zip[S,T,R](source: Observer[S], combiner: (T,R)=>S): (Observer[T],Observer[R]) = { /* isn't it funny what duality does to your types */ }
@headinthebox That's unzip. Dual of zip would be Observer<Either<A, B>> => Either<Observer<A>, Observer<B>>
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@dibblego Perhaps, maybe, in a completely different context. Here, I am flipping zip on Iterator.Thanks. Twitter will use this to make your timeline better. UndoUndo
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