public bool Equals(Owned other)
{
    return other.Owner == Owner && Type == other.Type;
}

public override bool Equals(object obj)
{
    if (obj.GetType() != typeof(Owned)) return false;
    return Equals((Owned)obj);
}

public static bool operator ==(Owned x, Owned y)
{
    return x.Equals(y);
}

public static bool operator !=(Owned x, Owned y)
{
    return !x.Equals(y);
}

public override int GetHashCode()
{
    unchecked
    {
        return (Owner*397) ^ Type.GetHashCode();
    }
}