public void Apply_Eight()
{
Func <int, int, int, int, int, int, int, int, int> factorial =
YCombinator.Apply <int, int, int, int, int, int, int, int, int>(func => (a, b, c, d, e, f, g, h) => a == 0 ? 1 : a * func(a - b - c - d - e - f - g - h, b, c, d, e, f, g, h));
int value = -1;
value = factorial(10, 1, 0, 0, 0, 0, 0, 0);
Assert.AreEqual(3628800, value);
value = factorial(10, 0, 1, 0, 0, 0, 0, 0);
Assert.AreEqual(3628800, value);
value = factorial(10, 0, 0, 1, 0, 0, 0, 0);
Assert.AreEqual(3628800, value);
value = factorial(10, 0, 0, 0, 1, 0, 0, 0);
Assert.AreEqual(3628800, value);
value = factorial(10, 0, 0, 0, 0, 1, 0, 0);
Assert.AreEqual(3628800, value);
value = factorial(10, 0, 0, 0, 0, 0, 1, 0);
Assert.AreEqual(3628800, value);
value = factorial(10, 0, 0, 0, 0, 0, 0, 1);
Assert.AreEqual(3628800, value);
}
public void Apply_One()
{
Func <int, int> factorial = YCombinator.Apply <int, int>(f => n => n == 0 ? 1 : n * f(n - 1));
int value = factorial(10);
Assert.AreEqual(3628800, value);
}
public void Apply_Two()
{
Func <int, int, int> factorial =
YCombinator.Apply <int, int, int>(func => (a, b) => a == 0 ? 1 : a * func(a - b, b));
int value = -1;
value = factorial(10, 1);
Assert.AreEqual(3628800, value);
}
public void Apply_Four()
{
Func <int, int, int, int, int> factorial =
YCombinator.Apply <int, int, int, int, int>(func => (a, b, c, d) => a == 0 ? 1 : a * func(a - b - c - d, b, c, d));
int value = -1;
value = factorial(10, 1, 0, 0);
Assert.AreEqual(3628800, value);
value = factorial(10, 0, 1, 0);
Assert.AreEqual(3628800, value);
value = factorial(10, 0, 0, 1);
Assert.AreEqual(3628800, value);
}