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39
40#ifndef QSTACK_H
41#define QSTACK_H
42
43#include <QtCore/qlist.h>
44
45QT_BEGIN_NAMESPACE
46
47template<class T>
48class QStack : public QList<T>
49{
50public:
51 // compiler-generated special member functions are fine!
52 inline void swap(QStack<T> &other) noexcept { QList<T>::swap(other); } // prevent QList<->QStack swaps
53 inline void push(const T &t) { QList<T>::append(t); }
54 T pop();
55 T &top();
56 const T &top() const;
57};
58
59template<class T>
60inline T QStack<T>::pop()
61{ Q_ASSERT(!this->isEmpty()); T t = this->data()[this->size() -1];
62 this->resize(this->size()-1); return t; }
63
64template<class T>
65inline T &QStack<T>::top()
66{ Q_ASSERT(!this->isEmpty()); this->detach(); return this->data()[this->size()-1]; }
67
68template<class T>
69inline const T &QStack<T>::top() const
70{ Q_ASSERT(!this->isEmpty()); return this->data()[this->size()-1]; }
71
72QT_END_NAMESPACE
73
74#endif // QSTACK_H
75