public override int GetHashCode()
{
unchecked // Overflow is fine, just wrap
{
int hash = (int)2166136261;
hash = (hash * 16777619) ^ CarModel?.GetHashCode() ?? 0;
hash = (hash * 16777619) ^ EngineType?.GetHashCode() ?? 0;
hash = (hash * 16777619) ^ Year.GetHashCode();
return(hash);
}
}