Re: [Vala] What is correct solution to warning: 'null ' incompatible with 'SomeType'?

[Jan Hudec <bulb ucw cz>]

Levi Bard <taktaktaktaktaktaktaktaktaktak    > writes:
> >    Shell.vala:112.13-112.24: warning: `null' incompatible with return type
> >    `Guitcore.Task`
> >            return null;
> >            ^^^^^^^^^^^^
>
> Try making the return type of the method "Guitcore.Task?" (the ?
> signifies that the type is nullable).
> http://live.gnome.org/Vala/FAQ#head-7c7455d22d2055a29e8d025d4785f59452ae81e6

Thanks. It silences the warning.

I somewhat assumed it is only used with value types (like in C#) and didn't
think about using it in this case. But it makes good sense as annotation, that
a particular function should be expected to sometimes return null.

Best regards,
Jan