public void FoldR1()
{
var list = FList.New(1, 2, 4, 8, 16);
int actual = FList.FoldR((agg, input) => agg + input, 0, list);
Assert.AreEqual(31, actual);
}
public void FoldR1String()
{
var list = "abcde";
int actual = FList.FoldR((agg, input) => agg + Convert.ToInt32(input), 0, list);
Assert.AreEqual(495, actual);
}
public void FoldR4()
{
var list = FList.New(1, 2, 4, 8, 16);
int actual = FList.FoldR((agg, input) => agg / input, 1, list);
Assert.AreEqual(4, actual);
}
public void FoldR5()
{
var list = FList.New <int>(1, 2, 4, 8, 16);
string actual = FList.FoldR <int, string>((input, agg) => agg + input.ToString(), "", list);
Assert.AreEqual("124816", actual);
}