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- Subject: next == pairs({})?
- From: Jim Pryor <lists+lua@...>
- Date: Thu, 24 Sep 2009 16:47:45 -0400
In my lua interpreter, the first value returned by pairs({}) is not the
same function as is assigned to next. At first I thought this might be
because some library I have installed, but I see this behavior also if I
uninstall all my lua add-on packages, and also if I start lua with LUA_PATH set
to the empty string.
> return next
function: 0x1x52c600
> return (pairs({}))
function: 0x1x52c0e0
Why is that? Is one of these a wrapper around the other? Which wraps the
other and what is the wrapper doing?
>From a casual inspection of lbaselib.c in the lua sources, I can't
figure out why it's happening, either. Even the source looks like the
first return value of pairs({}) should be next.
I'm using my own build of lua on x86_64 linux, in case that matters.
--
Profjim
profjim@jimpryor.net