public static NonEmptyLazyList <A> Cons <A>(this A head, NonEmptyLazyList <A> nel)
{
return(new NonEmptyLazyList <A>(head, nel.PureMaybe));
}
public static Pair <A, IEnumerable <A> > HeadTail <A>(this NonEmptyLazyList <A> list)
{
return(Pair.Create(list.Head, list.Tail.Map(l => l.Enumerable()).ValueOr(Enumerable.Empty <A>)));
}
public Validation(NonEmptyLazyList <X> failures)
{
successValue = default(A);
failuresValue = failures;
isSuccess = false;
}
public Validation(A successValue)
{
this.successValue = successValue;
failuresValue = null;
isSuccess = true;
}
public NonEmptyLazyList <A> Op(NonEmptyLazyList <A> t1, NonEmptyLazyList <A> t2)
{
return(new NonEmptyLazyList <A>(
t1.Head,
() => Jib.Maybe.Just(t1.Tail.Cata(() => t2, nel => Op(nel, t2)))));
}
public static Validation <X, A> Failure <X, A>(NonEmptyLazyList <X> failures)
{
return(new Validation <X, A>(failures));
}
public static Validation <X, A> Failure <X, A>(X failureValue)
{
return(new Validation <X, A>(NonEmptyLazyList.Single(failureValue)));
}