code: function (...values) {
      let list = [];
      let {main, follower} = reuseables.getMainAndFollower(values);
  
      main.forEach(x=>{
        if(list.indexOf(x) ==-1) {
          if(follower.indexOf(x) >=0) {
            if(list[x] ==undefined) list.push(x) }
        }
      })
      return list;
    }
docs: Returns values in two comparing arrays without repetition.
  Arrangement of resulting array is determined by main array.
  @param 1st Any number of individual arrays
  @param 2nd {number} Position number of array to be used as main
  @param 3rd {number} Position number of to be used as follower
  @returns values found in both arrays