On Apr 23, 2013, at 3:50 PM, Brendan Eich wrote:
> Taking bite-sized pieces:
>
> Allen Wirfs-Brock wrote:
>>> > > * { [ "__proto__" ]: .... } is not special in any way, and creates a
>>> > normal property named "__proto__".
>>
>> I don't believe this is legal. Didn't we agree w to support [ ] property
>> keys that evaluate to symbols.
>
> No, [n] is good for any computed property name -- evaluating n and if symbol,
> using that, else (doing the equivalent, e.g., engines optimize indexes)
> converting to string -- Dave's ToPropertyName from the wiki, is all that's
> needed here.
[n] in object literals and classes has come, gone, and reappeared. It
originally allowed strings. I think the last time it reappear (when at-names
were dropped) it was only for symbols. I need to go notes digging.
Allen
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