Исправление ошибки в сравнении для индексов

Author: EvilBeaver

src/OneScript.Core/Values/BslUndefinedValue.cs

@@ -1,7 +1,7 @@
 /*----------------------------------------------------------
-This Source Code Form is subject to the terms of the
-Mozilla Public License, v.2.0. If a copy of the MPL
-was not distributed with this file, You can obtain one
+This Source Code Form is subject to the terms of the 
+Mozilla Public License, v.2.0. If a copy of the MPL 
+was not distributed with this file, You can obtain one 
 at http://mozilla.org/MPL/2.0/.
 ----------------------------------------------------------*/
 
@@ -24,6 +24,11 @@ public override bool Equals(BslValue other)
             return ReferenceEquals(Instance, other);
         }
 
+        public override int GetHashCode()
+        {
+            return 42; // Константа для синглтона
+        }
+
         public override string ToString() => string.Empty;
     }
 }

src/OneScript.StandardLibrary/Collections/Indexes/CollectionIndexKey.cs

@@ -57,7 +57,7 @@ public override bool Equals(object obj)
                 foreach (var key in allKeys)
                 {
                     var thisValue = _values[key];
-                    var otherValue = _values[key];
+                    var otherValue = casted._values[key];
 
                     if (!thisValue.Equals(otherValue)) return false;
                 }