On 11/16/11 11:30 PM, David Herman wrote:
<|
On Nov 16, 2011, at 11:27 PM, Mark S. Miller wrote:
On Wed, Nov 16, 2011 at 11:24 PM, David Herman <dher...@mozilla.com
<mailto:dher...@mozilla.com>> wrote:
Someone who shall remain nameless shot this down when I floated
it privately. But I just have to throw this out there, because I
kind of can't stop myself falling in love with it...
We used to have this (mis-)feature for dynamically extending
scope chains, and despite being ill-conceived, it did have this
elegant syntax spelled "with." In ES5 strict, we banned that
feature, and it's not coming back for ES6, or ever.
Now we want a (good) feature for dynamically extending prototype
chains. And here's this old keyword, just lying around unused...
obj with { foo: 12 } with { bar: 13 } with { baz: 17 }
I don't get it yet. What do you mean by "dynamically extending
prototype chains"? What does the above expression do and evaluate to?
I was confused by the "extending prototype chains" too, because the word
'with' made me think that you were proposing to replace .{ instead of
replacing <|.
I completely understand the temptation to reuse the keyword, however.
We all want redemption in the end!
David
So? Who's with me?
Dave
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Cheers,
--MarkM
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