public void FoldTest()
{
int answer = MapFilterFold.Fold(new List <int>()
{
1, 3, 8, 21, 55
}, 1, (x, y) => x + y);
Assert.AreEqual(89, answer);
}
public void FoldAnotherTest()
{
var answer = MapFilterFold.Fold(new List <int>()
{
1, 2, 3
}, "", (x, y) => string.Concat(x, y.ToString()));
Assert.AreEqual("123", answer);
}
