import rx
from rx import operators as ops

"""
simple example that merges two cold observables.
"""

source0 = rx.cold('a-----d---1--------4-|', timespan=0.01)
source1 = rx.cold('--b-c-------2---3-|   ', timespan=0.01)

observable = rx.merge(source0, source1).pipe(ops.to_iterable())
elements = observable.run()
print('received {}'.format(list(elements)))