On Sun, Feb 15, 2015 at 11:01 AM, Kevin Smith <[email protected]> wrote:
>
>> Interesting. I have never seen this pattern and don’t see what it could
>> be good for. Thus, a dynamic error at class definition time sounds good to
>> me.
>>
>
> The purpose would be defining a class whose instances don't have
> Object.prototype on their prototype chain. If "extends null" doesn't work,
> then I think you'd have to do something like this to achieve the same?
>
> function NullBase() {}
> NullBase.prototype = Object.create(null);
>
> class C extends NullBase {}
>
>
That still wouldn't work at runtime because of the super semantics of C as
a derived class. Instead
class C {....}
C.prototype.__proto__ = null;
Yes, it is ugly, but it is an odd case, so still obeys Kay's dictum:
"Simple things should be simple. Complex things should be possible"
--Alan Kay
--
Cheers,
--MarkM
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