text: #include "MyQueue.h"
  #include <cstdio>
  #include <cstdlib>
  
  bool isEmpty(struct myqueue<T> *head){
      if(head==nullptr)   return true;
      else    return false;
  }
  
  struct myqueue<T>* push(struct myqueue<T> *head){
      struct myqueue<T> *p = nullptr;
      p = (struct myqueue<T>*)malloc(sizeof(struct myqueue<T>))
      if(p==nullptr){
          printf("Error!No enough memory to allocate!\n");
      }
  
      return head;
  }
  
  