Yep that looks better than 79 lines of Java code (...

# rx

[artem_zin]

Yep that looks better than 79 lines of Java code (including license, and um, Java `https://github.com/ReactiveX/RxJava/blob/2.x/src/main/java/io/reactivex/internal/operators/observable/ObservableMap.java`), but I still don’t get why would you need to do that if can combine existing operators to achieve desired effect?