Yes, at least the current spec literally just calls Promise.resolve on any awaited value. See step 12: http://tc39.github.io/ecmascript-asyncawait/#abstract-ops-async-function-start. So it’s identical semantics to `Promise.resolve(thenable)`.
From: es-discuss [mailto:[email protected]] On Behalf Of Jordan Harband Sent: Friday, June 26, 2015 2:07 PM To: Mark S. Miller <[email protected]> Cc: Francisco Tolmasky <[email protected]>; es-discuss <[email protected]> Subject: Re: Awaiting thenables so, in other words, `await thenable` would wrap the thenable in `Promise.resolve`, which would ensure it fires on the next tick? On Fri, Jun 26, 2015 at 12:36 PM, Mark S. Miller <[email protected]<mailto:[email protected]>> wrote: It would be postponed to a later job, i.e., turn of the event loop. -- Cheers, MarkM On Jun 26, 2015 11:49 AM, "Francisco Tolmasky" <[email protected]<mailto:[email protected]>> wrote: Apologies, I’m aware the last example didn’t make sense. What I meant was more along the lines of the following: setImmediateOrOtherNextRunLoopMethod(function() { console.log(6) }) console.log(await { then: function(x) { x(5) } }) In other words, would the “then” fire on the same run loop (since it isnt a fancy Promise), or still have the underlying await engine (step function) make sure it takes place on the next iteration (and in this case thus possibly make it show up after the 6 instead of beefore). On Fri, Jun 26, 2015 at 11:40 AM, Francisco Tolmasky <[email protected]<mailto:[email protected]>> wrote: Out of curiosity, in ES7, would the following code: console.log(await { then: function(x) { x(5) } }) console.log(6) Print out 5 then 6, or still 6 then 5? In other words, is the asynchronousness gauranteed by the await, or by the underlying Promise implementation? -- Francisco Tolmasky www.tolmasky.com<http://www.tolmasky.com> [email protected]<mailto:[email protected]> -- Francisco Tolmasky www.tolmasky.com<http://www.tolmasky.com> [email protected]<mailto:[email protected]> _______________________________________________ es-discuss mailing list [email protected]<mailto:[email protected]> https://mail.mozilla.org/listinfo/es-discuss _______________________________________________ es-discuss mailing list [email protected]<mailto:[email protected]> https://mail.mozilla.org/listinfo/es-discuss
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