public static int find_serves(serves serves)
{
for (int i = 0; i < serveses.Count; i++)
{
if (serves.is_compare(serveses[i]))
{
return(i);
}
}
return(-1);
}
public static bool add_serveses(serves serves)
{
int customer_index = find_serves(serves);
if (customer_index != -1)
{
return(false);
}
serveses.Add(serves);
return(true);
}