Re: [PATCH] setmetatable({}) causes error
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- Subject: Re: [PATCH] setmetatable({}) causes error
- From: "Pierre Chapuis" <catwell@...>
- Date: 2017年7月13日 14:44:27 +0000
July 13, 2017 3:16 PM, "Luiz Henrique de Figueiredo" <lhf@tecgraf.puc-rio.br> wrote:
>> There are exactly zero other scenarios in Lua where f(nil) produces different
>> behavior than f().
>
> Try assert(), getmetatable(), ipairs(), pcall(), tonumber(), tostring(), type().
And of course:
> select('#', nil, nil, nil)
3
It's a feature, not a bug.
--
Pierre Chapuis