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by mattpodwysocki 4258 days ago
RxJS author here. We on the RxJS team have never called RxJS FRP as we do not have a continuous notion of time, instead we have a notion of virtual time. That and we do not distinguish between events and behaviors as they all are Observable objects.
1 comments
seanmcdirmid 4258 days ago
Virtual time as in Jefferson's Time Warp system?
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mattpodwysocki 4258 days ago
As in you can specify the time at which things execute and swap out the concurrency model at any time. This makes it perfect for testing: https://github.com/Reactive-Extensions/RxJS/blob/master/doc/...
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seanmcdirmid 4258 days ago
It doesn't seem to be very related. Virtual time as defined in jefferson's seminal paper is a variation of Lamport's virtual clocks used in distributed discrete simulations; it is the analog of virtual memory.

The name clash wouldn't be such a big deal (systems is far away from webdev), but time warp is also very related to transactions and FRP in providing abstractions to deal with change in reactive programs.

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mattpodwysocki 4258 days ago
It's not. Virtual time can mean anything in this case as in not real time and it can be swapped out at any point.
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