Contents

init(upstream:predicate:)

Creates a publisher that publishes only elements that don’t match the previous element, as evaluated by a provided closure.

Declaration

init(upstream: Upstream, predicate: @escaping (Publishers.RemoveDuplicates<Upstream>.Output, Publishers.RemoveDuplicates<Upstream>.Output) -> Bool)

Parameters

  • upstream:

    The publisher from which this publisher receives elements.

  • predicate:

    A closure to evaluate whether two elements are equivalent, for purposes of filtering. Return true from this closure to indicate that the second element is a duplicate of the first.