1 files changed, 57 insertions, 0 deletions
diff --git a/inheritance.cpp b/inheritance.cpp
new file mode 100644
index 0000000..8534769
--- /dev/null
+++ b/inheritance.cpp
@@ -0,0 +1,57 @@
+#include "inheritance.hpp"
+
+container::container(std::size_t max_size_) : max_size(max_size_) {
+     // intialize storage
+     m_storage = new int[max_size];
+}
+
+container::~container() {
+    if (m_storage != nullptr)
+        delete m_storage;
+}
+
+void lifo::add(int v) {
+    push(v);
+}
+
+int lifo::get() {
+    return pop();
+}
+
+void lifo::push(int v) {
+    if (m_top >= max_size)
+        return;
+
+    m_storage[m_top++] = v;
+}
+
+int lifo::pop() {
+    if (m_top <= 0)
+        return 0;
+
+    return m_storage[--m_top];
+}
+
+
+void fifo::add(int v) {
+
+}
+
+int fifo::get() { 
+    return 0;
+}
+
+
+int main(int argc, char *argv[]) {
+
+    container *c = new lifo(2);
+
+    c->add(1);
+    c->add(2);
+
+    lifo *b = static_cast<lifo *> (c);
+
+    b->push(2);
+
+    delete c;
+}