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Are there any tricks to insert all the keys and values of one table into
another?



function dup(tab)
     local res = {}

     if type(tab) ~= "table" then return tab end

     for k, v in tab do res[dup(k)] = dup(v) end

     return res
end

And it's kind of safe too :)


Eh... kind-of-safe as in "only returns with a stack overflow" from:

	a = {}
	a.b = a
	dup(a)

you mean? [;-)]

Ashwin.
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