text: import {INCREASE_COUNT, DECREASE_COUNT} from '../action/types'
  
  const initialState = {
      count:0,
  }
  export default function countReducer(state = initialState, action) {
      switch(action.type) {
          case INCREASE_COUNT:
              return {
                  count: state.count + 1
              }
  
          case DECREASE_COUNT:
              return {
                  count: state.count - 1
              }
  
          default:
              return state;
      }
  }