Smartly pointing you in the right direction

Variables/smart_pointers.cpp

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+#include <iostream>
+#include <memory.h>
+#include <memory>
+
+using namespace std;
+
+/*
+    Smart Pointers. Pointing you in the smart way!
+    They are the same as shared pointers (see shared_pointers.cpp)
+    They prevent memory leaks and automatically deallocate memory when needed.
+*/
+
+void memory_leak() {
+    // This causes a memory leak for the following reasons:
+    // myPointer is assigned -> memory assigned to this variable
+    // myPointer is never actually used and thus memory is sitting and waiting
+    // myPointer is not deallocated from it's memory and results in memory leakage.
+    int* myPointer = new int(10);
+    int x = 15;
+    if (x == 15) {
+        return;
+    }
+    delete myPointer; // NEED TO DO THIS OR MEMORY LEAK
+    // this delete statement will never be met if x == 15 though thus memory leakage again.
+}
+
+void no_memory_leak() {
+    unique_ptr<int> myPointer(new int(10)); // makes a new pointer, value of 10 to it
+    // note it's a unique pointer and not a normal one, check main func for more info.
+    int x = 15;
+    if (x == 15) {
+        return; // no more memory leakage as the smart pointer knows how to handle if it's not used and when to deallocate the memory
+        // smart, eh?
+    }
+}
+
+int main() {
+    // Note: They are not called smart pointer, rather unique pointers. 
+    // Any keywords of them will point `:p` to smart pointers.
+    memory_leak(); // will cause memory leak!
+    no_memory_leak(); // no memory leak!
+
+    return 0;
+}