Re: Documenting Lua gotchas for newbies.

[Enrico Colombini <erix@...>]

On 03/12/2010 15.43, Roberto Ierusalimschy wrote:
> Maybe; it could be 3 too. It is impossible to know whether you are
> erasing element t[3] or simply changing its value to nil ;) After all,
> the whole point is to allow nils into arrays. (With no nils, the
> current # works fine.)

I find it really hard to understand this need to have arrays behave as 
non-arrays, especially when it's easy to make a "holed array with 
non-nil counter" (assuming it could somehow be useful) using newindex.

--
  Enrico