On Fri, Mar 23, 2012 at 1:38 AM, Brendan Eich <[email protected]> wrote:
> Russell Leggett wrote: > >> This is what Allen said about hoisting for this spec (Its been a long >> thread, not sure if you missed this.): >> > > Thanks, I did catch up that far on the thread, but Allen reiterated the > point he'd made months ago: you can't hoist *and initialize* the class > declaration as you can a function declaration. Rather, class decl is like > const decl. That was my point. > > If "hoist" means only the binding, with a TDZ protecting use before > in-evaluation-order init, then we agree. > > If hoist means (as I used it, and even the words from Allen you quote do, > viz "hoisting class definitions and immediately initializing them the way > we do with functions just doesn't work...") moving the initiialization up > too, then that misorders expression evaluation. > Yes, hoisting just the binding is really the only way to avoid stalling out. I think it is easy to reason about, works as desugaring, and hits the 90% case. > > I'm pretty happy with the thread, and with Allen's strawman based on your > suggestion and Dave's minimal classes work. Thanks! > > No problem. I keep hearing you say you have doubts about classes making it, and it is easy to see why - and yet I think everyone would like at least this most minimal classes. "The quest stands upon the edge of a knife. Stray but a little and it will fail. But hope remains, if friends stay true." I have hope :) - Russ > /be >
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