From f411931a5fb846ba340924e9f81282c29fbf67e5 Mon Sep 17 00:00:00 2001
From: Khushi Rana <91715072+KhushiRana2003@users.noreply.github.com>
Date: Mon, 11 Oct 2021 16:28:36 +0530
Subject: [PATCH] Create smart_pointers.cpp

---
 code/smart_pointers.cpp | 28 ++++++++++++++++++++++++++++
 1 file changed, 28 insertions(+)
 create mode 100644 code/smart_pointers.cpp

diff --git a/code/smart_pointers.cpp b/code/smart_pointers.cpp
new file mode 100644
index 0000000..ba66056
--- /dev/null
+++ b/code/smart_pointers.cpp
@@ -0,0 +1,28 @@
+#include <iostream>
+using namespace std;
+
+// A generic smart pointer class
+template <class T>
+class SmartPtr {
+    T* ptr; // Actual pointer
+public:
+    // Constructor
+    explicit SmartPtr(T* p = NULL) { ptr = p; }
+    // Destructor
+    ~SmartPtr() { delete (ptr); }
+    // Overloading dereferncing operator
+    T& operator*() { return *ptr; }
+    // Overloading arrow operator so that
+    // members of T can be accessed
+    // like a pointer (useful if T represents
+    // a class or struct or union type)
+    T* operator->() { return ptr; }
+};
+
+int main()
+{
+    SmartPtr<int> ptr(new int());
+    *ptr = 20;
+    cout << *ptr;
+    return 0;
+}