Re: The terms "sequence", "list", etc in Lua 5.2.0 (beta-rc1)
[
Date Prev][
Date Next][
Thread Prev][
Thread Next]
[
Date Index]
[
Thread Index]
- Subject: Re: The terms "sequence", "list", etc in Lua 5.2.0 (beta-rc1)
- From: David Kastrup <dak@...>
- Date: 2011年6月16日 08:00:03 +0200
Xavier Wang <weasley.wx@gmail.com> writes:
> The length of a table t is only defined if the table is a sequence,
> that is, all its numeric keys comprise the set {1..n} for some
> integer n.
>
> is that mean, a empty table ({}) has no length defined?
Huh? All its numeric keys satisfy any imaginable predicate, including
impossible ones.
--
David Kastrup