"with" still sucks + removing features + adding features
Andrei Alexandrescu
SeeWebsiteForEmail at erdani.org
Mon May 18 14:55:49 PDT 2009
Jason House wrote:
> 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.
You'd have to squint real hard to see a range. A range is
expr1 .. expr2
That code is
case expr1: .. case expr2:
I mean you can't tell me that as soon as ".." is within a mile it's a range.
Andrei
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