text: import {combineReducers} from 'redux'
  import actions from './actions' // do not destructure default imports
  
  const {UPDATE_TITLE: updateTitle, UPDATE_SUBTITLE: updateSub} = actions
  
  const title = (state = 'title', action) => {
      switch (action.type) {
          case updateTitle:
              return action.payload
          default:
              return state
      }
  }
  
  const subtitle = (state = 'subtitle', action) => {
      switch (action.type) {
          case updateSub:
              return action.payload
          default:
              return state
      }
  }
  
  export default combineReducers ({
      title,
      subtitle
  })
  