Re: [Vala] Vala Journal, Issue #1

[Frederik <scumm_fredo gmx net>]

Xavier Bestel wrote:
> On Mon, 2010-02-01 at 14:44 +0800, Nor Jaidi Tuah wrote:
> > > Coalesce operator (??) is now implemented in master. ;)
> > > https://bugzilla.gnome.org/show_bug.cgi?id=580816
> > May I suggest adding ??=, as in
> > x ??= y;
>
> Too bad C# choose ?? as the coalescing operator. GCC already has it and
> simply uses the traditional ?: with an empty second argument, like:
>
>       x = y ?: z;
>
> which is, IMHO, quite easier to understand.
>
>       Xav

There's a difference between Vala/C#/Java and C: only real boolean
expressions are allowed as conditions. Allowing a non-boolean expression
as first argument of the ?: operator in one case would be inconsistent.
So I think the null-check should have its own operator to avoid confusion.


Best regards,

Frederik