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defaultIfEmpty(Observable<T> t) #1878

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benjchristensen opened this issue Nov 13, 2014 · 2 comments
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defaultIfEmpty(Observable<T> t) #1878

benjchristensen opened this issue Nov 13, 2014 · 2 comments
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1.0.x

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@benjchristensen
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Went to use defaultIfEmpty and found it only accepts a single value .... instead of an Observable which means I can't pass in an Observable.error.

It would be very helpful to have defaultIfEmpty(Observable<T> t)
@benjchristensen benjchristensen added this to the 1.0.x milestone Nov 13, 2014
@zsxwing
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zsxwing commented Nov 14, 2014

+1. Then tail in RxScala can be implemented by o.defaultIfEmpty(Observable.error(new UnsupportedOperationException("tail of empty list"))).drop(1)

@samueltardieu
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Maybe switchIfEmpty would be a better name.

@alexwen alexwen mentioned this issue Dec 19, 2014
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@samueltardieu @benjchristensen @zsxwing