[Haskell-cafe] ANN: Buster 0.99.1, a library for application orchestration that is not FRP

minh thu noteed at gmail.com
Thu Apr 2 09:53:55 EDT 2009

It's vis instead of vs:

2009/4/2 Peter Verswyvelen <bugfact at gmail.com>:
> Sounds vaguely like Grapefruit's circuits, but I could be very wrong...
> The link you provided seems to be broken?
> On Thu, Apr 2, 2009 at 3:05 PM, Jeff Heard <jefferson.r.heard at gmail.com>
> wrote:
>> Read more about it on its webpage: http://vs.renci.org/jeff/buster
>> Yes, it’s to solve a particular problem.  And yes, this is a rough
>> draft of an explanation of how it works.  I’ve not even really
>> solidified the vocabulary yet, but I have this module which couches a
>> large, abstract, interactive (both with the user and the system),
>> multicomponent application in terms of a bus, inputs, behaviours, and
>> events.
>>    * Time is continuous and infinite.
>>    * An event is a static, discrete item associated with a particular
>> time.
>>    * The bus is the discrete view of event in time at an instant.
>>    * A widget is an IO action that assigns events to a particular
>> time based only upon sampling the outside world (other events and
>> behaviours are irrelevant to it).  e.g. a Gtk Button is a widget, a
>> readable network socket is an widget, the mouse is an widget, the
>> keyboard is an widget, a multitouch gesture engine is a widget.
>>    * A behaviour is a continuous item — it exists for the entire
>> program and for all times — which maps events on the bus to other
>> events on the bus.  It is an IO action as well — where widgets only
>> sample the outside world and are in a sense read only, behaviours
>> encapsulate reading and writing.
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