Catamaran/BoatCompareByColor.cs

@@ -6,7 +6,13 @@ using System.Threading.Tasks;
 
 namespace Catamaran
 {
-    internal class BoatCompareByColor
+    internal class BoatCompareByColor : IComparer<IDrawingObject>
+
     {
+        public int Compare(IDrawingObject x, IDrawingObject y)
+        {
+            // TODO реализовать логику сравнения
+            throw new NotImplementedException();
+        }
     }
 }