add unity project

add SOLID examples
2025-04-09 07:49:12 +02:00
parent ff37858d12
commit a4f498a33d
102 changed files with 8244 additions and 0 deletions
@@ -0,0 +1,43 @@
+namespace DefaultNamespace
+{
+    public class BaseClass {}
+
+    public class ChildClass : BaseClass {}
+
+    public delegate void CoVarianceHandler(ChildClass args);
+    public delegate BaseClass ContraVarianceHandler();
+
+    public class Delegates
+    {
+        public event CoVarianceHandler CoVariance;
+        public event ContraVarianceHandler ContraVariance;
+    
+        public void OnBaseClass(BaseClass args) {}
+        public void OnChildClass(ChildClass args) {}
+
+        public BaseClass OnReturnBaseClass()
+        {
+            return new BaseClass();
+        }
+
+        public ChildClass OnReturnChildClass()
+        {
+            return new ChildClass();
+        }
+
+        public void Init()
+        {
+            CoVariance += OnBaseClass;
+            CoVariance += OnChildClass;
+        
+            CoVariance?.Invoke(new ChildClass());
+            // CoVariance?.Invoke(new BaseClass()); // is not working, because delegate expect an instance of ChildClass
+        
+            ContraVariance += OnReturnBaseClass;
+            ContraVariance += OnReturnChildClass;
+        
+            BaseClass baseClass = ContraVariance?.Invoke();
+            // ChildClass childClass = ContraVariance?.Invoke(); // is not working, because delegate returns only an instance of BaseClass
+        }
+    }
+}