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- Subject: Re: How to check for key existence in a table (for the lazy programmer) ?
- From: Luiz Henrique de Figueiredo <lhf@...>
- Date: Sat, 31 Jan 2015 12:57:37 -0200
> This can easily be done by configuring Lua with the C API (supposing that you have access to the C code integrating Lua in your environment).
> The idea here is to add a metatable to the nil value, so that `nil[anIndex]` returns nil.
You can use debug.setmetatable(nil, ...) in Lua if you have access to debug.