On Sep 6, 2011, at 9:37 AM, John J Barton wrote:
> On Mon, Sep 5, 2011 at 11:01 PM, Brendan Eich <bren...@mozilla.com> wrote:
> Generators share with private name objects a right-sized (minimal but not too
> small) gap-filling quality that supports all of:
>
> * prompt standardization,
> * interoperable implementation, and
> * library ecosystem builder upside far beyond what TC39 could ever do on any
> schedule.
>
> They're in ES6 for good reason.
>
> Unfortunately we are comparing a tiny number of generator programs written by
> experts to a unknown fraction of callback programs written by right-marching
> developers.
The question is whether an explicit keyword prefix operator, yield in the case
of harmony:generators, is more winning than the rightward march with its
readability and entrainment issues, once generator support is in the field
enough. I'm betting yes, but we shall have to see.
> I think developers will be slow to take up generators, but on the other hand
> it's an important problem and one worth taking risks to explore.
The slow uptake is a given until generator support is widespread in the user
agents banging on one's site. Some l33t sites may see heavy Chrome and Firefox
share already, so in a year may dip their toes in the generator waters. Games
already do this, to a fault ("works only in Chrome").
Thanks for the thoughtful comments.
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