"with" still sucks + removing features + adding features

Andrei Alexandrescu SeeWebsiteForEmail at erdani.org
Mon May 18 10:57:29 PDT 2009


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.

>> 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.


Andrei



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