> > ArrayList<MyClass> list = new ArrayList<MyClass> ( ??? );
> There is direct_equal if you want to compare on adresses, but if you
> want to compare on something else, you can define your own equality
> function.
> e.g.
> bool my_class_equal (MyClass a, MyClass b) {
>    return a.some_field == b.some_field;
> }
> (you may need to cast it to an EqualFunc when passing it as a parameter
> though)
>
> HTH,
> Abderrahim