Required Associated Typeswift-composable-architecture 1.18.0ComposableArchitecture
Action
CaseReducer.swift:8associatedtype Action = Self.Actionassociatedtype Action = Self.Actionimport ComposableArchitectureThe Composable Architecture (TCA, for short) is a library for building applications in a consistent and understandable way, with composition, testing, and ergonomics in mind. It can be used in SwiftUI, UIKit, and more, and on any Apple platform (iOS, macOS, tvOS, and watchOS).
protocol CaseReducer<State, Action> : Reducer where Self.Action == Self.Body.Action, Self.Body : Reducer, Self.State : CaseReducerState, Self.State == Self.Body.StateA reducer represented by multiple enum cases.
associatedtype ActionA type that holds all possible actions that cause the State of the reducer to change and/or kick off a side Effect that can communicate with the outside world.
associatedtype Body = Self.Bodyassociatedtype CaseScopeassociatedtype State = Self.State@ReducerBuilder<Self.State, Self.Action> static var body: Body { get }@preconcurrency @MainActor static func scope(_ store: Store<State, Action>) -> CaseScope