Type Alias FlatMapOp 

pub type FlatMapOp<Source, Inner, F> = FlattenOp<MapOp<Source, F>, Inner>;

Returns an Observable that emits items based on applying a function that you supply to each item emitted by the source Observable, where that function returns an Observable, and then merging those resulting Observables and emitting the results of this merger.

Aliased Type

pub struct FlatMapOp<Source, Inner, F> { /* private fields */ }