text: import { all } from 'redux-saga/effects';
  import StudyHistory from '../../components/controls/StudyHistory';
  import loginSaga from './login.saga';
  import registrationSaga from './registration.saga';
  import userSaga from './user.saga';
  import studyHistory from './studyHistory.saga';
  import studyDetail from './studyDetail.saga';
  import studyStatistics from './studyStatistics.saga';
  import studyTool from './studyTool.saga';
  
  export default function* rootSaga() {
    yield all([
      loginSaga(), 
      registrationSaga(),
      userSaga(),
      studyDetail(),
      studyHistory(),
      studyStatistics(),
      studyTool(),
    ]);
  }
  