public void ComposeMultipleUnaryFunctions()
{
Func <int, int> add1 = x => x + 1;
Func <int, int> times2 = x => x * 2;
Func <int, int> square = x => x * x;
Func <int, int> subtract10 = x => x - 10;
Func <int, int> expectedComposed = x => (((x - 10) * (x - 10)) * 2) + 1;
Func <int, int> composed = Fn.Compose(add1, times2, square, subtract10);
Assert.That(composed(12), Is.EqualTo(expectedComposed(12)));
Assert.That(composed(12), Is.EqualTo(9));
}
