Re: Three dubious ways to handle deep indexing
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- Subject: Re: Three dubious ways to handle deep indexing
- From: "Soni L." <fakedme@...>
- Date: 2017年2月23日 10:41:43 -0300
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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