sampleTime method
inherited
Emits the most recently emitted item (if any)
emitted by the source Stream
since the previous emission within
the recurring time span, defined by duration
Example
new Stream.fromIterable([1, 2, 3])
.sampleTime(const Duration(seconds: 1))
.listen(print); // prints 3
Implementation
Observable<T> sampleTime(Duration duration) =>
sample(Stream<void>.periodic(duration));