private int CalculateHash()
{
unchecked
{
var hc = Ingredients.Length;
foreach (var i in Ingredients)
{
hc = hc * 314159 + i.GetHashCode();
}
hc ^= OverridePrecedence?.GetHashCode() ?? 0;
return((Product.GetHashCode() * 397) ^ hc);
}
}
private bool Equals(ProductionRule other)
{
return(Product.Equals(other.Product) && Ingredients.SequenceEqual(other.Ingredients) &&
OverridePrecedence.Equals(other.OverridePrecedence));
}
