Re: Lua 5.3 `ipairs` considered perilous

[Sergey Zakharchenko <doublef.mobile@...>]

Hello Dirk,

2016-02-16 18:19 GMT+03:00 Dirk Laurie <dirk.laurie@gmail.com>:
> Example 2. Plugging holes in lists of numbers.
>     x = setmetatable({5,9,nil,6,nil,nil,3,1},
>     {__index = load"return 0/0",
>      __len=load"return 8"})
>     print(table.concat(x," "))

> However, try this:
>> for k,v in ipairs(y) do print(k,v) end
> and see what happens.

Don't the supplied __len and __index explicitly supply contradictory data?

Best regards,

-- 
DoubleF