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The implementation always returns nil if the key is nil (check luaH_get 
in ltable.c).

Fabio Mascarenhas

On Fri, May 19, 2006 at 02:06:00PM -0700, Mark Hamburg wrote:
> What is the expected behavior if one indexes a table with a nil key? I had
> thought it was to throw an exception. In fact I feel I've seen an exception
> get thrown but maybe not. Now, however, I seem to be getting back nil.
> The manual says that nil is an illegal key.
> I certainly prefer the definition that says that t[ nil ] is always equal to
> nil for any valid table. I just didn't realize that was the case.
> Mark

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