2.x: count, elementAt, ingoreElements, last, single, reduce, reduceWith to return non-Flowable #4576
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This PR updates many
Flowable
operators to returnSingle
,Maybe
orCompletable
:count()
->Single
elementAt()
->Maybe
elementAt(T)
->Single
first(T)
->Single
firstElement()
->Maybe
ignoreElements()
->Completable
reduce(Callable, BiFunction)
->Single
reduceWith(U, BiFunction)
->Single
single(T)
->Single
singleElement()
->Maybe
and deletes
Flowable.toSingle
,Flowable.toMaybe
andFlowable.toCompletable
.Flowble.reduce(BiFunction)
was not yet changed fromSingle
toMaybe
(to allow empty sources to be reduced to empty Maybe).Related: #4321