Re: How to check for key existence in a table (for the lazy programmer) ?

[Luiz Henrique de Figueiredo <lhf@...>]

> 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.