PostListState { var state = state ?? PostListState() if let action = action as? Action { switch action { case let .updatePosts(posts): state.posts = posts } return state } } ঢ়ଶΛมߋ͢Δ • Reducer͕ActionΛड͚औΓɺঢ়ଶΛมߋ͢Δ • ৽͍͠ঢ়ଶViewModelΛ௨ͯ͡Viewʹ௨͞Εɺը໘ʹσʔ λ͕දࣔ͞ΕΔ