Re: Question about E's history.

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.

Jonathan

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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