... or the ability to boost up a lot JIT and performances ... but I agree on the non trivial, rich in ugly JS corner cases too, e.g. string as primitive VS String as instanceof
On Tue, Sep 25, 2012 at 10:23 AM, Andreas Rossberg <[email protected]>wrote: > On 24 September 2012 20:53, Dmitry Soshnikov <[email protected]> > wrote: > > I think it's just the matter of the need. If these optional argument > types > > are very needed by devs, then it's probably not a big deal to add them to > > the standard -- after all it's still in the draft, not published (it's > just > > a small section on generating the prologue, isn't it?). > > It actually is a very big deal. Getting such a feature right is highly > non-trivial, with lots of ugly JS corner cases to worry about. Let > alone a good runtime cost model. > > /Andreas > _______________________________________________ > es-discuss mailing list > [email protected] > https://mail.mozilla.org/listinfo/es-discuss >
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