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kotlinlang

<@U5JLY4V45> Of course when using `vararg` all the elements will have to be of the same type (e.g. `Observable&lt;String&gt;`). So if your form has various types, this might me a problem. Maybe it would be better to use something like `Observable.combineLatest()`, which is parametrized (generics) and can handle up to 9 *different* Observables?

My form has the same type, and a want to use vararg to pass all variable to Flowable.combineLatest

Ok. So IMO you have two options: 1) Use `vararg`, or 2) Define your function exactly the same as `combineLatest()` - with the use of Generics. I think the second option is better, as it gives you the ability to have *different* types, if you’ll ever want them in the future