THIS IS A TEST INSTANCE. ALL YOUR CHANGES WILL BE LOST!!!!
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KStream looks a lot like java.util.stream.Stream
; it includes methods such as filter
and map
, terminal operations like to
or join
, and so on. One conspicuously absent method is peek
.e
Most stream operations are expected to be pure functions. peek
, by its nature, is not. Usually mutating external state is discouraged but a number of diagnostic activities are made much easier.
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