bufferTest method
inherited
Creates an Observable where each item is a List
containing the items
from the source sequence, batched whenever test passes.
Example
new Observable.periodic(const Duration(milliseconds: 100), (int i) => i)
.bufferTest((i) => i % 2 == 0)
.listen(print); // prints [0], [1, 2] [3, 4] [5, 6] ...
Implementation
Observable<List<T>> bufferTest(bool onTestHandler(T event)) =>
transform(BufferTestStreamTransformer<T>(onTestHandler));