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Tag: rx-java

What is the difference between concatMap and flatMap in RxJava

It seems that these 2 functions are pretty similar. They have same signature (accepting rx.functions.Func1<? super T, ? extends Observable<? extends R>> func), and their marble diagrams look exactly same. Can’t paste the pics here, but here’s one for concatMap, and here’s one for flatMap. There seems to be some subtle difference in the description of resulting Observable, where one

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