public void MapTest()
{
int[] array = HandfulOfFunctions.Map(list, x => x * 2).ToArray();
Assert.AreEqual(2, array[0]);
Assert.AreEqual(4, array[1]);
Assert.AreEqual(6, array[2]);
}
public void FoldTest()
{
int res = HandfulOfFunctions.Fold(list, 1, (acc, elem) => acc * elem);
Assert.AreEqual(6, res);
}
public void FilterTest()
{
int[] array = HandfulOfFunctions.Filter(list, x => x % 2 == 0).ToArray();
Assert.AreEqual(2, array[0]);
}
