private static void Skip(ref IEnumerableContext <T> context, out Option <T> next)
{
context.bd.DetectBacktrack();
if (context.enumerator.MoveNext())
{
next = new Option <T>(context.enumerator.Current);
}
else
{
next = new Option <T>();
context.bd.Release();
context.enumerator.Dispose();
}
}
private static void Dispose(ref IEnumerableContext <T> context, out Option <T> next)
{
next = new Option <T>();
context.bd.Release();
context.enumerator.Dispose();
}
private static void Remove(ref IEnumerableContext <T> context, out Option <T> next)
{
throw new NotSupportedException();
}