Thanks Allen, those are the answers I wanted to hear :) Seems like ES 6 proper tail calls will be a good for CPS too.
On Sat, Mar 9, 2013 at 5:22 PM, Allen Wirfs-Brock <[email protected]>wrote: > > On Mar 9, 2013, at 3:00 PM, Angus Croll wrote: > > 1. Will proper tail calls only happen in strict mode, and if not are we ok > with losing backwards compatibility re. [function].caller and [ > callingFunction].arguments? > > > Apparently yes, there is a note in the draft that we reached that > conclusion at a TC39 meeting > > > 2. Will tail call behavior apply regardless of the tail call syntax? > (fn(), fn.call, fn.apply)? > > > yes, assuming that the actual call to fn is in a tail position within the > call or apply function implementations. I'll review to spec. to make sure. > > > 3. Will tail call behavior apply even when the tail call is not recursive? > > > yes > > > 4. If function fn has a function call in the tail position and is then > bound (fn2 = fn.bind(x)), will fn2 also support proper tail calls? (I > think this is only relevant if (3) is true) > > > yes, it is only based upon the syntactic structure of the function making > the call, not it's bindings > > > > thanks > _______________________________________________ > es-discuss mailing list > [email protected] > https://mail.mozilla.org/listinfo/es-discuss > > >
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