Alternative to Promise
handong05 at meituan.com
Sat Oct 3 12:04:24 UTC 2015
Here is my summary:
Pros for state machine based solutions:
Cons for state machine based solutions:
Pros for continuation based solutions:
Good reusability, since continuation are just functions.
Cons for continuation based solutions:
No memorization(can be done by other ways).
Thanks again for giving me lots of detail about the history, now i need more : )
> On Oct 1, 2015, at 4:42 PM, Benjamin Gruenbaum <benjamingr at gmail.com> wrote:
> > Where do you get the courage to challenge every inventor that they have to learn everything you've learned before they making decisions?
> Can we please keep it civil?
> > the question is why not check other languages first, when there’re nice solutions already there.
> Promises are rooted in the 1980s and have been pretty much adopted in every mainstream programming language one way or another:
> - Task - C#
> - Future - Scala
> - Deferred - Python
> - CompletableFuture - Java
> - Future - C++
> There are about 3 years of discussions to read about the choices and the rationale for why promises behave exactly the way they behave and you're welcome to read those on the specific choices.
> If you're interested in current proposals for other async primitives for the language - there is currently an observable proposal and an async iterator proposal - both solve different issues than promises (multiple values over push/pull) and are currently in design stages.
> In general, the list frowns upon people who "plug their library" in the list - so I suggest that in the future you start your email with the specific problem you want to address and what you do differently. The more concise you write (and external links aren't that great for this) the better chance you'll get more responses from people involved.
> Cheers and good luck,
> es-discuss mailing list
> es-discuss at mozilla.org
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