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  1. #include <queue>
  2. #include <deque>
  3. #include <iostream>
  4.  
  5. template<typename T, typename Container=std::deque<T> >
  6. class iterable_queue : public std::queue<T,Container>
  7. {
  8. public:
  9.     typedef typename Container::iterator iterator;
  10.     typedef typename Container::const_iterator const_iterator;
  11.  
  12.     iterator begin() { return this->c.begin(); }
  13.     iterator end() { return this->c.end(); }
  14.     const_iterator begin() const { return this->c.begin(); }
  15.     const_iterator end() const { return this->c.end(); }
  16. };
  17.  
  18. int main() {
  19.     iterable_queue<int> int_queue;
  20.     for(int i=0; i<10; ++i)
  21.         int_queue.push(i);
  22.     for(auto it=int_queue.begin(); it!=int_queue.end();++it)
  23.         std::cout << *it << "\n";
  24.     return 0;
  25. }
Success #stdin #stdout 0s 3476KB
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https://ideone.com/vI5Bm4
language:
C++14 (gcc 8.3)
created:
10 years ago
visibility:
public

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