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Assets/Scripts/Singleton/Singleton.cs

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+using System;
+
+namespace LoveLegend
+{
+    public class Singleton<T> : ISingleton, IDisposable where T : Singleton<T>, new()
+    {
+        private static T mInstance;
+
+        private static readonly object LockObject = new();
+
+        public static T Instance
+        {
+            get
+            {
+                lock (LockObject)
+                {
+                    mInstance ??= new T();
+                    mInstance.OnSingletonInit();
+                }
+
+                return mInstance;
+            }
+        }
+
+        public virtual void Dispose()
+        {
+            mInstance = null;
+        }
+
+        public void OnSingletonInit()
+        {
+        }
+    }
+}