static void NaturalSeq()
{
var naturalSeq = LazyList <Tuple <int, int> >
.Iterate(1, n => n + 1);
var natural5 = naturalSeq.ElementAt(4);
var natural10 = naturalSeq.ElementAt(9);
}
#pragma warning disable 219
static void FibonacciSeq()
{
var fibonacciFirst = Tuple.Create(new BigInteger(0), new BigInteger(1));
var fibonacciSeq = LazyList <Tuple <BigInteger, BigInteger> >
.Iterate(
fibonacciFirst,
f => Tuple.Create(f.Item2, f.Item1 + f.Item2))
.Select(pair => pair.Item1);
var fibo50 = fibonacciSeq.Take(50).Last();
var fibo1000 = fibonacciSeq.Take(1000).Last();
var fibo2000 = fibonacciSeq.Take(2000).Last();
}
public LazyListEnumerator(LazyList <T> parent)
{
_next = parent;
}
