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| |
| #ifndef QSTACK_H |
| #define QSTACK_H |
| |
| #include <QtCore/qvector.h> |
| |
| QT_BEGIN_NAMESPACE |
| |
| |
| template<class T> |
| class QStack : public QVector<T> |
| { |
| public: |
| // compiler-generated special member functions are fine! |
| inline void swap(QStack<T> &other) noexcept { QVector<T>::swap(other); } // prevent QVector<->QStack swaps |
| inline void push(const T &t) { QVector<T>::append(t); } |
| T pop(); |
| T &top(); |
| const T &top() const; |
| }; |
| |
| template<class T> |
| inline T QStack<T>::pop() |
| { Q_ASSERT(!this->isEmpty()); T t = this->data()[this->size() -1]; |
| this->resize(this->size()-1); return t; } |
| |
| template<class T> |
| inline T &QStack<T>::top() |
| { Q_ASSERT(!this->isEmpty()); this->detach(); return this->data()[this->size()-1]; } |
| |
| template<class T> |
| inline const T &QStack<T>::top() const |
| { Q_ASSERT(!this->isEmpty()); return this->data()[this->size()-1]; } |
| |
| QT_END_NAMESPACE |
| |
| #endif // QSTACK_H |