添加缺失插件

Assets/Asset Usage Finder/Editor/Data/Globals.cs

@@ -0,0 +1,21 @@
+using System;
+
+namespace AssetUsageFinder {
+    static class Globals<T> where T : class {
+        static T _instance;
+
+        public static void TryInit(Func<T> ctor) {
+            if (_instance != null) return;
+            _instance = ctor.Invoke();
+        }
+
+        public static T Get() => _instance;
+
+        public static T GetOrCreate(Func<T> ctor) {
+            TryInit(ctor);
+            return _instance;
+        }
+
+        public static void Set(T value) => _instance = value;
+    }
+}