Mark S. Miller skrev:
> On Fri, Sep 5, 2008 at 2:33 PM, Ingvar von Schoultz
> <[EMAIL PROTECTED]> wrote:
>> It would be much better if Object.freeze() got an added
>> parameter, a bit flag that, when set, makes it more powerful
>> and allows it to override the configurability flag. Then
>> the override happens only when you enable it explicitly.
>>
>> Otherwise we have a case of silent failure, and silent failures
>> are often very expensive to debug.
> 
> I don't understand. As currently proposed, Object.freeze always
> succeeds. What silent failure are you concerned about?

If you set a property to non-configurable it means you don't
want it reconfigured. If code is still allowed to change it
from writable to non-writable, this is a silent failure of
the guard against reconfiguring.

-- 
Ingvar von Schoultz

_______________________________________________
Es-discuss mailing list
Es-discuss@mozilla.org
https://mail.mozilla.org/listinfo/es-discuss

Reply via email to