public static void Run()
{
//Tuple<IMoney, Amount> toopie = Add(new Cash(0, Currency.USD), new Amount(0, Currency.USD), DateTime.Now).ToTuple();
//ValueTuple<IMoney, Amount> toopie2 = Add(new Cash(0, Currency.USD), new Amount(0, Currency.USD), DateTime.Now);
//PrintPrices(
// new Product("Steering wheel",
// new Amount(20, new Currency("USD"))),
// 1, 10);
Product product =
new Product("Steering wheel",
new Amount(20, Currency.USD));
Func <Product, Amount, Amount> priceCalculator =
(prod, price) => prod.CalculateTax(price);
Amount priceCalculator2(Product prod, Amount price) => prod.CalculateTax(price);
Amount priceCalculator3(Product prod, Amount price)
{
return(prod.CalculateTax(price));
}
PrintPrices2(10, 19,
product.TotalPriceCalculator(
(prod, price) => prod.CalculateTax(price)));
PrintPrices2(10, 19, product.TotalPriceCalculator(priceCalculator3));
void log(object messages)
{
if (messages == null)
{
Console.WriteLine("NULL");
}
Console.WriteLine(messages);
}
Func <int, int, int> scale = (factor, x) => factor * x;
Func <int, int> @double = x => scale(x, 2);
int scale2(int factor, int x) => factor * x;
int @double2(int x) => scale2(x, 2);
Action <Func <int, int> > doSomething = (Func <int, int> inputFunc) => { };
doSomething(@double);
doSomething(@double2);
int factor2 = 2;
int scale3(int x) => factor2 * x;
void Work(Func <int, int> scaleF)
{
int y = scaleF(5);
log(y);
}
factor2 = 3;
Work(scale3);
HashSet <int> set = new HashSet <int>();
set.Add(22);
set.Add(33);
set.Add(27);
set.Add(54);
var contains33 = set.Contains(33);
log(contains33);
Element <int>[] set2 = new Element <int> [7];
set2.Add(22);
set2.Add(33);
set2.Add(27);
set2.Add(54);
contains33 = set2.Contains(33);
log(contains33);
Currency eur = Currency.EUR;
Element <Currency>[] set3 = new Element <Currency> [7];
set3.Add(eur);
if (set3.Contains(eur))
{
Console.WriteLine("Suspect found!");
}
else
{
Console.WriteLine("Suspect NOT found!");
}
IEnumerable <int> Evens()
{
int n = 0;
while (n < Int32.MaxValue - 2)
{
n += 2;
yield return(n);
}
}
IEnumerable <int> Evens2() => Enumerable.Range(1, Int32.MaxValue).Where(i => i % 2 == 0);
var cnt = Evens().Take(12).Count();
log(cnt);
cnt = Evens2().Take(12).Count();
log(cnt);
IEnumerable <int> Evens3() => Enumerable.Range(1, Int32.MaxValue).Select(i => 2 * i);
cnt = Evens3().Take(12).Count();
log(cnt);
List <IMoney> list = new List <IMoney>()
{
new Cash(20, Currency.USD),
new Gift(new Amount(10, Currency.EUR), new Date(2021, 11, 4))
};
IEnumerable <IMoney> sequence = list;
Reiterable <IMoney> moneys = sequence.AsReiterable();
Console.ReadLine();
}
private DefaultOperationErrorMessageResolver(Reiterable <IOperationErrorMessageSpecification> errorSpecifications)
{
ErrorSpecifications = errorSpecifications;
}