text: const PREFIX = "HEADER_";
  
  export const LOAD_TOPICS = `${PREFIX}LOAD_TOPICS`;
  export const LOAD_TOPICS_SUCCESS = `${PREFIX}LOAD_TOPICS_SUCCESS`;
  export const LOAD_TOPICS_ERROR = `${PREFIX}LOAD_TOPICS_ERROR`;
  
  export const loadTopics = () => {
      return {
          type: LOAD_TOPICS,
      }
  }
  export function loadTopicsSuccess(payload) {
      return {
          type: LOAD_TOPICS_SUCCESS,
          payload,
      };
  }
  export function loadTopicsError(payload) {
      return {
          type: LOAD_TOPICS_ERROR,
          payload,
      };
  }