asd

NoduleConnection.cs

@@ -7,13 +7,36 @@ public class NoduleConnection
 	public Nodule A { get; set; }
 	public Nodule B { get; set; }
 
-	protected bool Equals(NoduleConnection other)
+	public override bool Equals(object obj)
 	{
-		return Equals(A, other.A) && Equals(B, other.B);
+		if (ReferenceEquals(null, obj))
+			return false;
+		if (ReferenceEquals(this, obj))
+			return true;
+
+		return obj.GetType() == GetType() && Equals((NoduleConnection)obj);
+	}
+
+	private bool Equals(NoduleConnection other)
+	{
+		return (Equals(A, other.A) && Equals(B, other.B))
+			|| (Equals(A, other.B) && Equals(B, other.A));
 	}
 
 	public override int GetHashCode()
 	{
-		return HashCode.Combine(A, B);
+		var h1 = A?.GetHashCode() ?? 0;
+		var h2 = B?.GetHashCode() ?? 0;
+		return h1 ^ h2;
 	}
-}
+
+	public static bool operator ==(NoduleConnection left, NoduleConnection right)
+	{
+		return Equals(left, right);
+	}
+
+	public static bool operator !=(NoduleConnection left, NoduleConnection right)
+	{
+		return !Equals(left, right);
+	}
+}