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Take a look at the __usedindex patch: http://lua-users.org/wiki/LuaPowerPatches

On 5/15/07, Brendan Dowling <crypt@tokidoki.net> wrote:
Hi,

I'd like to make a system for catching errors in a somewhat large Lua
project (~14,000 lines of Lua).  Specifically, I'd like to catch
reassignments of globals and entries in certain tables during the
initialization phase.  However, the __newindex meta method does not
seem to get called for reassignments, only new assignments.  This is
probably a pretty simple hack, but I didn't see it in a search of the
archives or a google search.



Thanks,

Brendan Dowling
Embedded Systems Engineer
Harman International