On 19 February 2018 at 16:23, Tony Garnock-Jones <tonyg at leastfixedpoint.com>
wrote:

> Hi all,
>
> About a year ago I accidentally a small Erlang-style Actors
> implementation for Squeak, based on subclassing Process, using Message
> for, er, messages, and using Promise for RPC.
>
> It draws on my experience of Erlang programming in a few ways: it has
> links and monitors for between-actor failure signalling; it has library
> actors representing sockets; it has a simple tracing facility. There's
> crude and no doubt heavily problematic support for basic Morphic
> interaction.
>
> Over the past couple of weeks I've been dusting it off, fleshing it out,
> and documenting it. (Hence some of the stuff I've been trying out wrt
> Promises.)
>
> It's available at http://squeaksource.com/Actors.html.
>
> Installation instructions, documentation and tutorials can be found at
>
>     https://tonyg.github.io/squeak-actors/
>
> (I spent rather too much time writing documentation.)
>
> It's by no means as ambitious as Squeak-E or Henry's Raven - it only
> deals with single-image in-image messaging between actors, and doesn't
> have the E-style ability to refer to objects within a vat. Instead it
> follows Erlang in having references denote actors (i.e. vats, roughly),
> rather than anything more fine-grained.
>
> Next steps could be:
>
>  - a Workspace that was actor aware, i.e. each Workspace an actor.
>  - better Supervisors.
>  - tools for visualizing the current constellation of actors,
>    perhaps based on Ned Konz's Connectors?
>  - an ActorEventTrace subclass that is able to draw message interaction
>    diagrams as a Morph.
>  - a screencast of building an IRC client maybe?
>
> Cheers,
>   Tony
>
> PS. I did try to port it to Pharo. The first obstacle was lack of class
> Promise - fairly easily overcome. The second, worse obstacle was weird
> failures and incompatibilities in Socket support. I gave up at that point.
>
> PPS. I'd love to see it running on Cuis.
>
>
​Nice!

- Bert -​
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