"with" still sucks + removing features + adding features
Jason House
jason.james.house at gmail.com
Mon May 18 14:42:12 PDT 2009
Andrei Alexandrescu Wrote:
> Jarrett Billingsley wrote:
> > On Mon, May 18, 2009 at 1:46 PM, Andrei Alexandrescu
> > <SeeWebsiteForEmail at erdani.org> wrote:
> >
> >> Final switch works with enums and forces you to handle each and every value
> >> of the enum. Regular switch gets ranged cases by the syntax case a: .. case
> >> b: (I've always thought switch would be greatly helped by that).
> >
> > Kind of an odd syntax. Why not "case a .. b:"? Parsing issues?
>
> It's consistency. Everywhere in the language a .. b implies b is
> excluded. In a switch you want to include b. So I reflected that in the
> syntax. In fact, I confess I'm more proud than I should be about that
> little detail.
Consistency???
While I can see where you're coming from, I still see plenty of inconsistencies. It's still a range (defined with .. too). Having slices and foreach use syntax a and meaning 1 but switch using syntax a' and meaning 2 kind of sucks.
> >> Static foreach might be making it too.
> >
> > That'd be a nice addition. Especially with __traits returning
> > arrays/tuples, it'd be an alternative to CTFE (shudder) or template
> > recursion.
>
> Yah, can't wait.
I'm still hoping for static switch too!
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