[Haskell-cafe] ANN: Buster 0.99.1, a library for application
orchestration that is not FRP
bugfact at gmail.com
Thu Apr 2 09:51:28 EDT 2009
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
> * 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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