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 > es-discuss@mozilla.org > https://mail.mozilla.org/listinfo/es-discuss
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