internal ConsEnumerator(Cons <T> cons)
{
this.cons = cons;
this.orig = cons;
this.current = default(T);
}
public void Reset()
{
this.cons = this.orig;
this.current = default(T);
}
Cons()
{
this.first = default(T);
this.rest = null;
this.count = 0;
}