public override Seq <A> Skip(int count)
{
if (count == 0)
{
return(this);
}
if (count == 1)
{
return(Tail);
}
Seq <A> current = this;
while (!current.IsEmpty)
{
if (current.IsTerminator && !ReferenceEquals(current, this))
{
return(current.Skip(count));
}
current = current.Tail;
count--;
if (count == 0)
{
return(current);
}
}
return(Empty);
}
public ISeqInternal <A> Cons(A value)
{
var head = ms.Head.Cons(value);
return(new SeqConcat <A>(head.Cons(ms.Skip(1))));
}
public static Seq <T> append <T>(Seq <T> x, Seq <Seq <T> > xs) =>
headOrNone(xs).IsNone
? x
: append(x, append(xs.Head, xs.Skip(1)));
