Re: Metatables are "hard" (Re: Question about __index and classes)
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- Subject: Re: Metatables are "hard" (Re: Question about __index and classes)
- From: Luiz Henrique de Figueiredo <lhf@...>
- Date: 2011年9月10日 16:19:26 -0300
> To make matters more confusing for the new-to-Lua programmer, people often implement methods using the __index entry in metatables, possibly going so far as to make __index point at the metatable itself (a horrendous semantic security hole if one worries about such things).
That's what I do. Why is it so bad?