SharedPtr: Add operator=

luna/include/luna/SharedPtr.h

@@ -1,7 +1,6 @@
 #pragma once
 #include <luna/Alloc.h>
 #include <luna/Atomic.h>
-#include <luna/DebugLog.h>
 #include <luna/Result.h>
 #include <luna/ScopeGuard.h>
 
@@ -54,6 +53,24 @@ template <typename T> class SharedPtr
         }
     }
 
+    SharedPtr<T>& operator=(const SharedPtr<T>& other)
+    {
+        if (&other == this) return *this;
+
+        if (m_ref_count && m_ref_count->unref())
+        {
+            delete m_ref_count;
+            delete m_ptr;
+        }
+
+        m_ptr = other.m_ptr;
+        m_ref_count = other.m_ref_count;
+
+        m_ref_count->ref();
+
+        return *this;
+    }
+
     T* ptr() const
     {
         return m_ptr;