Hands-On Reactive Programming with Python

Reactivity diagram elements

Reactivity diagrams can be constructed from the following elements:

• Circles: Observables are represented as circles. An input observable is represented as a black circle. An output observable is represented as an encircled black circle. Two other notations allow us to indicate when actions are done: when an observable terminates on completion or on error. This notation is similar to the marble diagrams; an observable error event is represented as a circle with a cross in it, and an observable completion event is represented as a circle with a bar in it. This is shown in the following figure:

Figure 1.13: Observable ...