WIP ReSwift AppReducer

AppReducer.swift

import ReSwift

struct AppReducer: Reducer {

    func handleAction(action: Action, state: AppState?) -> AppState {

        var state = state ?? AppState()

        state.route = routeReducer(action, state: state.route)
        state.signin = signInReducer(action, state: state.signin)
        state.createAccount = createAccountReducer(action, state: state.createAccount)

        return state
    }

}

func signInReducer(action: Action, state: SignInState) -> SignInState {
    guard let action = action as? SignInAction else { return state }

    var state = state

    switch action {
    case .SetEmail(let email):
        state.email = email

    case .SetPassword(let password):
        state.password = password
    }

    return state
}