ES4 draft LAST CALL: Map

Lars Hansen lhansen at
Fri Mar 21 08:13:40 PDT 2008

> -----Original Message-----
> From: David Teller [mailto:David.Teller at] 
> Sent: 21. mars 2008 08:08
> To: Lars Hansen
> Cc: es4-discuss at
> Subject: RE: ES4 draft LAST CALL: Map
> On Fri, 2008-03-21 at 14:46 +0000, Lars Hansen wrote:
> > My opinion is that if there are features that are primarily 
> useful for 
> > concurrency (and it sounds like what you have in mind is 
> that) then we 
> > should not try to guess about them until we start talking about 
> > concurrency in earnest.
> > 
> > --lars
> Ok. Other than in a concurrency, this destructive 
> pattern-matching may occasionally be useful, but I guess 
> re-implementing it by hand is simple enough that it probably 
> doesn't need to be built-in collections.

Feel free to air concrete thoughts, if for no other reason than
for the record.  Just because we're trying to nail down ES4 doesn't
mean we have to stop talking about the design space.


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