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- Subject: Re: Why are these functions not equal?
- From: Peter Melnichenko <petjamelnik@...>
- Date: Sat, 29 Mar 2014 11:47:06 +0400
> Answer: Their upvalues differ. The function stored in y has x as an
upvalue; the function stored in x does not.
Both of these functions have one upvalue: _ENV.
(Sorry for an empty letter)