Re: Question about E's history.

Some E promise history:

E promises derive primarily from Joule channels, by way of the Xanadu
promise system. Joule was a massively concurrent programming language that
was a deliberate cross between actors and concurrent logic programming
languages.  The Xanadu promise system was created by applying Joule channels
to a sequential language for pipe-lined, client-server communication. It was
contemporary with and independent of the Argus promises system. The E
language generalized that to "islands of sequential programming
communicating with promises".

On Sat, Jun 11, 2011 at 7:47 PM, Jonathan Rees <[email protected]> wrote:

> Is this relevant as precedent? It was pretty well developed by 1984
> http://en.wikipedia.org/wiki/MultiLisp
> but I don't know how well developed it was regarding pipelining. I suspect
> they got the 'promise' idea from Hewitt.
>
> <http://en.wikipedia.org/wiki/MultiLisp>Jonathan
> <http://en.wikipedia.org/wiki/MultiLisp>
> On Jun 11, 2011, at 4:23 PM, Mark S. Miller wrote:
>
> On Sat, Jun 11, 2011 at 12:01 PM, Tom Van Cutsem <[email protected]>wrote:
>
>> Hi Constantine,
>>
>> Having looked at various actor languages, I have not previously
>> encountered the type of asynchronous composability that when-expressions
>> provide. So E may be the first language to have introduced this feature.
>>
>> About E's origins: in the paper "Concurrency among strangers", there is a
>> section titled "From objects to actors and back again" (section 11) which I
>> feel is a good reference to work that inspired E: <
>> http://www.erights.org/talks/promises/index.html>
>>
>> In general, I believe the actor model served as the greatest source of
>> inspiration for E: <http://en.wikipedia.org/wiki/Actor_model>
>>
>> I know from Mark that promises in Liskov's Argus language were also a
>> source of inspiration for promises in E.
>>
>
> Not inspiration, but precedence and therefore credit. In 1989, Dean, I, and
> others independently came up with a promise pipelining model similar to
> Liskov and Shrira's promises as part of the Xanadu (aka Udanax Gold) work <
> http://web.archive.org/web/20071023111712/http://www.sunless-sea.net/Transcripts/promise.html>.
> Afterwards, we found out about their 1988 paper <
> http://portal.acm.org/citation.cfm?idT016>, and so have consistently given
> them credit for inventing the idea first, as they did.
>
> ...
>
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