Program Listing for File stack_with_array_stl.h

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#ifndef DATA_STRUCTURES_STACK_WITH_ARRAY_STL_H
#define DATA_STRUCTURES_STACK_WITH_ARRAY_STL_H

#include <vector>

namespace DataStructures {

template <typename T>
class StackWithArraySTL {
public:
        void push(const T& element) { arr.push_back(element); }

        T pop()
        {
                T top = arr.back();
                arr.pop_back();
                return top;
        }

        T peek() const { return arr.back(); }

        size_t size() const { return arr.size(); }

private:
        std::vector<T> arr;
};

} // namespace DataStructures

#endif // DATA_STRUCTURES_STACK_WITH_ARRAY_H