Re: The terms "sequence", "list", etc in Lua 5.2.0 (beta-rc1)

[Xavier Wang <weasley.wx@...>]

2011/6/16 Roberto Ierusalimschy <roberto@inf.puc-rio.br>

> The following reformulation of §3.4.6, the second paragraph of §6.5,
> and the desciptions of table.insert and table.remove, is an attempt
> to be more precise.
>
> [...]

Many thanks.

-- Roberto

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?