Subscript operator-const arrays
| 19 | T& operator[](size_t index); // Subscript operator |
| 20 | const T& operator[](size_t index) const; // Subscript operator-const arrays |
| 21 | size_t getSize() const { return m_size; } // Accessor for m_size |
| 22 | |
| 23 | private: |
| 24 | T* m_elements; // Array of type T |