Fix equatable protocol conformation.

Author: ShikiSuen

Megrez/src/1_Compositor.cs

@@ -641,5 +641,25 @@ public void DropNodesBeyondMaxSpanLength() {
         }
       }
     }
+
+    /// <summary>
+    /// 
+    /// </summary>
+    /// <param name="left"></param>
+    /// <param name="right"></param>
+    /// <returns></returns>
+    public static bool operator ==(CompositorConfig left, CompositorConfig right) {
+      return left.Equals(right);
+    }
+
+    /// <summary>
+    /// 
+    /// </summary>
+    /// <param name="left"></param>
+    /// <param name="right"></param>
+    /// <returns></returns>
+    public static bool operator !=(CompositorConfig left, CompositorConfig right) {
+      return !(left == right);
+    }
   }
 }  // namespace Megrez

Megrez/src/4_SpanUnit.cs

@@ -83,6 +83,26 @@ public override bool Equals(object obj) {
       /// <param name="length">給定的幅位長度。</param>
       /// <returns>查詢結果。</returns>
       public Node? NodeOf(int length) => Nodes.ContainsKey(length) ? Nodes[length] : null;
+
+      /// <summary>
+      /// 
+      /// </summary>
+      /// <param name="left"></param>
+      /// <param name="right"></param>
+      /// <returns></returns>
+      public static bool operator ==(SpanUnit left, SpanUnit right) {
+        return left.Equals(right);
+      }
+
+      /// <summary>
+      /// 
+      /// </summary>
+      /// <param name="left"></param>
+      /// <param name="right"></param>
+      /// <returns></returns>
+      public static bool operator !=(SpanUnit left, SpanUnit right) {
+        return !(left == right);
+      }
     }
 
     // MARK: - Internal Implementations.