Slicing sequence by predicate

Slicing.swift

extension Sequence {
  func sliced(by predicate: (Element, Element) -> Bool) -> [[Element]] {
    var result = [[Element]]()

    for element in self {
      guard let previous = result.last?.last, !predicate(previous, element) else { result.append([element]); continue }
      result[result.count - 1].append(element)
    }

    return result
  }
}

let numbers = [0, 0, 0, 2, 2, 3, 5, 0].sliced(by: !=)
print(numbers)