0001    /**
0002     This protocol is used when you want to make modifications to the store's state.
0003     All changes to the store go through this type.
0004    
0005     Sample Action:
0006    
0007     ```swift
0008     struct UpdateIdAction: ActionType {
0009         let id: Int
0010    
0011         func reduce(state: AppState) -> AppState {
0012             state.id.value = id
0013             return state
0014         }
0015     }
0016    
0017     store.dispatch(UpdateIdAction(id: 1))
0018     ```
0019    */
0020    public protocol ActionType
Store.swift:39
    mutating func dispatch<Action: ActionType where Action.StateValueType == ObservableState.ValueType>(action: Action)
Store.swift:53
    public mutating func dispatch<Action: ActionType where Action.StateValueType == ObservableState.ValueType>(action: Action) {
 {
0021        /**
0022         The type of the app's state.
0023    
0024         - note: This is inferred from the `reduce` method implementation.
0025        */
0026        typealias StateValueType
Action.swift:36
    func reduce(state: StateValueType) -> StateValueType
Action.swift:36
    func reduce(state: StateValueType) -> StateValueType
Store.swift:39
    mutating func dispatch<Action: ActionType where Action.StateValueType == ObservableState.ValueType>(action: Action)
Store.swift:53
    public mutating func dispatch<Action: ActionType where Action.StateValueType == ObservableState.ValueType>(action: Action) {

0027    
0028        /**
0029         This method is called when this action is dispatched. Its purpose is to
0030         make modifications to the state and return a new version of it.
0031    
0032         - note: This is the only place that changes to the state are permitted.
0033         - parameter state: The current state of the store.
0034         - returns: The new state.
0035        */
0036        func reduce
Store.swift:54
        state.value = action.reduce(state.value)
(state: StateValueType) -> StateValueType
0037    }
0038