Re: Applying the # operator on a table

Subject: Re: Applying the # operator on a table
From: steve donovan &lt;steve.j.donovan@ ... &gt;
Date: Mon, 8 Apr 2013 15:30:20 +0200

lua-l archive

On Mon, Apr 8, 2013 at 3:25 PM, Romeu Braz Pereira Gomes Filho <bpgomes55@gmail.com> wrote:

Is this an expected result or a bug?

It is expected; tables-with-holes (those containing nils) are not guaranteed to work properly with #

Different versions of Lua will in fact give different results, some of them 'correct'. This is undefined behaviour

References:
- Applying the # operator on a table, Romeu Braz Pereira Gomes Filho