1 files changed, 40 insertions, 0 deletions
diff --git a/inheritance.hpp b/inheritance.hpp
new file mode 100644
index 0000000..6fbc48e
--- /dev/null
+++ b/inheritance.hpp
@@ -0,0 +1,40 @@
+#include <cstddef>
+
+class container {
+public:
+    const std::size_t max_size;
+
+    container() = delete;
+    container(std::size_t max_size);
+    virtual ~container();
+
+    virtual void add(int v) = 0;
+    virtual int get() = 0;
+    
+protected:
+    int *m_storage = nullptr;
+};
+
+
+class lifo : public container {
+public:
+    lifo(std::size_t max_size) : container(max_size) {}
+
+    void add(int v) override;
+    int get() override;
+
+    void push(int v);
+    int pop();
+
+private:
+    unsigned m_top = 0;
+};
+
+
+class fifo : public container {
+    fifo(std::size_t max_size) : container(max_size) {}
+
+    void add(int v) override;
+    int get() override;
+};
+