Hands-On Reactive Programming with Python

The timer operator

The timer operator creates an observable that emits an item after an absolute or relative time has elapsed. After this first emission, the observable emits items periodically if a period value has been provided. The following figure shows the marble diagram of the timer operator without a period:

Figure 4.7: The timer operator as a single shot

The following figure shows the marble diagram of the timer operator with a period:

Figure 4.8: The timer operator with a periodic item emission

The prototype of this operator is as ...