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    Use RxJS mergeMap to Map and Merge High Order Observables

    André StaltzAndré Staltz
    rxjsRxJS
    ^5.0.0

    Like RxJS switchMap() is a shortcut for map() and switch(), we will see in this lesson how mergeMap() is a shortcut for map() and mergeAll(), and learn its arguments for customised behavior.

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