Extended Type Design.
Derek Parnell
derek at psych.ward
Fri Mar 16 12:52:16 PDT 2007
On Fri, 16 Mar 2007 09:55:15 -0700, Benji Smith wrote:
> Andrei Alexandrescu (See Website For Email) wrote:
>> We've shoved keywords like "readonly" and "view" for a while, and they
>> just added more confusion than cleared, at a high cost. If (as I
>> suspect) super const appears relatively infrequently, it might be fine
>> to just encode it as the mildly verbose "super const". In fact, it's
>> shorter than "keepyourgrubbyhandsoff". :o)
>>
>> Andrei
>
> Really? I'd think super const would be used all the time. Anywhere a
> class has some invariant field, it'll probably be expressed as super
> const (if I'm understanding correctly that super const is the equivalent
> of #define constants in C++ or static final constants in Java).
>
> Let me join the ranks of those who hate both versions of the new syntax.
> const! looks either like a template or like "not const". You guys may
> think you're saving a keyword, and that might be technically correct
> from the perspective of the parser. But, for the perspective of the D
> developer, it still looks like you've introduced a new keyword, but it's
> a keyword that's A) nearly identical to another keyword, and B) contains
> a symbol. Ugh. I really. Really. Really. Hate it.
>
> Using "super const" is also annoying because all of the other storage
> classes use a single keyword. Now we've got this weird case that uses
> two keywords. And the word "super" is now overloaded in two completely
> unrelated concepts.
>
> (By the way, I don't like "static if" either. I think the right choice
> would have been #if, #foreach, etc. And I think C++ made a mistake by
> defining "long long" and "double double" types as well. Presumably, that
> saved some keywords, but we'd all have been better off if the types were
> defined as int8, int16, int32, int64, float32, float64, etc).
>
> I vote for "readonly" and "const". Anything else seems like a mistake.
>
> --benji
Well expressed. My think is almost 100% aligned with these thoughts above.
--
Derek Parnell
Melbourne, Australia
"Justice for David Hicks!"
skype: derek.j.parnell
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