static void Main(string[] args)
{
Console.WriteLine(
Recursive.Func <int, int>(factorial =>
x => x == 0 ? 1 : factorial(x - 1) * x
)
(10)
);
Console.WriteLine(
Recursive.Func <int, int, int>(gcd =>
(x, y) =>
x == 0 ? y:
y == 0 ? x:
x > y ? gcd(x % y, y):
gcd(y % x, x)
)
(35, 21)
);
}