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Tony Garnock-Jones 2016-04-01 21:03:03 -04:00
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entities formed to transact some specific business, to pursue or
promote a shared interest. <small>—[Wikipedia](https://en.wikipedia.org/wiki/Syndicate)</small>
<div class="linkbuttons"><a href="{{ page.link.ghrepo }}"><img alt="Link to Syndicate github repo" src="{{ site.baseurl }}/img/GitHub-Mark-64px.png"></a></div>
# Motivation
<!-- # Motivation -->
Every interactive program needs some way of
<!-- Syndicate is an Actor-based language with features specifically -->
<!-- designed to help programmers organise their interactive programs. -->
- representing the *conversations* it is having as *concurrent
components*
<!-- # Trying it out -->
- *mapping incoming events* to these components
<!-- The [Syndicate github repository](https://github.com/tonyg/syndicate) -->
<!-- contains Syndicate implementations for both -->
<!-- [Racket](http://racket-lang.org/) and -->
<!-- [ES5](https://en.wikipedia.org/wiki/ECMAScript). -->
- managing the *shared understanding* that the components are
building as they work towards the program's goal
<!-- ... -->
<!-- which includes -->
- cleaning up shared state after *partial failure* of a component
<!-- - the implementation of the `#lang syndicate` language, in the -->
<!-- [`syndicate` directory](https://github.com/tonyg/syndicate/tree/master/syndicate/). -->
- *scoping* interactions and shared state inside the program
<!-- - a TCP echo server example, which listens for connections on port -->
<!-- 5999 by default, in -->
<!-- [`syndicate/examples/echo.rkt`](https://github.com/tonyg/syndicate/tree/master/syndicate/examples/echo.rkt). -->
<!-- Connect to it using, for example, `telnet localhost 5999`. -->
Existing programming languages lack linguistic support for these
requirements, leaving the programmer to fend for themselves.
<!-- - a handful of other examples, in -->
<!-- [`syndicate/examples/`](https://github.com/tonyg/syndicate/tree/master/syndicate/examples/). -->
Syndicate is a language designed to help organise interactive
programs.
<!-- ## Compiling and running the code -->
# Features
<!-- You will need Racket version 6.3 or later. -->
Syndicate is an Actor-based language offering
<!-- Once you have Racket installed, run -->
- pub/sub pattern-based message routing, for mapping events to actors
<!-- raco pkg install syndicate -->
- *dataspaces*, stores for semi-structured data, for managing shared
state
<!-- to install the package from the Racket package repository, or -->
- *state change notifications* for keeping actors informed of changes
in dataspaces
<!-- raco pkg install -->
- integrated techniques for registering and discovering services and
for cleaning up after both graceful and unexpected actor failures
<!-- from the root directory of the Git checkout to install the package -->
<!-- from a local snapshot. (Alternatively, `make link` does the same thing.) -->
<!-- This will make `#lang syndicate` available to programs. -->
- recursive layering of groups of actors, each group with a private
dataspace of its own, for organising larger programs
<!-- At this point, you may load and run any of the example `*.rkt` files -->
<!-- in the -->
<!-- [`syndicate/examples/`](https://github.com/tonyg/syndicate/tree/master/syndicate/examples/) -->
<!-- directory. -->
Together, these features help address the above challenges.
# Code
Syndicate is implemented both for [Racket](http://racket-lang.org/)
and for [ES5](https://en.wikipedia.org/wiki/ECMAScript).
<a href="{{ page.link.ghrepo }}"><img class="leftfloat" alt="Link to Syndicate github repo" src="{{ site.baseurl }}/img/GitHub-Mark-64px.png"></a>
The [Syndicate github repository]({{ page.link.ghrepo }}) contains
implementations along with some larger example programs.
<div class="clear"></div>
# Papers
<a href="{{ site.baseurl }}/papers/from-events-to-reactions-a-progress-report-20160301-1747.pdf"><img class="leftfloat" src="{{ site.baseurl }}/img/pdf_icon_gen_48x49.png"></a>
Tony Garnock-Jones, [“From Events To Reactions: A Progress Report”]({{
site.baseurl
}}/papers/from-events-to-reactions-a-progress-report-20160301-1747.pdf),
In: Proc. 9th Int. Workshop on Programming Language Approaches to
Concurrency and Communication-cEntric Software (PLACES 2016), April
2016, Eindhoven, Netherlands.
<div class="clear"></div>
<a href="{{ site.baseurl }}/papers/coordinated-concurrent-programming-in-syndicate-20160111-1409.pdf"><img class="leftfloat" src="{{ site.baseurl }}/img/pdf_icon_gen_48x49.png"></a>
Tony Garnock-Jones and Matthias Felleisen,
[“Coordinated Concurrent Programming in Syndicate”]({{ site.baseurl
}}/papers/coordinated-concurrent-programming-in-syndicate-20160111-1409.pdf),
In: Proc. 25th European Symposium on Programming (ESOP 2016), April
2016, Eindhoven, Netherlands.
<div class="clear"></div>

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