public void Test_2()
{
Assert.AreEqual(10, (Fold.FoldFunc(new List <int>()
{
1, 2, 3, 4
}, 0, (acc, elem) => acc + elem)));
}
public void Test_1()
{
Assert.AreEqual(6, (Fold.FoldFunc(new List <int>()
{
1, 2, 3
}, 1, (acc, elem) => acc * elem)));
}