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On 23/02/17 10:35 AM, Roberto Ierusalimschy wrote:

I want `a.b.c.d.e`. I'm going to test for nil, and I don't care
at what level the missing index is.

[...]

PiL 4 suggests the following method:

   E = {}      -- (somewhere in your code)

   ((((a or E).b or E).c or E).d or E).e

-- Roberto



This eats `false`, instead of choking on it.

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