CaseLet wihout action

[artemkrachulov]

I would like to build SwitchStore from enum where not all cases have associated values

enum SwitchContentState<T: Equatable>: Equatable {
  case loading(String)
  case loaded(T)
  case error(String)
}

enum SwitchContentAction<T: Equatable>: Equatable {
  case loaded(T)
}

And use like that

SwitchStore(store) {
   CaseLet(state: /SwitchContentState.loading) { store in
        WithViewStore(store.actionless) { viewStore in
             ReadyView(viewStore.state)
         }
      }

      CaseLet(state: /SwitchContentState.loaded, action: SwitchContentAction.loaded) { store in
           LoadedView(store: store)
      }

      ...
}

The idea, is to not overload with reducers and use only one reducer for loaded case. For rest cases use plain SwitUI views. Can you help?

[mbrandonw]

The simplest thing right now would be to add action cases for all state cases, even if they don't need actions, and just use the Never type.

enum SwitchContentAction<T: Equatable>: Equatable {
  case loading(Never)
  case loaded(T)
  case error(Never)
}

Then it should work just fine:

CaseLet(state: /SwitchContentState.loading, action: SwitchContentAction.loading) { store in

Then you don't even need to do store.actionless.

[artemkrachulov]

Thank you @mbrandonw !