On Thu, Sep 11, 2014 at 4:41 PM, Bruno Jouhier <[email protected]> wrote: > I think that Mark Miller nails it really well: >> >> The cost of making atomicity cheap is that interleaving points must be >> made explicit. With callbacks, this cost is quite high. Promises reduce this >> cost substantially. async/await further reduces this cost about as far as it >> can be reduced, while still leaving an explicit marker. > > IMO promises are only a step forwards; async/await is a leap forwards.
And, at the risk of banging my own drum -- async/await pave the way for some really interesting work with optimistic transactional locking and speculative execution, since they are (as noted in this thread) explicit markers of atomicity boundaries. --scott _______________________________________________ es-discuss mailing list [email protected] https://mail.mozilla.org/listinfo/es-discuss
