merge(with:)
Declaration
func merge<P>(with other: P) -> Publishers.Merge6<A, B, C, D, E, P> where P : Publisher, E.Failure == P.Failure, E.Output == P.Outputfunc merge<P>(with other: P) -> Publishers.Merge6<A, B, C, D, E, P> where P : Publisher, E.Failure == P.Failure, E.Output == P.Output