OwnedPtr: Implement assignment operators

luna/include/luna/OwnedPtr.h

@@ -7,6 +7,11 @@ template <typename T> class SharedPtr;
 template <typename T> class OwnedPtr
 {
   public:
+    OwnedPtr()
+    {
+        m_ptr = nullptr;
+    }
+
     OwnedPtr(T* ptr)
     {
         m_ptr = ptr;
@@ -25,6 +30,20 @@ template <typename T> class OwnedPtr
         other.m_ptr = nullptr;
     }
 
+    OwnedPtr<T>& operator=(const OwnedPtr<T>& other) = delete;
+
+    OwnedPtr<T>& operator=(OwnedPtr<T>&& other)
+    {
+        if (&other == this) return *this;
+
+        if (m_ptr) delete m_ptr;
+
+        m_ptr = other.m_ptr;
+        other.m_ptr = nullptr;
+
+        return *this;
+    }
+
     T* ptr() const
     {
         return m_ptr;