removePage static method

dynamic removePage(
  1. String tag,
  2. num uid
)

Implementation

static removePage(String tag,num uid){
   if(pageList.containsKey(tag)){
      Queue<num> queue=pageList[tag]!;
      queue.remove(uid);
      if(queue.isEmpty){
         pageList.remove(tag);
      }
   }else{

   }
}