Add .reset() term for smart pointers in C++

content/cpp/concepts/pointers/terms/reset/reset.md

@@ -0,0 +1,78 @@
+---
+title: .reset()
+description: Releases ownership of the managed object and optionally takes ownership of a new object.
+---
+
+### .reset()
+
+The `.reset()` method is used with **smart pointers** in C++ (such as `std::unique_ptr` and `std::shared_ptr`). It releases ownership of the currently managed object and, optionally, replaces it with a new one.
+
+This method helps prevent memory leaks by ensuring the previously managed object is properly deleted when it's no longer needed.
+
+---
+
+## Syntax
+
+```cpp
+smart_pointer.reset();              // Releases ownership of the current object
+smart_pointer.reset(new Type());    // Deletes current object and takes ownership of the new one
+```
+
+---
+
+## Example
+
+```cpp
+#include <iostream>
+#include <memory>
+
+int main() {
+    std::unique_ptr<int> ptr(new int(42));
+    std::cout << "Value before reset: " << *ptr << std::endl;
+
+    ptr.reset(); // Releases ownership and deletes the managed object
+
+    if (!ptr) {
+        std::cout << "Pointer is null after reset." << std::endl;
+    }
+
+    return 0;
+}
+```
+
+In this example, a `std::unique_ptr` manages an `int` with a value of 42.  
+After calling `.reset()`, the pointer releases ownership of the object and becomes null.  
+The check `if (!ptr)` confirms the pointer was successfully reset.
+
+---
+
+## Codebyte
+
+Here’s a compilable example using `.reset()` with a `std::shared_ptr`:
+
+```codebyte/cpp
+#include <iostream>
+#include <memory>
+
+int main() {
+    std::shared_ptr<std::string> message = std::make_shared<std::string>("Hello from Codecademy!");
+    std::cout << "Message: " << *message << std::endl;
+
+    message.reset(); // Releases ownership of the managed string
+
+    if (!message) {
+        std::cout << "The pointer has been reset." << std::endl;
+    }
+
+    return 0;
+}
+```
+
+---
+
+## References
+
+- [`std::unique_ptr::reset()` - cppreference.com](https://en.cppreference.com/w/cpp/memory/unique_ptr/reset)
+- [Codecademy C++ Course](https://www.codecademy.com/learn/learn-c-plus-plus)
+
+